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ASHOK KUMAR SHARMA Affiliation: Crystalline Silicon Solar Cell Group National Physical Laboratory Dr. K. S. Krishnan Road New Delhi 110012 (India) Tel: +91-9871087040, +91-11-45608379, +91-11-28745860 Email: anamics.ak@gmail.com, sharmaak@nplindia.org Date of Birth: 23 March 1982 Citizenship: India Marital Status: Married (1 startup) Language: Hindi, English Abode: SRSA-12, NPL Colony, New Rajinder Nagar, Delhi-110060

Ph.D. Physics (Silicon Solar Cells), (Expected submission; May 2011) Jamia Millia Islamia, New Delhi & National Physical Laboratory, New Delhi Thesis Title: Studies on the enhancement of optical absorption and reduction in minority carrier recombination in the silicon solar cells

M.Sc. Physics (Materials Science), July 2004 Jamia Millia Islamia, New Delhi (www.jmi.ac.in) Thesis Title: Conductivity measurement in conjugated polymer (poly-pyrrole) B.Sc. (Physics, Chemistry, Maths), July 2002 C.C.S. University, Meerut, U.P (www.ccsuniversity.org)

Research & Development

National Physical Laboratory, New Delhi (www.nplindia.org)

Research Intern (April 2005 - April 2007) Research Fellow (April 2007 - April 2008) Senior Research Fellow (April 2008 - present)

PERSONAL DETAILS

ACADEMICS

CURRICULUM VITAE

PROFESSIONAL EXPERIENCE

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Academic Training TERI University, New Delhi (www.teriuniversity.org)

Adjunct faculty – Since October 2010 Solar Photovoltaics (M.Tech. - REEM) M. B. (P.G) College, Dadri, G.B. Nagar Faculty Member, Physics Department (August 2004 – April 2005) Physics UG Classes CSIR Diamond Jubilee Research Intern Award in Physics (2005) CSIR Senior Research Fellowship in Applied Physics (2008) Method for measurement of FSRV in conventional Silicon solar cell Method for diffusion length measurement in virgin silicon wafer Application of PCG method for measurement of diffusion length and BSRV Porous silicon as ARC: growth kinetics and optical confinement studies

“Advances in Photovoltaics”, IWPSD-2005, National Physical Laboratory, New Delhi, India, December 12, 2005.

International Workshop on the Physics of Semiconductor Devices (IWPSD) National Physical Laboratory New Delhi, India, December 13 -17, 2005

International Materials Research Congress Symposium (IMRC), Cancun- Mexico, August 20-24, 2006

Materials Research Society of India Symposium (MRSI), National Physical Laboratory New Delhi- India, February 12 -14, 2007

International Conference on luminescence and its application (ICLA), National Physical Laboratory New Delhi, India, Febuary13 -16, 2008

Indo-Australian Solar Energy Workshop, Amity Institute of Renewable and Alternative Energy, Amity University, Noida, February 9-10, 2010

International Materials Research Congress Symposium (IMRC), Cancun- Mexico, August 15-19, 2010.

AWARDS

CONFERENCES & COURSES

RESEARCH CONTRIBUTIONS

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SCI Journals 1. “Determination of front surface recombination velocity of silicon solar cells using

the short wavelength spectral response” by A.K. Sharma, S.K. Agarwal and S. N. Singh. Solar Energy Materials & Solar Cells Volume 91, Issue 15 +16, 22 September 2007, Pages 1515-1520. (Cited 3 times in Scopus)

2. “The growth kinetics and optical confinement studies of porous-Si for application in

terrestrial Si solar cells as antireflection coating” by B.C.Chakravarty, Jyoti Tripathi, A.K.Sharma, R.Kumar, S.B.Samanta and S.N.Singh. Solar Energy Materials & Solar Cells, Volume 91, Issue 8, 4 May 2007, Pages 701-706. (Cited 7 times in Scopus)

3. “Effect of specimen exposure to air on determination of diffusion length in p-silicon

wafer using the photocurrent generation method” A.K. Sharma, S. N. Singh, Nandan S. Bisht, H.C. Kandpal and Z. H. Khan. Solar Energy, Volume 85, Issue 5, 31 March 2011, Pages 1137-1143.

4. “Determination of minority carrier diffusion length from distance dependence of

lateral photocurrent for side-on illumination” A.K. Sharma, S. N. Singh, Nandan S. Bisht, H.C. Kandpal and Z. H. Khan. Solar Energy Materials & Solar Cells, (Accepted doi:10.1016/j.solmat.2011.04.027).

International & National Conferences/Symposium

1. “Estimation of front surface recombination velocity of minority carriers for n+- p-p+

silicon solar cells from short wavelength spectral response” by A.K. Sharma, S.K. Agarwal and S. N. Singh. International Workshop on the Physics of Semiconductor Devices (IWPSD) NPL New Delhi, India, Dec.13 -17, 2005.

2. “Measurement of front surface recombination velocity of silicon solar cells using

the short wavelength spectral response” by A.K. Sharma, S.K. Agarwal and S. N. Singh. International Materials Research Congress Symposium (IMRC) Cancun, Mexico, August 20-24, 2006.

3. “Effect of surface passivation on the front surface recombination velocity of n+-p-

p+ silicon solar cells” by A.K. Sharma, S.K. Agarwal and S. N. Singh. Materials Research Society of India Symposium (MRSI) NPL, Delhi, India, Feb 12 -14, 2007.

4. “Determination of minority carrier diffusion length from distance dependence of

lateral photocurrent for side-on illumination” A.K. Sharma, S. N. Singh, Nandan S. Bisht, H.C. Kandpal and Z. H. Khan. International Materials Research Congress Symposium (IMRC) Cancun, Mexico, August 15-19, 2006.

REFERRED PUBLICATIONS

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Solar photovoltaics Wafer quality analysis through diffusion length measurement Conventional silicon solar cell fabrication and performance analysis ARC and surface passivation quality analysis

Computer Languages: QBasic, FORTRAN, C Software‟s: Origin 8.0, Mathematica, PC1D, FILMSTAR

Management Admirable organizational, interpersonal skills, Excellent analytical and presentation skills Member Organizing Committee, IWPSD-2005 NPL, New Delhi, India, Dec.13 -17, 2005

Development of characterization methods for crystalline Si solar cells Light management in conventional crystalline Si solar cell New photovoltaic materials for energy generation

Dr. S. N. Singh (Emeritus Scientist) Physics of Energy Harvesting Division, National Physical Laboratory, New Delhi-110012 Tel.: +91-11-4560-8379 (O), Fax: +91-11-4560-9310, Email- snsingh@nplindia.org Dr. Z. H. Khan (Prof. and Honorary Director) Department of Physics & FTK- Center for Information Technology Jamia Millia Islamia (A Central University), Jamia Nagar, New Delhi- 110025 Tel.: +91-11-2698-7707(O), Fax: +91-11-2698-7707, Email- zhkhan@jmi.ac.in Dr. A. K. Tripathi (Director and Scientist „F‟) Ministry of New and Renewable Energy (Govt. of India), Block No. 14, CGO Complex, Lodhi Road New Delhi-110003 Tel. and Fax: +91-11-2436-3035, 91-11-2436-0707, Email- aktripathi@nic.in

Date: April 23, 2011 Place: New Delhi

(Ashok Kumar Sharma)

ADDITIONAL SKILLS

PRESENT RESEARCH INTREST

REFRENCES