Journal
CATALYSIS COMMUNICATIONS
Volume 163, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2022.106403
Keywords
Bifacial dye-sensitized solar cells; Transparent catalytic electrode; Polypyrrole-molybdenum sulfide complex; Electrocatalytic activity
Categories
Funding
- Natural Science Foundation of Shandong Province [ZR2021ME037]
- National Natural Science Foundation of China [61774139, U1802257, 61604143]
- Natural Science Foundation of Guangdong Province [2019B151502061]
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In this work, a highly transparent polypyrrole-molybdenum sulfide catalytic counter electrode was constructed by combining pyrmle with MoS2 and subsequently polymerizing in situ. The polypyrrole-molybdenum sulfide counter electrode showed higher electrocatalytic activity and achieved a superior power conversion efficiency of 9.48% for bifacial dye-sensitized solar cells under both-side irradiation.
A transparent catalytic counter electrode (CE) with excellent properties plays an important role in the performance improvement of bifacial dye-sensitized solar cells (Bi-DSSCs). In this work, pyrmle is combined with molybdenum sulfide (MoS2) by a refluxing technology and subsequently polymerized in situ to construct polypyrrole (PPy)-MoS2 CEs with high transparency. And compared with the original PPy CE, the PPy-MoS2 CE shows higher electrocatalytic activity for triiodide reduction. A superior power conversion efficiency of 9.48% under both-side irradiation is obtained for the Bi-DSSCs assembled with PPy-4 wt parts per thousand MoS2 complex CE, compared to 7.36% bifacial efficiency for PPy-CE based solar cell.
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