期刊
JOURNAL OF POWER SOURCES
卷 229, 期 -, 页码 102-111出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2012.12.021
关键词
Dye sensitized solar cell; Counter electrode; Nano-carbon composite; Hierarchical porous; Mass transport; Defects
资金
- 973 Program of China [2011CB933300]
- National Natural Science Foundation of China [11074194]
- Natural Science Foundation of Hubei Province [2010CDA016]
- Research Program of Suzhou Science & Technology Bureau [SYG201133]
- Fundamental Research Funds for the Central Universities
A nano-carbon composite with unique hierarchical porous structure has been effectively fabricated as dye sensitized solar cell (DSSC) counter electrode material by a simple and low-cost way. The fabrication process only employs spin-coating and then combustion by using sodium lauryl sulfate as a facile pore-forming precursor. The generated composite reveals high catalytic ability coupled with low electrical resistance owing to its unique structure. The power conversion efficiency of the resulting DSSC device reaches 6.5%, which is close to 6.6% of the referenced DSSC by using platinum as the counter electrode. A mass transfer model is built and it convincingly demonstrates that the composite architecture is beneficial to carrier transport. The fabrication strategy is simple and effective, and it has a great potential to be applied to DSSC fabrication on a large scale. (C) 2012 Elsevier B.V. All rights reserved.
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