Cu2ZnSn(S,Se)4 Photovoltaics

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Cu2ZnSn(S,Se)4 Photovoltaics CuInSe2 (I-III-VI) Cu2ZnSn(S,Se)4 (CZTS) (I-II-IV-VI) Suitable and tunable bandgap Large absorption coefficient Proven efficiency (12.7%) through non-vacuum fabrication Only earth-abundant elements Kim, J. et al. Adv. Mater. 2014, DOI: 10.1002/adma.201402373.

Solution-Processed Cu2ZnSn(S,Se)4 at UCLA Understanding Chemistry Hsu, W.-C. et al. Energy Environ. Sci. 2012, 5, 8564. Yang, W. et al. J. Am. Chem. Soc. 2013, 135, 6915. Developing Formulation Zhou, H. et al. Energy Environ. Sci. 2014, 7, 998. Hsu, C.-J. et al. Adv. Energy Mater. 2014, 4, 1301287. Fabricating Solar Cells Yang, W. et al. Adv. Mater. 2012,24, 6323. Hsu, W.-C. et al. ACS Nano 2014, 8, 9164. Studying Device Physics Duan, H.-S. et al. Adv. Funct. Mater. 2013, 23, 1466. Zhou, H. et al. J. Am. Chem. Soc. 2013, 135, 15998.