Kesterite Cu2ZnSn(S,Se)4 (CZTSSe) thin films were prepared by a low-cost, simple and environmental-friendly hybrid ink method. The hybrid ink was prepared by mixing nanoparticle ink with molecular solution. Compared with nanoparticle ink or molecular solution-based CZTSSe thin film, hybrid ink-based CZTSSe thin film was better in terms of crystalline, uniform, compact and crack-free. The hybrid ink-derived solar cell with an efficiency of 6.39% was obtained.
Wang, W., Shen, H., Wong, L.H., Yao, H., Su, Z. and Li, Y., 2016. Preparation of high efficiency Cu2ZnSn (S, Se) 4 solar cells from novel non-toxic hybrid ink. Journal of Power Sources, 335, pp.84-90.
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