Dr. Y. P. Venkata Subbaiah
Assistant Professor
Qualification :
2006 Ph.D. Sri Venkateswara University, Tirupati .
PDF/Teaching experience :
- July 2007 – Present, Assistant Professor, Yogi Vemana University, Kadapa.
- 2006, MNES fellow, Sri Venkateswara University, Tirupati
- Oct 2006 – July 2007, SKK University, Korea
Area/s of research interests :
Thin film solar cells, Nano crystalline films
Thin film Physics, Solar Photovoltaic’s, Quantum nanostructures & Super lattices
Research Publications in National & International SCI Journals : 21
(For more details please visit the link below)
Research papers presented at National and International Seminar/Symposium/Workshop :
Research Focus :
Description of Research work:
Next to wafer type Si-based solar cell technology, devices based on chalcogenide thin film technologies, such as CdTe and CuInGaSe2 (CIGS) are commercially successful and economically viable. At present, the power production capacity reaches GW range using these technologies. The future scarcity of heavy metal, Cd and non-abundant elements like In, Ga and Te presents a major barrier towards meeting the multi-terawatt-scale target through current thin film photovoltaics. In this context, my group is presently focuses on the development of low cost and environmentally benign absorber materials, Cu2ZnSnS4 (CZTS), SnS, Cu2SnS3 (CTS) as possible candidates for future thin film PV applications.
Research Projects undertaken :
1. “Development of low-cost and environmentally benign absorber material for thin film heterojunction solar cells” sponsored by DST from 2010- 2013 as PI.
Achievements/Awards :
1. Jan 2010-DST Young Scientist.
2. June 2007-Selected as Marie Curie Fellow, EU.
3. Oct 2006 – May 2007, Postdoctoral Fellow, Sungkyunkwan University,Suwon South Korea.
4. Oct 2005 – Sept 2006, NRE – JRF’ by Ministry of New and Renewable Energy,Govt. of India, New Delhi, INDIA.
Research Scholars :
Mr. T. Narayana - Investigations on alternative light absorber material for heterojunction solar cells
Mr. M. Guru Bhasker - Studies on photovoltaic materials
Foreign visits :
1. Postdoctoral Fellow, Sungkyunkwan University, South Korea.
2. Experienced Researcher’ in Marie Curie Research Training Programme, UNINOVA, PORTUGAL.
3. Singapore
Membership in prestigious academic bodies :
Details of significant paper publications :
1. P. Prathap, N. Revathi, A. Suryanarayana Reddy, Y.P. Venkata Subbaiah,K.T. Ramakrishna Reddy, Synthesis of Conducting Zn1−xMgxO: Al Layers by Spray Pyrolysis for Photovoltaic Application Thin Solid Films, INPRESS
2. P. Prathap, A. Suryanarayana Reddy, N. Revathi, Y. P. Venkata Subbaiah, and K. T. Ramakrishna Reddy ,Annealing effect on the structural, opto-electronic and photoluminescence properties of sprayed Zn0.76Mg0.24O films for application in solar cells Physica Status Solidi A 207 1609 – 1613 (2010).
3.P. Prathap, A. Suryanarayana Reddy, N. Revathi, Y. P. Venkata Subbaiah and K. T. Ramakrishna Reddy Substrate temperature dependent physical properties of sprayed Zn0.76Mg0.24O films Journal of Material Science: Materials in Electronics 21 (2010) 393
4. P. Prathap, N. Revathi, Y.P.V. Subbaiah, K.T. Ramakrishna Reddy and R.W. Miles Preparation and characterization of transparent conducting ZnS:Al films Solid State Sciences, 11 (2009) 224
5. Y.P. Venkata Subbaiah, P. Prathap, K.T. Ramakrishna Reddy, R.W. Miles and J. Y Studies on ZnS0.5Se0.5 buffer based thin film solar cells Thin Solid Films 516, 7060 (2008).
6. P. Prathap, N. Revathi, Y.P. Venkata Subbaiah and K.T. Ramakrishna Reddy Thickness effect on the microstructure, morphology and optoelectronic properties of ZnS films Journal of Physics: Condensed matter 20, 035205 (2008).
7. P. Prathap, G. Gowri Devi, Y.P.V. Subbaiah, V. Ganesan, K.T. Ramakrishna Reddy and J. Yi Preparation and characterization of sprayed In2O3: Mo films Physica Status Solidi (a) 205, 1947 (2008).
8. N. Revathi, P. Prathap, Y.P.V. Subbaiah and K.T. Ramakrishna Reddy Substrate temperature dependent physical properties of In2S3 Films Journal of Physics D: Applied Physics 41, 155404 (2008).
9. A. Suryanarayana Reddy, P. Prathap, Y.P.V. Subbaiah, K.T. Ramakrishna Reddy and J. Yi Growth and physical behavior of Zn1-xMgxO films Thin Solid Films 516, 7084 (2008).
10. P. Prathap, G. Gowri Devi, Y.P.V. Subbaiah and K.T. Ramakrishna Reddy Growth and characterization of indium oxide films Current Applied Physics 8, 120 (2008).