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https://hdl.handle.net/10356/104301| Title: | Cu2ZnSn(S,Se)4 kesterite solar cell with 5.1% efficiency using spray pyrolysis of aqueous precursor solution followed by selenization | Authors: | Zeng, Xin Tai, Kong Fai Zhang, Tianliang Ho, Chun Wan John Chen, Xiaodong Huan, Alfred Sum, Tze Chien Wong, Lydia H. |
Keywords: | DRNTU::Engineering::Materials | Issue Date: | 2014 | Source: | Zeng, X., Tai, K. F., Zhang, T., Ho, C. W. J., Chen, X., Huan, A., Sum, T. C., & Wong, L. H. (2014). Cu2ZnSn(S,Se)4 kesterite solar cell with 5.1% efficiency using spray pyrolysis of aqueous precursor solution followed by selenization. Solar Energy Materials and Solar Cells, 124, 55-60. | Series/Report no.: | Solar energy materials and solar cells | Abstract: | Kesterite thin film solar cell has been fabricated by chemical spray pyrolysis (CSP) of an aqueous solution followed by high temperature selenization. The pyrolysis formation of Cu2ZnSnS4 was conducted in atmospheric condition with substrate temperature of 280 °C. X-ray diffraction and Raman spectroscopy study confirmed the formation of the single phase Cu2ZnSn(S,Se)4 kesterite structure after selenization without traceable secondary phases. FESEM image shows a uniform absorber layer without carbon layer formed between CZTSSe and Mo. Power conversion efficiency of 5.1% was obtained with different amounts of selenium incorporation. Power dependent and temperature dependent photoluminescence (PL) study revealed donor-to-acceptor pairs (DAP) transition at low temperature. Severe PL quenching at temperatures above 41 K is attributed to the opening of non-radiative recombination channels from the defects associated with non-stoichiometric elemental ratio. Therefore, further enhancement of power conversion efficiency can be achieved by better control of stoichiometry. | URI: | https://hdl.handle.net/10356/104301 http://hdl.handle.net/10220/20233 |
ISSN: | 0927-0248 | DOI: | 10.1016/j.solmat.2014.01.029 | Schools: | School of Materials Science & Engineering School of Physical and Mathematical Sciences |
Research Centres: | Energy Research Institute @ NTU (ERI@N) | Rights: | © 2014 Elsevier B.V. This is the author created version of a work that has been peer reviewed and accepted for publication by Solar Energy Materials and Solar Cells, Elsevier, B.V. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1016/j.solmat.2014.01.029] | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
| Appears in Collections: | ERI@N Journal Articles MSE Journal Articles SPMS Journal Articles |
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| )4 kesterite solar cell with 5.1% efficiency using spray pyrolysis of aqueous precursor solution followed by selenization.pdf | 1.29 MB | Adobe PDF |  View/Open |
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