期刊
SOLAR ENERGY
卷 201, 期 -, 页码 116-121出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2020.02.104
关键词
Counter electrode; Dye-sensitized solar cell; MoIn2S4; Efficient conversion efficiency
资金
- National Natural Science Foundation of China [61704047]
- open topic of Fujian Key Laboratory of Functional Materials, China [FJPFM-201501]
A petal-like MoIn2S4 thin film with excellent performance was synthesized on conductive fluorine-doped tin oxide (FTO) substrate through the hydrothermal method. The MoIn2S4 thin film with 0.169 g InCl3 exhibited the most excellent electrocatalytic activity and lowest charge transfer resistance of 19.90 Omega cm(-1) among the various MoIn2S4 samples in I-/I3- redox couple, which was confirmed through a series of electrochemical investigations. The photoelectric conversion efficiency for the DSSC served the MoIn2S4 thin film as counter electrode achieved 6.51% under 100 mW.cm(-2) illumination, which was a little better than that of the DSSC assembled with the Pt (6.39%) electrode. This research demonstrates that the petal-like MoIn2S4 counter electrode with simple preparation process, excellent electrocatalytic activity and efficient photoelectric conversion efficiency is a promising alternative to the conventional Pt electrode in DSSCs.
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