期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 2, 期 3, 页码 614-619出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta13986g
关键词
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资金
- National Natural Science Foundation of China [21373083, 21203061]
- SRF for ROCS, SEM
- Programme for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning
- Major Basic Research Programme of Science and Technology Commission of Shanghai Municipality [10JC1403200]
- Fundamental Research Funds for the Central Universities [WM1314018, WD1313009, WD1214036]
- China Post-doctoral Science Foundation [2012M511056, 2013T60425]
In this paper, a free radical assisted strategy was introduced into the functionalization of counter electrodematerials for the first time. With the assistance of a radical initiator, short-chained thiol groups can be attached on a multi-walled carbon nanotube (MWCNT) surface covalently, which was confirmed to be beneficial for both controlling the particle growth of platinum (Pt) on MWCNTs and improving the electron transfer between counter electrode materials and the substrate. The obtained Pt-MWCNT composite has been applied as a counter electrode material for dye-sensitized solar cells, and the power conversion efficiency (eta) was detected to be 8.62%, surpassing that of the cell with a conventional Pt counter electrode (eta = 7.56%). Especially, the fill factor improved considerably from 0.57 to 0.65.
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