Items where Author is "Ramakrishna Reddy, Kotte"

Article

Nwankwo, Stephen, Campbell, Stephen, Ramakrishna Reddy, Kotte, Beattie, Neil, Barrioz, Vincent and Zoppi, Guillaume (2018) Temperature controlled properties of sub-micron thin SnS films. Semiconductor Science and Technology, 33. 065002. ISSN 0268-1242

Reddy, Vasudeva Reddy Minnam, Gedi, Sreedevi, Pejjai, Babu, Ramakrishna Reddy, Kotte, Zoppi, Guillaume and Park, Chinho (2016) Influence of Different Substrates on the Properties of Sulfurized SnS Films. Science of Advanced Materials, 8 (1). pp. 247-251. ISSN 1947-2935

Reddy, Vasudeva Reddy Minnam, Sreedevi, Gedi, Chinho, Park, Miles, Robert and Ramakrishna Reddy, Kotte (2015) Development of sulphurized SnS thin film solar cells. Current Applied Physics, 15 (5). pp. 588-598. ISSN 1567-1739

Nwofe, Patrick, Miles, Robert and Ramakrishna Reddy, Kotte (2013) Effects of sulphur and air annealing on the properties of thermally evaporated SnS layers for application in thin film solar cell devices. Journal of Renewable and Sustainable Energy, 5 (1). 011204-011211. ISSN 1941-7012

Ramakrishna Reddy, Kotte, Nwofe, Patrick and Miles, Robert (2013) Determination of the minority carrier diffusion length of SnS using electro-optical measurements. Electronic Materials Letters, 9 (3). pp. 363-366. ISSN 1738-8090

Nwofe, Patrick, Ramakrishna Reddy, Kotte, Tan, Kian, Forbes, Ian and Miles, Robert (2013) On the structural and optical properties of SnS films grown by thermal evaporation method. Journal of Physics: Conference Series, 417. 012039. ISSN 1742-6596

Reddy, Vasudeva Reddy Minnam, Babu, P., Ramakrishna Reddy, Kotte and Miles, Robert (2013) X-ray photoelectron spectroscopy and X-ray diffraction studies on tin sulfide films grown by sulfurization process. Journal of Renewable and Sustainable Energy, 5 (3). 031613. ISSN 19417012

Ramakrishna Reddy, Kotte, Sreedevi, Gedi, Ramya, Kottadi and Miles, Robert (2012) Physical properties of Nano-crystalline SnS2 layers grown by chemical bath deposition. Energy Procedia, 15. pp. 340-346. ISSN 1876-6102

Nagamani, K., Reddy, Vasudeva Reddy Minnam, Lingappa, Yekula, Ramakrishna Reddy, Kotte and Miles, Robert (2012) Physical properties of ZnxCd1-xS nanocrystalline layers synthesized by solution growth method. International Journal of Optoelectronic Engineering, 2 (2). pp. 1-4. ISSN 2167-7301

Nagamani, K., Prathap, Pathi, Lingappa, Yekula, Miles, Robert and Ramakrishna Reddy, Kotte (2012) Properties of Al-doped ZnS films grown by chemical bath deposition. Physics Procedia, 25. pp. 137-142. ISSN 1875-3892

Nwofe, Patrick, Ramakrishna Reddy, Kotte, Sreedevi, Gedi, Tan, Kian, Forbes, Ian and Miles, Robert (2012) Single phase, large grain p-conductivity-type SnS layers produced using the thermal evaporation method. Energy Procedia, 15. pp. 354-360. ISSN 1876-6102

Nwofe, Patrick, Ramakrishna Reddy, Kotte, Sreedevi, Gedi, Tan, Kian and Miles, Robert (2012) Structural, optical, and electro-optical properties of thermally evaporated tin sulphide layers. Japanese Journal of Applied Physics, 51. 10NC36-10NC40. ISSN 0021-4922

Nwofe, Patrick, Ramakrishna Reddy, Kotte, Tan, Kian, Forbes, Ian and Miles, Robert (2012) Thickness dependent optical properties of thermally evaporated SnS Thin Films. Physics Procedia, 25. pp. 150-157. ISSN 1875-3892

Leach, Mark, Ramakrishna Reddy, Kotte, Reddy, Vasudeva Reddy Minnam, Tan, John, Jang, Dongyoung and Miles, Robert (2012) Tin sulphide thin films synthesised using a two step process. Energy Procedia, 15. pp. 371-378. ISSN 1876-6102

Ogah, Ogah E., Ramakrishna Reddy, Kotte, Zoppi, Guillaume, Forbes, Ian and Miles, Robert (2011) Annealing studies and electrical properties of SnS-based solar cells. Thin Solid Films, 519 (21). pp. 7425-7428. ISSN 0040-6090

Ramakrishna Reddy, Kotte, Reddy, Vasudeva Reddy Minnam, Leach, Mark, Tan, Kian, Jang, Dongyoung and Miles, Robert (2011) Crystalline behaviour of SnS layers produced by sulfurization of Sn films using H2S. AIP conference proceedings, 1447. pp. 709-710. ISSN 0094-243X

Babu, P., Ramakrishna Reddy, Kotte and Miles, Robert (2011) Precursor concentration effect on the properties of ZnInSE4 layers grown by chemical bath deposition. Energy Procedia, 10. pp. 177-181. ISSN 1876-6102

Revathi, Naidu, Prathap, Pathi, Miles, Robert and Ramakrishna Reddy, Kotte (2010) Annealing effect on the physical properties of evaporated In2S3 films. Solar Energy Materials & Solar Cells, 94 (9). pp. 1487-1491. ISSN 0927-0248

Prathap, Pathi, Suryanarayana Reddy, A., Ramachandra Reddy, G., Miles, Robert and Ramakrishna Reddy, Kotte (2010) Characterization of novel sprayed Zn1−xMgxO films for photovoltaic application. Solar Energy Materials and Solar Cells, 94 (9). pp. 1434-1436. ISSN 0927-0248

Prathap, Pathi, Revathi, Naidu, Subbaiah, Yerva, Ramakrishna Reddy, Kotte and Miles, Robert (2009) Preparation and characterization of transparent conducting ZnS:Al films. Solid State Sciences, 11 (1). pp. 224-232. ISSN 1293-2558

Ramakrishna Reddy, Kotte, Prathap, Pathi, Revathi, Naidu, Reddy, A. S. N. and Miles, Robert (2009) Mg-composition induced effects on the physical behavior of sprayed Zn1-xMgxO films. Thin Solid Films, 518 (4). pp. 1275-1278. ISSN 0040-6090

Prathap, Pathi, Revathi, Naidu, Ramakrishna Reddy, Kotte and Miles, Robert (2009) Thickness dependence of structure and optoelectronic properties of In2O3:Mo films prepared by spray pyrolysis. Thin Solid Films, 518 (4). pp. 1271-1274. ISSN 0040-6090

Venkata Subbaiah, Yerva, Prathap, Pathi, Ramakrishna Reddy, Kotte, Miles, Robert and Yi, J. (2008) Studies on ZnS0.5Se0.5 buffer based thin film solar cells. Thin Solid Films, 516 (30). pp. 7060-7064. ISSN 0040-6090

Prathap, Pathi, Venkata Subbaiah, Yerva, Ramakrishna Reddy, Kotte and Miles, Robert (2007) Influence of growth rate on microstructure and optoelectronic behaviour of ZnS films. Journal of Physics D: Applied Physics, 40 (17). pp. 5275-5282. ISSN 0022-3727

Ramakrishna Reddy, Kotte, Miles, Robert and Koteswara Reddy, N. (2006) Photovoltaic properties of SnS based solar cells. Solar Energy Materials and Solar Cells, 90 (18-19). pp. 3041-3046. ISSN 0927-0248

Forbes, Ian, Johnston, David, Miles, Robert, Ramakrishna Reddy, Kotte, Lane, David, Rogers, Keith and Chapman, A. (2003) R.F. sputtering of high quality Cu/In precursor layers and conversion of CuInS2 using elemental sulfidisation processes. Journal of Materials Science: Materials in Electronics, 14 (9). pp. 567-571. ISSN 0957-4522

Ramakrishna Reddy, Kotte and Miles, Robert (2003) Surface characterization of sprayed CuGaxIn1-xSe2 layers. Journal of Materials Science: Materials in Electronics, 14 (9). pp. 529-532. ISSN 0957-4522

Ramakrishna Reddy, Kotte, Forbes, Ian, Reddy, T. B. S., Subbaiah, Yerva, Johnston, David and Miles, Robert (2003) Pyrolytic spray deposition of ZnSxSe1-x layers for photovoltaic applications. Thin Solid Films, 431-2. pp. 340-343. ISSN 0040-6090

Ramakrishna Reddy, Kotte, Shanthini, G. M., Johnston, David and Miles, Robert (2003) Highly transparent and conducting CdO films grown by chemical spray pyrolysis. Thin Solid Films, 427 (1-2). pp. 397-400. ISSN 0040-6090

Ramakrishna Reddy, Kotte, Miles, Robert, Forbes, Ian and Reddy, T. B. S. (2002) Highly orientated and conducting ZnO:Ga layers grown by chemical spray pyrolysis. Surface and Coatings Technology. pp. 110-113. ISSN 0257-8972

Johnston, David, Carletto, M. H., Ramakrishna Reddy, Kotte, Forbes, Ian and Miles, Robert (2002) Chemical bath deposition of zinc sulfide based buffer layers using low toxicity materials. Thin Solid Films, 403-4. pp. 102-106. ISSN 0040-6090

Ramakrishna Reddy, Kotte, Purandar Reddy, P., Datta, Psantu and Miles, Robert (2002) Formation of polycrystalline SnS layers by a two-step process. Thin Solid Films, 403-4 (1). pp. 116-119. ISSN 0040-6090

Ramakrishna Reddy, Kotte, Purandar Reddy, P., Miles, Robert and Datta, Psantu (2001) Investigations on SnS films deposited by spray pyrolysis. Optical Materials, 17 (1-2). pp. 295-298. ISSN 0925 3467

Johnston, David, Forbes, Ian, Miles, Robert and Ramakrishna Reddy, Kotte (2001) Chemical bath deposition of zinc sulphide using sodium citrate as a complementary complexing agent. Journal of Materials Science Letters, 20 (10). pp. 921-923. ISSN 0261-8028

Ramakrishna Reddy, Kotte, Chalapathy, R. B. V., Slifkin, Michael, Weiss, A. W. and Miles, Robert (2001) Photoacoustic spectroscopy of sprayed CuGaxIn1−xSe2 thin films. Thin Solid Films, 387 (1-2). pp. 205-207. ISSN 0040-6090

Ramakrishna Reddy, Kotte, Forbes, Ian and Miles, Robert (2001) Investigations on the sulphur incorporation in sputtered Cu, In multilayer precursors. Applied Surface Science, 169. pp. 387-391. ISSN 0169-4332

Ramakrishna Reddy, Kotte, Gopalaswarmy, H., Reddy, P. J. and Miles, Robert (2000) Effect of gallium incorporation on the physical properties of ZnO films grown by spray pyrolysis. Journal of Crystal Growth, 210 (4). pp. 516-520. ISSN 0022-0248

Miles, Robert, Ramakrishna Reddy, Kotte and Forbes, Ian (1999) Formation of polycrystalline thin films of CuInS2 by a two step process. Journal of Crystal Growth, 198 (1). pp. 316-320. ISSN 0022-0248

Ramakrishna Reddy, Kotte, Forbes, Ian, Miles, Robert, Carter, M. J. and Dutta, Partha (1998) Growth of high-quality CuInSe2 films by selenising sputtered Cu–In bilayers using a closed graphite box. Materials Letters, 37 (1-2). pp. 57-62. ISSN 0167-577X

Ramakrishna Reddy, Kotte, Sravani, C. and Miles, Robert (1998) Characterisation of CdO thin films deposited by activated reactive evaporation. Journal of Crystal Growth, 184-5. pp. 1031-1034. ISSN 0022 0248

Ramakrishna Reddy, Kotte and Miles, Robert (1998) Growth and characterization of sprayed ZnO: Ga thin films. Journal of Materials Science Letters, 17 (4). pp. 279-281. ISSN 0261-8028

Book Section

Nwofe, Patrick, Ramakrishna Reddy, Kotte and Miles, Robert (2013) Influence of deposition time on the properties of highly-oriented SnS thin films prepared using the thermal evaporation method. In: Progress in Materials and Processes. Advanced Materials Research, 602 . Trans Tech Publications, Durnten-Zurich, Switzerland, pp. 1409-1412. ISBN 9783037855430

Ramakrishna Reddy, Kotte, Prathap, Pathi and Miles, Robert (2010) Thin Films of Tin Sulphide for Application in Photovoltaic Solar Cells. In: Photovoltaics: Developments, Applications and Impact. Energy Science, Engineering and Technology . Nova Science Publishers, New York, pp. 37-62. ISBN 978-1608760220

Miles, Robert, Zoppi, Guillaume, Ramakrishna Reddy, Kotte and Forbes, Ian (2010) Thin film solar cells based on the use of polycrystalline thin film materials. In: Organic nanostructured thin film devices and coatings for clean energy. Handbook of nanostructured thin films and coatings, 3 . CRC Publications, London, pp. 1-56. ISBN 978-1420094350

Conference or Workshop Item

Nwofe, Patrick, Ramakrishna Reddy, Kotte and Miles, Robert (2013) Type conversion of p-SnS to n-SnS using a SnCl4/CH3OH heat treatment. In: 39th IEEE Photovoltaic Specialists Conference (PVSC), June 16th - 21st, 2013, Tampa, Florida.

Nwofe, Patrick, Ramakrishna Reddy, Kotte, Tan, Kian, Forbes, Ian, Leach, Mark, Jang, Dongyoung and Miles, Robert (2012) Investigating the potential of SnS for use in photovoltaic solar cell applications. In: PVSAT-8: 8th Photovoltaic Science, Applications and Technology Conference, 2-4 April 2012, Newcastle upon Tyne, UK.

Ramakrishna Reddy, Kotte, Reddy, Vasudeva Reddy Minnam, Miles, Robert, Leach, Mark, Tan, John and Jang, Dongyoung (2011) CBD ZnIn2Se4 AS buffer layer for CuInGaSe2 thin film solar cells. In: Department of Atomic Energy - Solid State Physics Symposium, 19-23 December, SRM University, Tamilnadu, India.

Nagamani, K., Revathi, Naidu, Lingappa, Yekula, Ramakrishna Reddy, Kotte and Miles, Robert (2011) Structural properties of Sn-doped in2S3 layers grown by chemical bath deposition. In: Department of Atomic Energy - Solid State Physics Symposium, 19-23 December, SRM University, Tamilnadu, India.

Nwofe, Patrick, Ramakrishna Reddy, Kotte, Sreedevi, Gedi, Tan, John, Forbes, Ian and Miles, Robert (2011) Structural, optical and electro-optical properties of thermally evaporated SnS layers. In: 21st Photovoltaic Science and Engineering Conference, 28 November - 2 December 2011, Fukuoka, Japan.

Nwofe, Patrick, Ramakrishna Reddy, Kotte, Ramya, Kottadi, Tan, Kian, Zoppi, Guillaume, Forbes, Ian and Miles, Robert (2011) Determination of the minority carrier diffusion length of SnS using electro-optical measurements. In: European Materials Research Society Conference, 9-13 May 2011, Nice, France.

Ogah, Ogah E., Zoppi, Guillaume, Forbes, Ian, Ramakrishna Reddy, Kotte and Miles, Robert (2009) Characterisation of annealed tin sulphide films for photovoltaic cells. In: 5th Photovoltaic Science Applications and Technology (PVSAT-5), 1-3 April 2009, Glyndŵr University, Wrexham, UK.

Ramakrishna Reddy, Kotte, Prathap, Pathi and Miles, Robert (2009) Surface characterisation of spray deposited In2O3: MO films. In: 17th Interdisciplinary Surface Science Conference (ISSC 2009), 30 March - 2 April 2009, University of Reading, Berkshire.

Ramakrishna Reddy, Kotte, Reddy, T. B. S., Forbes, Ian and Miles, Robert (2002) Synthesis of polycrystalline ZnS/sub 0.5/Se/sub 0.5/ layers by chemical spray deposition process. In: 29th IEEE Photovoltaic Specialists Conference, 19-24 May 2002, New Orleans, USA.

Johnston, David, Hynes, Kathleen, Forbes, Ian, Ramakrishna Reddy, Kotte and Miles, Robert (2001) Chemical bath deposition of zinc sulphide using materials with minimal environmental impact. In: 17th European Photovoltaic Solar Energy Conference, 22-26 October 2001, Munich, Germany.

Miles, Robert, Hynes, Kathleen, Forbes, Ian, Armstrong, Stephen, Johnston, David, Ramakrishna Reddy, Kotte, Pearsall, Nicola and Datta, Psantu (2001) Development of materials for applications in thin film solar cell devices. In: 15th Frontier Science Research, 11-15 March 2001, San Diego.

Miles, Robert, Ramakrishna Reddy, Kotte and Forbes, Ian (1998) Synthesis of CuInS2 from magnetron sputtered Cu / In bilayers for use in thin film solar cells. In: 2nd world Conference and Exhibition on Photovoltaic Solar Energy Conversion, 6-10 July 1998, Vienna, Austria.