Journal
SOLAR ENERGY
Volume 85, Issue 7, Pages 1354-1363Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2011.03.017
Keywords
CZTS; Structural; Morphological; Compositional; Optical properties; Solar cells
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Funding
- Department of Science and Technology (DST), New Delhi [SR/BY/P-02/2008]
- University Grants Commission, New Delhi, India [F-47-707/2008]
- Korea government (MEST) [K2080200147310 B120004510]
- National Research Foundation of Korea [2008-00781] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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High-quality Cu(2)ZnSnS(4) (CZTS) thin films were synthesized by pulsed laser deposition as a function of pulse repetition rate onto the SLG substrates. Influence of pulse repetition rate onto the structural, morphological, compositional and optical properties have been investigated for as-deposited and annealed thin films. X-ray diffraction study shows transformation of amorphous to crystalline phase after tuning pulse repetition rate and annealing of samples. FESEM images of thin films show increase in grain size upon annealing. Films are nearly stoichiometric deposited at 10 Hz repetition rate has been confirmed with the help of EDAX and XPS analysis. The direct band gap energy of the deposited CZTS thin films are in the solar energy range. The performance of solar cell based on CZTS absorber layer has been tested and the efficiency is about 2%. (C) 2011 Elsevier Ltd. All rights reserved.
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