Prof.P.Sreedhara Reddy joined in the University service in 1992. He is an innovative leader with significant managerial experience including a strong record as an active teacher, mentor and researcher. He handled ten research projects and published many research papers in high impact factor journals. Twenty-four students received doctoral degrees under his supervision. He is the recipient of UGC Mid-career award and Fellow, A.P. Akademi of Sciences. He has vast administrative experience and served many positions in the University including Registrar, Director, Directorate of Admissions, Placement officer. He is the instrumental in developing computer laboratory in the Department to train the students. He indigenously developed various thin film and nanomaterial deposition techniques at the laboratory level.
General Publications
Research Publications:
- Characterization of sprayed antimony doped tin oxide films, Sreedhara Reddy, P.; Uthanna, S Reddy, P.J. J.Vac.Sci.Technol.A, 1987, 8, 1688. (Imfact factor: 2.322)
- Characterization of indium doped zinc oxide films, Sreedhara Reddy, P.; Uthanna, S Reddy, P.J. Bulletin of Indian Vacuum Society, 1987, 18, 34.
- Optical properties of spray deposited ZnO films, Sreedhara Reddy, P.; Chetty, G.R.; Uthanna, S.; Naidu, B.S.; Reddy, P.J. Solid State Communications, 1991, 77, 899. (Impact factor: 1.897)
- Characterization of thin film ZnCdS/CdTe solar cells, Hussain, O.Md.; Sreedhara Reddy, P.; Uthanna, S.; Naidu, B.S.; Reddy, P.J. Semiconductor Science & Technology, 1991, 6, 690. (Impact factor: 2.190)
- Optical absorption studies on p-CuGa25 In0.75 Se2 thin films, Aparna, Y.; Sreedhara Reddy, P.; Naidu, B.S.; Reddy, P.J. Phys. Stat.Solidi (a), 1991, 135, K39. (Impact factor: 1.610)
- Characterization of CuGa5In0.5Se2 thin films, Aparna, Y.; Sreedhara Reddy, P.; Naidu, B.S.; Reddy, P.J. Materials Letters, 1991, 11, 273. (Impact factor: 2.489)
- Investigations on CuGa5In0.5Se2 thin films, Aparna, Y.; Sreedhara Reddy, P.; Naidu, B.S.; Reddy, P.J. J. Materials Science Letters, 1991, 10, 1258. (Impact factor: 2.371)
- Optical absorption studies on p- CuGa5In0.5Se2 thin films, Aparna, Y.; Sreedhara Reddy, P.; Naidu, B.S.; Reddy, P.J. Physica Scripta, 1991, 44, 310. (Impact factor: 1.126)
- Characterization of thin films ZnCdS/CdTe solar cells, Hussain, O.Md.; Sreedhara Reddy, P.; Uthanna, S.; Naidu, B.S.; Reddy, P.J. Engineering Optics, 1991, 447, 1.
- Structural, electrical and optical properties of CuGa75In0.25Se2 thin films, Aparna, Y.; Sreedhara Reddy, P.; Naidu, B.S.; Reddy, P.J. Semiconductor Science & Technology, 1991, 6, 1147. (Impact factor: 2.190)
- Electrical transport properties of zinc oxide films deposited by chemical spray method, Sreedhara Reddy, P.; Chetty, G.R.; Uthanna, S.; Naidu, B.S.; Reddy, P.J. Material Letters, 1991, 11, 142. (Impact factor: 2.489)
- Characterization of thin film n-CdS/p- CuGa5In0.5Se2 hetrojunctions, Aparna, Y.; Hussain, O.Md.; Sreedhara Reddy, P.; Naidu, B.S.; Reddy, P.J. Vaccum, 1991, 41, 1117. (Impact factor: 1.858)
- Characterization of thin film CuGa5In0.5Se2 hetrojunctions, Aparna, Y.; Hussain, O.Md.; Sreedhara Reddy, P.; Naidu, B.S.; Reddy, P.J. Thin Solid Films, 1992, 209, 104. (Impact factor: 1.759)
- Photovoltaic performance of n-CdS/p- CuGa25In0.75Se2 thin film hetrojunctions, Aparna, Y.; Sreedhara Reddy, P.; Naidu, B.S.; Reddy, P.J. J.of Material Science & Engineering B, 1992,14, 71. (Impact factor: 2.169)
- Preparation and properties of sprayed transparent conducting CdO films, Sravani, C.; Sreedhara reddy, P.; Reddy, P.J. Materials Letters, 1992, 12, 406. (Impact factor: 2.489)
- The properties of Y-Ba-Cu-O bulk and thin film high Tc superconductors, Reddy, Reddy, P.J.; Reddy, Y.P.; Reddy B.J.; Naidu, B.S.; Uthanna, S.; Sreedhara Reddy, P. Indian Journal of Physics, 1992, 66A, 1. (Impact factor: 1.380)
- Photovoltaic performance of n-CdS/p- CuGa25In0.75Se2 thin film hetrojunctions, Aparna, Y.; Sreedhara Reddy, P.; Naidu, B.S.; Reddy, P.J. Thin Solid Films, 1993, 224, 97. (Impact factor: 1.759)
- Characterization of n-CdS/p- CuGaxIn1-xSe2 thin film heterojunctions, Aparna, Y.; Sreedhara Reddy, P.; Naidu, B.S.; Reddy, P.J. Thin Solid Films, 1993, 236, 32. (Impact factor: 1.759)
- Characterization of polycrystalline thin film n-Zn35Cd0.65S/ p- CuGa0.75In0.25Se2 heterojunctions, Aparna, Y.; Sreedhara Reddy, P.; Naidu, B.S.; Reddy, P.J. Material Letters, 1993, 17, 32. (Impact factor: 2.489)
- Preparation and Characterization of sprayed CdO thin films, Sravani, C.; Reddy, K.T.R.; Sreedhara reddy, P.; Reddy, P.J. J.Materials Science Letters, 1994, 13, 1045. (Impact factor: 2.371)
- Optical absorption studies in molybdenum trioxide thin films, Sabhapathy, V.K.; Hussian, O.Md.; Reddy, K.T.R.; Sreedhara Reddy, P.; Uthanna, S.; Naidu, B.S.; Reddy, P.J. Physica Status Solid (a), 1995, 148, 167. (Impact factor: 1.610)
- Structure and optical properties of Cd1-xZnxTe thin films, Rao, K.P.; Hussian, O.Md.; Reddy, K.T.R.; Sreedhara Reddy, P.; Uthanna, S.; Naidu, B.S.; Reddy, P.J. J. of Alloys and Compounds, 1995, 218, 86. (Impact factor: 2.999)
- Characterization of two source evaporated cadmium zinc telluride thin films, Rao, K.P.; Hussian, O.Md.; Reddy, K.T.R.; Sreedhara Reddy, P.; Uthanna, S.; Naidu, B.S.; Reddy, P.J. Optical materials, 1996, 5, 63. (Impact factor: 1.981)
- Physical investigations on dc magnetron sputtered indium tin oxide films, Uthanna, S.; Sreedhara Reddy, P; Reddy, P.J. Vacuum, 1996, 47, 91. (Impact factor: 1.858)
- Effect of the deposition parameters on the structure and electrical properties of high pressure oxygen sputtered Y-Ba2-Cu3O7-x films, Radhakrishna, B.; Sreedhara Reddy, P.; Uthanna, S.; Naidu, B.S.; Reddy, P.J. Bulletin of Indian Vacuum Society, 1998, 29, 27.
- Effect of oxygen partial pressure on the optical properties of DC magnetron sputtered TiO2 films, Ravikumar, A.B.; Uthanna, S.; Naidu, B.S.; Sreedhara Reddy, P. Indian Institute of Science, 2001, 81, 573.
- Influcence of Substrate temperature on the structural and optical properties of Cu5Ag0.5InSe2 films, Rao, G.V.; Chandra, G.H.; Sreedhara Reddy, P.; Hussian, O.Md.; Reddy. K.T.R.; Uthanna S. J. Optoelectronics and Advanced Materials, 2002, 4, 387. (Impact factor: 0.429)
- Optical absorption studies on polycrystalline Cu5Ag0.5InSe2 films, Venkata Rao, G.; Hema Chandra, G.; Sreedhara Reddy, P.; Hussian, O.Md.; Reddy, K.T.R.; Uthanna, S. Vacuum, 2002, 67, 293. (Impact factor: 1.858)
- Bias voltage dependence properties of dc reactive magnetron sputtered In2O3 films. Mohan babu, P.; Radha Krishna, B.; Rao, G.V.; Sreedhara Reddy P.; Uthanna, S. J. Optoelectronics & Advanced Materials, 2004, 6, 205. (Impact factor: 0.429)
- Bias voltage dependence properties of cadmium oxide films deposited by dc reactive magnetron sputtering, Mohan babu, P.; Radha Krishna, B.; Rao, G.V.; Sreedhara Reddy, ; Uthanna, S. J. Material Science: Materials in Electronics, 2004, 15, 389. (Impact factor: 1.569)
- Influence of substrate bias voltage on the properties of magnetron sputtered Cu2O films, Sivasankar Reddy, A.; Venkata Rao, G.; Uthanna, S.; Sreedhara Reddy, P. Physica B : Condensed Matter Physics, 2005, 370, 29. (Impact factor: 1.319)
- Transparent conducting cadmium indate films deposited by bias magnetron sputtering, Mohan Babu, P.; Sivasankar Reddy, A.; Sreedhara Reddy, P.; Uthanna, S. Physics of low dimensional structures, 2006, 1, 25. (Impact factor 0.311)
- Structural, electrical and optical properties of dc magnetron sputtered cadmium indate films: Effect of substrate temperature, Mohan Babu, P.; Venkata Rao, ; Sreedhara reddy, P.; Uthanna, S. Material Letters, 2006, 60, 274. (Impact factor: 2.489)
- Structural and optical properties of dc magnetron sputtered Cu2O films, Sivasankar Reddy, A.; Venkata Rao, G.; Uthanna, S.; Sreedhara Reddy, P. Material Letters, 2006, 60, (Impact factor: 2.489)
- Effect of substrate temp. on the physical properties of dc magnetron sputtered, Cu2O films, Sivasankar Reddy, A.; Uthanna, S.; Sreedhara Reddy, P. Physics Status Solidii (a), 2006, 203, 844. (Impact factor: 1.610)
- Characterization of CuAlO2 films prepared by dc reactive magnetron sputtering, Sivasankar Reddy, ; Sreedhara Reddy, P.; Uthanna , S.; Mohan Rao, G. Journal of Materials Science: Materials in Electronics, 2006, 17, 615. (Impact factor: 1.679)
- Characterization of dc reactive magnetron sputtered cadmium indate films, Mohan Babu, P.; Venkata Rao,; Sreedhara reddy, P.; Uthanna, S. Progress Crystal Growth and Characterization of Materials, 2006, 52, 40. (Impact factor: 3.579)
- Dc magnetron sputtered Cu3N films, Subba Reddy, K.V.; Sreedhara Reddy, P.; Uthanna, S. J. Instrumental Society of India, 2006, 36, 113.
- Copper nitride films deposited by dc reactive magnetron sputtering,Subba Reddy, K.V.; Sivasankar Reddy, A.; Sreedhara Reddy, P.; Uthanna, S. J. Material Science.: Materials in Electronics, 2007, 18, 1003. (Impact factor: 1.679)
- Properties of dc magnetron sputtered Cu2O films prepared at different sputtering Pressures, Sivasankar Reddy, A.; Uthanna, S.; Sreedhara Reddy, P. Applied Surface Science, 2007, 253, 5287. (Impact factor: 2.711)
- Microstructure and Nanohardness of the Diluted Magnetic Semiconducting Cd1-xMnxS nanocrystalline films,Reddy, D.S.; Reddy, B.K.; Reddy, N.K.; Gunasekhar, K.R.; Sreedhara Reddy, P. Applied Surface Science, 253 (2007) 7318. (2.711)
- Physical properties of flash evaporated In2O3 films prepared at different substrate temperatures, , Kaleemulla, S.; Sivasankar Reddy, A.; Uthanna, S.; Sreedhara Reddy, P. Materials Letters, 2007, 61, 4309 (Impact factor 2.489)
- Structural and photoluminescence properties of thermal evaporated Cd1-xMnxS nanocrystalline films, Reddy, D.S.; Reddy, B.K.; Reddy, N.K.; Gunasekhar, K.R.; Sreedhara Reddy, P. Solid State Communications, 2007, 142, 466. (Impact factor: 1.879)
- Structural and electrical properties of resistive thermal evaporated Cd1-xMnxS nanocrystalline films. Reddy, D.S.; Reddy, B.K.; Reddy, N.K.; Gunasekhar, K.R.; Sreedhara Reddy, P. of Synthesis and Reactivity in Inorganic, Metal organic and nano Metal Chemistry, 2007, 37, 373. (Impact factor: 0.576)
- Annealing effect on physical properties of thermally evaporated MnS nanocrystalline Films, Srikantha Reddy, D.; Raga Reddy, D.; Reddy, B.K.; Mallikarjuna Reddy, A.; Gunasekhar K.R.; Sreedhara Reddy, P. of Optoelectronics and Advanced Materials, 2007, 9, 2019. (Impact factor: 0.429)
- Growth and characterization of Cu3N films deposited by dc magnetron sputtering, Subba Reddy, K.V.; Sreedhara Reddy,; Klein, A.; Venkata Rao G.; Uthanna, S. Ind. J. Phys., 2007, 81, 547. (Impact factor: 1.377)
- Structural and optical characterization of dc magnetron sputtered molybdenum oxide films, Nirupama,; Sreedhara Reddy, P. Hussain, O.Md.; Uthanna, S. Ionics, 2007, 13, 451. (Impact factor: 1.754)
- Growth and electrical characteristics of rf magnetron sputtered Ta2O5 films on Si. Jagadeesh Chandra, S. V.; Sreedhara Reddy, ; Mohan Rao, G.; Uthanna, S. Optoelectronic and Advanced Materials – Rapid Communications, 2007, 1, 496. (Impact factor: 0.429)
- Effect of post – deposition annealing on the structural, electrical and optical properties of dc mangnetron sputtered Ta2O5 films, Jagadeesh Chandra, S. V.; Sreedhara Reddy, ; Mohan Rao, G.; Uthanna, S. Research Letters in Materials Science, 2007, 1, 1. (Impact factor: 0.415).
- Nanostructured Cd1-xMnxS films for spintronics and optoelectronic device applications: Synthesis and characterization. Srikantha Reddy, D.; Reddy, B.K.; Gunasekhar K.R.; Sreedhara Reddy, P. Journal of Nanoscience and Nanotechnology, 2008, 8, (Impact factor: 1.556).
- Synthesis and optical characterization of Cd1-xMnxS nanocrystalline films, Reddy, D. S.; Reddy, B. K.; Reddy, N.K.; Gunasekhar, K.R.; Sreedhara Reddy, Journal of Optical Materials, 2008, 30, 924. (Impact factor: 1.981).
- Annealing effect on structural and electrical properties of thermally evaporated Cd1-xMnxS nanocrystalline films, Reddy, D. S.; Rao, K.N.; Gunasekhar, K.R.; Reddy, N.K.; Sivakumar K.S.; Sreedhara Reddy, Materials Research Bulletin, 2008, 43, 3245. (Impact factor: 2.288).
- Effect of sputtering power on the physical properties of dc magnetron sputtered copper oxide thin films, Sivasankar Reddy, ; Hyung-Ho Park.; Reddy, V.S.; Sarma, N.S.; Reddy, K.V.S.; Kaleemulla, S.; Uthanna, S.; Sreedhara Reddy, P. Material Chemistry and Physics, 2008, 110, 397. (Impact factor 2.259).
- Physical properties of pure In2O3 thin films, Kaleemulla, S.; Sivasankar Reddy, A.; Uthanna, S.; Sreedhara Reddy, P. Optoelectronics and Advanced Materials- Rapid Communications, 2008, 2, 782. (Impact factor 0.429)
- Strain, luminescence and electrical properties of Zn1-xMnxS nanocrystalline films prepared on silicon wafers, Reddy, D. S.; Kang, B.; Yu, S.C.; Gunasekhar, K. R.; Rao, K.N.; Sreedhara Reddy, P. Journal of Applied Physics, 2008, 104, 013532. (Impact factor 2.183)
- Electrical properties of thermal evaporated Cd1-xMnxS nanocrystalline films, Sreekantha Reddy, D.; Kumar, K.S.; Reddy, N.K.; Reddy, B.K.; Gunasekhar, K.R.; Sreedhara Reddy, P. Journal of Electrochemical Society, 2008, 155, H407. (Impact factor 3.270)
- Synthesis and characterization of Zn1-xMnxS nanostructured films prepared on glass substrates, Reddy, S.; Kang, B.; Yu, S.C.; Gunasekhar, K.R.; Rao , K.N.; Sreedhara Reddy, P. Applied Physics A, 2008, 91, 627. (Impact factor 1.740)
- Annealing effect on structural and optical properties of diluted magnetic semiconducting Zn1-xMnxS nanostructured films, Reddy, S.; Kang, B.; Yu, S.C.; Rao, K.N.; Gunasekhar, K.R.; Sreedhara Reddy, P. Journal of Solid State Science, 2008, 10, 1068. (Impact factor 1.839)
- Synthesis and characterization of diluted magnetic semiconducting Zn1-xMnxS nanostructured films, Reddy, S.; Kang, B.; Yu, S.C.; Rao, K.N.; Gunasekhar, K.R.; Sreedhara Reddy, P. Journal of Sensor Letters, 2008, 6, 294. (Impact factor 0.558)
- Structural and photoluminescence properties of Zn1-xMnxO nanoparticles for optoelectronic device applications, Sreekantha Reddy, D.; Sharma, S.K.; Reddy, Y.D.; Gunasekhar, K.R.; Sreedhara Reddy, Journal of Optoelectronics and Advanced Materials, 2008, 10, 2607. (Impact factor 0.429)
- Growth and structural properties of Zn1-xCrxTe crystals, Krishnaiah, G.; Raja Reddy, D.; Reddy B.K.; Sreedhara Reddy, P. of Crystal Growth, 2008, 310, 26. (Impact factor 1.698)
- EPR and magnetic properties of vapour phase grown Zn1−xCrxTe crystals, Krishnaiah, G.; Madhusudhana Rao, N.; Reddy, B.K.; Raja Reddy, D.; Mohan Babu, T.; Sambasivam, S.; Sreedhara Reddy, P. Physics Letters A, 2008, 372, (Impact factor 1.740)
- Synthesis and dc magnetic susceptibility of the Diluted Magnetic Semiconducting Cd1-xMnxS nanocrystalline films,Reddy, D.S.; Reddy, B.K.; Reddy, N.K.; Gunasekhar, K.R.; Sreedhara Reddy, P. Alloys & Compounds, 2008, 461, 34. (Impact factor 2.999)
- Effect of post deposition annealing on the structural and electrical properties of dc magnetron sputtered Ta2O5 films, Uthanna, S.; Jagadeesh Chandra, S.V.; Sreedhara Reddy, ; Mohan Rao, G. Journal of Physics, 2008, 114, 012035.
- Effect of substrate temperature on the physical properties of dc magnetron sputtered CuAlO2 films, Sivasankar Reddy,; Park, H.H.; Rao, G.M.; Uthanna, S.; Sreedhara Reddy, P. Journal of Alloys and Compounds, 2009, 474, 401. (Impact factor 2.999)
- Effect of the substrate temperature on the physical properties of In2O3:Mo films: prepared by an activated reactive evaporation, Kaleemulla, S.; Sivasankar Reddy, A.; Uthanna, S.; Sreedhara Reddy, P. Vacuum, 2009, 83, 970. (Impact factor 1.858)
- Physical properties of In2O3 thin films prepared at various oxygen partial pressures, Kaleemulla, S.; Sivasankar Reddy, A.; Uthanna, S.; Sreedhara Reddy, P. Journal of Alloys and Compounds, 2009, 479, 589. (Impact factor 2.999)
- Electrical and mechanical properties of diluted magnetic semiconductor Zn1-xMnxS nanocrystalline films, Reddy, S.; Kang, B.; Yu, S.C.; Gunasekhar, K.R.; Rao, K.N.; Sreedhara Reddy, P. Journal of Current Applied Physics, 2009, 9, 431. (Impact factor 2.212)
- Electrical and optical properties of In2O3:Mo thin films prepared at various Mo-doping levels, Kaleemulla, S.; Madhusudhana Rao, N.; Girish Joshi, M.; Sivasankar Reddy, A.; Uthanna, S.; Sreedhara Reddy, P. Journal of Alloys and Compounds, 2010, 504, 351. (Impact factor 2.999)
- Room temperature photoluminescence property of Mo-doped In2O3 thin films, Kaleemulla, S.; Sivasankar Reddy, A.; Uthanna, S.; Sreedhara Reddy, P. Current Applied Physics, 2010, 10, 386. (Impact factor 2.212)
- Optical and electrical properties of vapour phase grown Zn1 − xCrxTe crystals, Krishnaiah, G.; Reddy, B.K.; Madhusudhana Rao, N.; Subrahmanyam, J.; Raja Reddy, D.; Rao, J.L.; Sreedhara Reddy, P. Thin Solid Films, 2010, 518, 2599. (Impact factor 1.759)
- Preparation of stable zero valent iron nanoparticles using different chelating agents, Murad Basha, A.; Badal Kumar, M.; Mohan Kumar, K.; Siva Kumar, K.; Sreedhara Reddy, Journal of Chemical and Pharmaceutical Research, 2010, 2, 67. (Impact factor 0.35)
- Investigations on structural and optical properties of Zn1-xGdxS nanoparticles, Divya, A.; Siva Kumar, K.; Sreedhara Reddy, Applied Surface Science, 2011, 258, 839. (Impact factor 2.711)
- Structural and Optical Characterization of ZnS nanoparticles co-doped with Mn and Te, Divya, A.; Reddy, B.K.; Sambasivam, S.; Siva Kumar, K.; Sreedhara Reddy, P. Physica E: Low-dimensional Systems and Nanostructures, 2011, 44(3), 541-545. (Impact factor 2.000)
- Photoluminescence and EPR studies of ZnS nanoparticles co-doped with Mn and Te, Divya, A.; Reddy, B.K.; Sambasivam, S.; Sreedhara Reddy, P. Journal of Nano-and Electronic Physics, 2011, 3, 639.
- Synthesis and characterization of Cr doped CdS nanoparticles stabilized with polyvinylpyrrolidone, Siva Kumar, K.; Divya, A.; Sreedhara Reddy, P. Applied Surface Science, 2011, 257, 9515. (Impact factor 2.711)
- Influence of synthesis temperature on Synthesis of PVA stabilized Silver nanoparticles, Siva Kumar, K.; Divya, A.; Pavan Kumar, S.; Ajitha, B.; Chaithanya, V.S.; Jaya Prasad, K.; Sreedhara Reddy, P. Micro & Nano Letters, 2011, 6(11), 975. (Impact factor 0.853)
- Structural and optical behaviour of Ni doped CdS nanoparticles synthesized by chemical co-precipitation method, Siva Kumar, K.; Divya, A.; Sreedhara Reddy, ; Uthanna, S.; Martins, R.; Elangovan, E. Acta Physica Polonica A, 2011, 120, 6-A52. (Impact factor 0.530)
- Effect of substrate bias voltage on the physical properties of dc reactive magnetron sputtered NiO thin films,Mallikarjuna Reddy, ; Sivasankar Reddy, A.; Sreedhara Reddy, P. Materials Chemistry and Physics, 2011, 125, 434. (Impact factor 2.259)
- Growth and characterization of NiO thin films prepared by dc reactive magnetron sputtering, Mallikarjuna Reddy, ; Sivasankar Reddy, A.; Lee, K.S.; Sreedhara Reddy, P. Solid State Sciences, 2011, 13, 314. (Impact factor 1.839)
- Thickness dependent properties of nickel oxide thin films deposited by dc reactive magnetron sputtering, Mallikarjuna Reddy, A.; Sivasankar Reddy, A.; Sreedhara Reddy, P. Vacuum, 2011, 85, 949. (Impact factor 1.858)
- Effect of oxygen partial pressure on the structural, optical and electrical properties of sputtered NiO films, Mallikarjuna Reddy, ; Sivasankar Reddy, A.; Lee, K.S.; Sreedhara Reddy, P. Ceramics International, 2011, 37, 2837. (Impact factor 2.605)
- Influence of thermal annealing on structural and electrical properties of NiO thin films, Mallikarjuna Reddy, A.; Seshendra Reddy, Ch.; Sivasankar Reddy, A.; Sreedhara Reddy, P. Journal of Nano & Electronic Physics, 2011, 3, 225.
- Green synthesis of silver nanoparticles using terminalia chebula extract at room temperature and their antimicrobial studies, Mohan Kumar, K.; Sinha, M.; Mandal, B. K.; Ghosh, A. R.; Siva Kumar, K.; Sreedhara Reddy P. Spectrochemica Acta Part A: Molecular and Bimolecular Spectroscopy, 2012, 91, 228. (Impact factor 2.129)
- Synthesis of zero valent iron nanoparticles and application to removal of Arsenic (III) and Arsenic (V) from water, Mandal, B.K.; Mohan Kumar, K.; Vankayala, R.; Mukherjee, A.; Siva Kumar, K.; Sreedhara Reddy,; Hegde, M.S.; Sreedhar. B. J. Ind. Chem. Soc., 2012, 89, 1. (Impact factor 0.173)
- Target-substrate distance dependent optical and electrical properties of sputtered NiO films, Mallikarjuna Reddy, A.; Sivasankar Reddy, A.; Sreedhara Reddy, P. Advanced Materials Research, 2012, 584, 33.
- Structural, morphological and composition analysis of nanocrystalline La67Ba0.33MnO3 Powder, Seshendra Reddy, Ch.; Sivasankar Reddy, A.; Sreedhara Reddy, P. Advanced Materials Research, 2012, 584, 239.
- Comparative studies of Pb-II remedation by zero-valent iron and biomatallic Ni/Fe nanoparticles: Kumar Mandal, B.; Gokul, C.K.; Mohan Kumar, K.; Siva Kumar, K.; Sreedhara Reddy,; Sreedhar, B. Journal of the Indian Chemical Society, 2012, 89, 1447. (Impact factor: 0.173)
- Influence of sputtering pressure on the properties of NiO films prepared by dc reactive magnetron sputtering, Mallikarjuna Reddy, A.; Joo, S.K.; Sivasankar Reddy, A.; Sreedhara Reddy, P. Journal of Optoelectronics and Advanced Materials, 2012, 14, 763. (Impact factor: 0.394)
- Nickel oxide thin films grown by dc reactive magnetron sputtering at various target to substrate distances, Mallikarjuna Reddy, A.; Joo, S.K.; Byun, C.W.; Sivasankar Reddy, A.; Sreedhara Reddy, P. Optoelectronics and Advanced Materials – Rapid Communications, 2012, 6, 1041. (Impact factor: 0.394)
- Preparation and Characterization of NiO Thin Films by DC Reactive Magnetron Sputtering, Ashok Kumar Reddy, Y.; Mallikarjuna Reddy, A.; Sivasankar Reddy, A.; Sreedhara Reddy, P. Journal of Nano- and Electronic Physics, 2012, 4, 04002.
- Analysis of the effect of temperature on the resistivity of nanocrystalline La7 Ba0.3MnO3 Powders, Seshendra Reddy, Ch.; Sivasankar Reddy, A.; Sreedhara Reddy, P. Advanced Materials Research, 2013, 678, 154.
- Influence of oxygen partial pressure on the structural, optical and electrical properties of Cu-doped NiO thin films, Ashok Kumar Reddy, Y.; Sivasankar Reddy, A.; Sreedhara Reddy, P. Scr., 2013, 87, 015801. (Impact factor 1.126)
- Biobased green method to synthesise palladium and iron nanoparticles using Terminalia chebula aqueous extract Mohan Kumar, K.; Kumar Mandal, B.; Siva Kumar, K.; Sreedhara Reddy,; Sreedhar, B. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2013, 102, 128. (Impact factor 2.129)
- Synthesis and characterisation of flower shaped Zinc Oxide nanostructures and its antimicrobial activity,Mohan Kumar, K.; Kumar Mandal, B.; Appala Naidu, E.; Sinha, M.; Siva Kumar, K.; Sreedhara Reddy Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2013, 104, 171. (Impact factor 2.129)
- The Influence of Silver Precursor Concentration on Size of Silver Nanoparticles Grown by Soft Chemical Route. Ajitha, B.; Divya, A.; Harish, G.S.; Sreedhara Reddy, P. Research Journal of Physical Sciences, 2013, 1,
- Substrate temperature dependent properties of Cu dopedNiO films deposited by dc reactive magnetron sputtering. Ashok Kumar Reddy, A.; Siva Sankar Reddy, A.; Sreedhara Reddy, P. Journal of Materials Science and Technology, 2013, 29, 647. (Impact factor: 1.610).
- Structural and optical properties of CZTS nanopartciles for solar cell applications, Lydia, R.; Sreedhara Reddy, P. Journal of Nano and Electronic Physics, 2013, 5, 03018.
- Impact of pH on the Properties of Spherical Silver Nanoparticles Capped by PVA, Ajitha, B.; Divya, A.; Sreedhara Reddy, P. International Journal of Advanced Materials Manufacturing & Characterization, 2013, 3. (Impact factor 1.458)
- Effect of Cu doping on the gas sensing properties of nanocrystalline NiO thin films. Ashok Kumar Reddy, Y.; Ajitha, B.; Sivasankar Reddy, A.; Sreedhara Reddy, P. Journal of Surface and Interfaces of Materilas, 2013 1, 143.
- Effect of oxygen partial pressure on the properties of NiO-Ag composite films grown by DC reactive magnetron sputtering, Ashok Kumar Reddy, Y.; Sivasankar Reddy, A.; Sreedhara Reddy, P. Journal of Alloys and Compounds, 2014, 583, 396. (Impact factor 2.999)
- Enhancement of NH3 gas sensing properties of NiO-based thin films deposited by DC reactive magnetron sputtering, Ashok Kumar Reddy, Y.; Sivasankar Reddy, A.; Sreedhara Reddy, P. Science of Advanced Materials, 2014, 6, 178. (Impact factor 2.198)
- Influence of Growth Temperature on the Properties of DC Reactive Magnetron Sputtered NiO Thin Films, Ashok Kumar Reddy, Y.; Ajitha, B.; Sreedhara Reddy, P. International Journal of Current Engineering and Technology, 2014, 2, 351.
- Biogenic nano-scale silver particles by Tephrosiapurpurea leaf extract and their inborn antimicrobial activity. Ajitha, B.; Ashok Kumar Reddy, Y.; Sreedhara Reddy, P. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2014, 121, 164. (Impact factor 2.129).
- Oxygen partial pressure dependent properties of nanocrystalline nickel oxide films. Mallikarjuna Reddy, A.; Ashok Kumar Reddy, Y.; Seshendra Reddy, C, Siva Sankar Reddy, A.; Sreedhara Reddy, P. Advanced Nanomaterials and Nanotechnology, 2013, 143, 165.
- Synthesis of Silver Nanoparticles: Green route, Antimicrobial Efficacy, Ajitha, B.; Ashok Kumar Reddy, Y.; Sreedhara Reddy, P. International Journal of Current Engineering and Technology, 2014, 2, 306.
- Biosynthesis of Silver nanoparticles using Plectranthusamboinicus leaf extract and its antimicrobial activity, Ajitha, B.; Ashok Kumar Reddy, Y.; Sreedhara Reddy, P. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2014, 128, 257. (Impact factor 2.129)
- Influence of Synthesis Temperature on Growth of Silver Nanorods, Ajitha, B.; Ashok Kumar Reddy, Y.; Sreedhara Reddy, P. International Journal of Scientific & Engineering Research, 2014, 5, 144. (Impact factor 3.204).
- Thickness Dependence Study of Electron Beam Evaporated LBMO Manganite Thin Films for Bolometer Applications Seshendra Reddy, Ch;. Sivasankar Reddy, A.; Sreedhara Reddy, P. Journal of Electronic Materials, 2014, 43, (Impact factor 1.980)
- Influence of Substrate Temperature on the Electrical, Morphological and Structural Properties of Electron Beam Evaporated LBMO Thin Films, Seshendra Reddy, Ch.; Sivasankar Reddy, A.; Sreedhara Reddy, P. Electronic Materials Letters, 2014, 10, 159. (Impact factor 3.977)
- Synthesis and characterization of Cu doped NiO nanoparticles, Ramasubba Reddy, B.; Harish, G.S.; Seshendra Reddy Ch.; and Sreedhara Reddy, P. International Journal of Modern Engineering Research, 2014, 2, 272.
- Effect of substrate temperature on the structural, optical and electrical properties of electron beam evaporated NiO thin films, Madhavi, A.; Seshendra Reddy, Ch.; Ravindra, N.V.; Lokesh, P.; Sreedhara reddy, P. ISST Journal of Applied Physics, 2014, 5, 29.
- Effect of substrate temperature on structural, optical and electrical properties of sputtered NiO-Ag nanocrystalline thin films, Ashok Kumar Reddy, Y.; Ajitha, B.; Sreedhara Reddy, P.; Reddy, S.S.P.; and Jung-Hee Lee. Electronic Materials Letters, 2014, 10, 907. (Impact factor 3.977).
- Influence of thermal annealing on structural, morphological, optical and electrical properties of NiO-Cu composite thin films. Ashok Kumar Reddy Y.; Ajitha, B.; Sreedhara Reddy, P. Materials express, 2014, 4, 32. (Impact factor: 2.256).
- Synthesis and Characterization of Mn, Ce co-doped CdS Nanoparticles synthesized via co-precipitation method. Sreenivasulu, G.; Harish G.S.; Sreedhara Reddy, P. International Journal of Modern Engineering Research, 2014, 4, 10.
- Preparation and characterization of nickel oxide thin films by direct current reactive magnetron sputtering at different substrate temperatures. Reddy, A.M.; Byun, C.W.; Joo, S.K.; Siva Sankar Reddy, A.; Sreedhara Reddy, P. Electronic Materials Letters, 2014, 10, 887. (Impact factor: 3.977)
- Aneealing temperature properties of CZTS nanoparticles, Lydia, R.; Sreedhara Reddy, P. Journal of Nanoscience and Nanotechnology, 2014, 2, 46. (Impact factor: 1.556).
- Enhanced antimicrobial activity of silver nanoparticles with controlled particle size by pH Variation. Ajitha, B.; Ashok Kumar Reddy Y.; Sreedhara Reddy, P. Powder Technology, 2015, 260, 110. (Impact factor: 2.349)
- Investigations on LBMO thin films deposited on different substrates by electron beam evaporation. Seshendra Reddy, C.; Ashoka Reddy, A.; Sreedhara Reddy, P. Applied Nanoscience, 2015, 1, 1.
- Lantana camara leaf extract mediated silver nanoparticles: Antibacterial, green catalyst. Ajitha, B.; Reddy, Y.A.K.; Sameer, S.; Rajesh, K.M.; Suneetha Y.; and Sreedhara Reddy, P. Photochemsitry & Photobiology B: Biology, 2015,149, 84. (Impact factor: 2.960)
- Tunable near white light photoluminescence of lanthanide ion (Dy3+, Eu3+ and Tb3+) doped DNA lattices. Sreekantha Reddy, D.; Park, B.; Bramaramba, G.; Sreedhara Reddy, P.; Yoo, S.; Lee, K.W.; Lee, S.; Jun, S.C.; Kim, J.H.; Kim, C.H.; Park, S.H.; RSC Advances, 2015, 5, 55839. (Impact factor: 3.840)
- Enhanced bolometric properties of TiO22x thin films by thermal annealing. Ashok Kumar Reddy, Y.;Young B Shin. In-Ku Kang,; Hee Chul Lee,; Sreedhara Reddy P. Applied Physics Letters, 2015,107, 023503. (Impact factor: 3.302)
- Oxygen partial pressure and thermal annealing dependent properties of RF magnetron sputtered TiO2-x Ashok Kumar Reddy, Y.; In-ku Kang.; Young Shin.; Hee Chul Lee.; Sreedhara Reddy, P. Material Science in Semiconductor Processing, 2015, 32, 107. (Impact factor: 1.955)
- Bioinspired reduced graphene oxide nanosheets using Terminalia chebula seeds extract. Sireesh Babu, M.; Badal Kumar Mandal.; Raviraj Vankayal.; Poliraju, K.; Sreedhara Reddy, P. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2015, 145, 117. (Impact factor: 2.129).
- Green synthesis and characterization of silver nanoparticles using Lantana camara leaf extract, Ajitha, B.; Ashok Kumar Reddy, Y.; Sreedhara Reddy, P. Materials Science and Engineering:C, 2015, 49, 373. (Impact factor: 3.088).
- Biosynthesis of silver nanoparticles using Momordica charantia leaf broth: Evaluation of their inmate antimicrobial and catalytic activities. Ajitha, B.; Ashok Kumar Reddy, Y.; Sreedhara Reddy, P.Photochemsitry & Photobiology B: Biology, 2015,146, 1. (Impact factor: 2.960)
- Role of capping agents in controlling silver nanoparticles size, anti microbial activity and potential application as optical hydrogenparaxide sensor, B.Ajitha, Y.A.K.Reddy, Sreedhara Reddy, H.J.Jeon and Ch.W.Ahn, RSC Advances, 6 (2016) 36171 (Impact factor: 3.840)
- Instant biosynthesis of silver nanoparticles using lawsonia inermis leaf extract: Innate catalytic, antimicrobial and antioxidant activities, Ajitha, Y.A.K.Reddy, Y.Suneetha, P.Sreedhara Reddy, H.J.Jeon and Ch.W.Ahn, J. Molecular Liquids, 219 (2016) 474 (Impact factor: 6.165)
- Influence of fe-doping concentration on micro structural and magnetic properties of fe doped CdS thin films, Ashoka Reddy, P.Sreehith, Ch.S. Reddy, A.S.Reddy an P.Sreedhara Reddy, Chalcogenide letters, 13 (2016) 41. (Impact factor: 0.76)
- Role of capping agents in controlling silver nanoparticles size, anti-microbial activity and potential application as optical hydrogenparaxide sensor, Ajitha, Y.A.K.Reddy, P.Sreedhara Reddy, H.J.Jeon and Ch.W.Ahn, RSC Advances, 6, 3617, 2016 (Impact factor: 3.36)
- Instant biosynthesis of silver nanoparticles using lawsonia inermis leaf extract: Innate catalytic, antimicrobial and antioxidant activities, B.Ajitha, Y.A.K.Reddy, Y.Suneetha, Sreedhara Reddy, H.J.Jeon and Ch.W.Ahn , J. Molecular Liquids, 219, 474, 2016 (Impact factor: 6.165).
- Effect of polymer concentration, needle diameter and annealing temperature on TiO2 –PVP composite nanofibers synthesized by electrospinning technique, K.Charan, G.S.Harish and Sreedhara Reddy, Ceramic International, 44, 5266, 2018 (Impact factor: 4.527)
- Assisted green synthesis of copper nanoparticles using Syzygium aromaticum bud extract: Physical, optical and antimicrobial properties, K.M.Rajesh, B.Ajitha, Y.Ashok Kumar Reddy, Y.Suneetha and Sreedhara Reddy, Optik, 154, 593, 2018 (Impact factor: 2.187).
- Effect of annealing temperature on optical and electrical properties of electron beam evaporated NiO thin films, A Madhavi, G Harish, P Sreedhara Reddy, Inter J Sci Techno Eng, 2(11),742-747
- The effect of annealing on the structural, optical and electrical properties of Titanium Nitride (TiN) thin films prepared by DC magnetron sputtering with supported discharge, A Kavitha, R Kannan, P Sreedhara Reddy, S Rajashabala, Journal of Materials Science: Materials in Electronics, 27, 10427-10434 (Impact factor: 2.478).
- Effect of substrate bias voltage and substrate temperature on the physical properties of dc magnetron sputtered SnO2 thin films, Tekuru Prathyusha, Thotapalli Srikanth, Akepati Sivasankar Reddy, Pamanji Sreedhara Reddy, Ch Seshendra Reddy, Optik, 127, 9457-9463 (Impact factor: 2.187)
- Effect of Cu doping on electrical, photoluminescene and band gap engineering of Mg Doped ZnO nanoparticles. E Bhawani, GS Harish, P Sreedhara Reddy, J. Eng. Res, 2017, 6.
- Electron beam evaporated copper oxide thin films. V Sravanthi, T Srikanth, A Sivasankar Reddy, P Sreedhara Reddy, Ch Seshendra Reddy, IOSR J. Eng, 2018, 8, 82-87
- A facile bio-synthesis of copper nanoparticles using Cuminum cyminum seed extract: antimicrobial studies, KM Rajesh, B Ajitha, Y Ashok Kumar Reddy, Y Suneetha, P Sreedhara Reddy, Chi Won Ahn, Advances in Natural Sciences: Nanoscience and Nanotechnology, 2018, 9. (Impact factor: 2.38)
- Synthesis of Hexagonal YMnO 3 Nanoparticles by Sol-Gel Route and their Characterization. O Nirmala, Y Bhargavi, P Sreedhara Reddy, V Diwakar Reddy. Manufacturing Technology Today, 2018, 17, 32-37. (impact factor: 0.76)
- Synthesis of hexagonal YMnO3 nanocrystals, characterization and study of their dielectric properties. O Nirmala, P Sreedhara Reddy, V Diwakar Reddy, Materials Today: Proceedings, 2020, 23, 490-494. (Impact factor: 1.240)
- Electrospun TiO2 nanofiber electrodes for high performance supercapacitors, Charan Kuchi, A Lakshmi Narayana, OM Hussain, P Sreedhara Reddy, Materials Research Express, 2020, 7, 015098 (Impact factor: 1.618)
- Ag-doped WO 3 nanostructure films for organic volatile gas sensor application, G Adilakshmi, R Subba Reddy, A Sivasankar Reddy, P Sreedhara Reddy, Ch Seshendra Reddy. Journal of Materials Science: Materials in Electronics,2020, 31, 12158-12168 (Impact factor: 2.478)
- Structural, morphological, and electrical properties of YMnO3/Si and YMnO3/Y2O3/Si bilayer thin films by pulsed laser deposition. Nirmala Onteru, S Ajith Kumar, P Sreedhara Reddy, V Diwakar Reddy. AIP Conference Proceedings 2021, 2327, 020015 (Impact factor: 0.40)
- In Situ TiO2-rGO Nanocomposite for Low Concentration NO Gas Sensor. Charan Kuchi, Bodicherla Naresh, P Sreedhara Reddy, ECS Journal of Solid State Science and Technology, 2021, 10, 037008 (Impact factor: 2.070)
- Electron beam evaporated nanostructure WO3 films for gas sensor application, G Adilakshmi, A Sivasankar Reddy, P Sreedhara Reddy, Ch Seshendra Reddy. Materials Science and Engineering: B. 2021, 273, 115421 (Impact factor: 4.019)
Books
Books Published: 10
Research interest
Research areas:
- Transparent conducting oxide thin films
- Thin film solar cells
- Thin films for sensor applications
- High index materials for super capacitors
- Infrared reflector coatings
- Diluted magnetic semiconductors for
- Spintronic devices
- Nanofibers for biomedical applications
Research outcomes:
- Indigenously developed various techniques for the growth of thin film and nanomaterials
- Lead in modernization of research laboratories in the Physics department
- Significantly contributed to research quality and achieved an average impact factor of 2.1 of the publications (world average impact factor is 1.0)
- Most of the students are well placed in India and abroad. Working as scientists/engineers in various National laboratories including DRDO, ISRO, DRDL etc., faculty members in various Universities/Colleges.
- Collaborated with National/International institutions/industries in the cotemporary area of research.
Research collaboration:
- GE India Technology Centre, Bangalore
- Indian Institute of Sciences, Bangalore
- Cheng Kung National University, Korea
- University of Texas, El Paso, USA
- University of Coimbra, Portugal University
Research projects completed:
- Major research projects: 08
- Minor research projects: 02
Research guidance:
- No. of Ph.D degrees awarded: 24
- No. of Ph.D students working: 08
- No. of M.Phil degrees awarded: 14
Research publications:
- Papers published in International/National journals: 146
- Papers presented in International/National conferences: 110
Research performance indicators:
- Cumulative impact factor: 308.8
- Citations : 4301
- h index : 34
- i 10 index : 103
Research projects
Research projects completed: 10
Conference
International: 45
National: 65
Awards & Honors:
Fellow, A.P.Akademi of Sciences
UGC Mid Carrer Award
Teacher of Excellence, SVU College of Sciences
Fellowships:
National Merit Fellowship
University Merit Fellowship
Senior Research Fellowship (UGC)
Research Associateship (MNES)
Research Associateship (UGC)
Administrative experience:
Registrar, Sri Venkateswara University
Director, Directorate of Admissions
Coordinator, NAAC
Placement Officer
Coordinator, SVU College Computer Centre
Joint Director, Directorate of Admissions
Deputy Director, Directorate of Admissions
Member, Finance Committee