Abstract
A series of organic thiolate/disulfide redox couples based on benz-imidazole/othiazole/oxazole have been synthesized and applied to dye-sensitized solar cells (DSCs). Platinum (Pt) and carbon material are introduced as counter electrode (CE) catalysts towards this kind of organic redox couples regeneration and the photovoltaic performance of the DSCs using this organic redox couples has been investigated. The carbon CE shows high catalytic activity than Pt for the organic redox couples and the DSCs using carbon CE exhibit much higher efficiencies than those of the Pt CE-based devices.
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Acknowledgements
This work is financially supported by Natural Science Foundation of Hebei Province (Grant Nos. H2014205119, B2015205163, B2013205171), National Natural Science Foundation of China (Grant Nos. 51132001, 21303039), Science Foundation of Hebei Normal University (L2017K06, L2016J02, 201610094055), the Second Batch of Young Talent of Hebei Province, and Support Program for Hundred Excellent Innovation Talents from the Universities of Hebei Province (BR2-220).
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Li, WY., Zheng, HK., Wang, JW. et al. Thiolate/disulfide organic redox couples for efficient organic dye-sensitized solar cells. Appl. Phys. A 123, 541 (2017). https://doi.org/10.1007/s00339-017-1158-0
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DOI: https://doi.org/10.1007/s00339-017-1158-0