期刊
PROGRESS IN PHOTOVOLTAICS
卷 20, 期 1, 页码 44-50出版社
WILEY
DOI: 10.1002/pip.1107
关键词
counter electrode; DSSC; durability; platinum nanoclusters
资金
- Tripod Tech. Corp.
- National Science Council [97-2221-E-007-079-MY3]
In this paper, the durability of PVP-capped Pt nanoclusters counter electrode (PVP-Pt CE) for dye-sensitized solar cell (DSSC) has been extensively evaluated including electrochemical reaction durability, thermal stress durability and light soaking durability. It is revealed that PVP-Pt CE exhibits both electrochemical and thermal durability by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) test. Moreover, DSSC containing PVP-Pt CE shows over 9.37% conversion efficiency in highly volatile electrolyte system. As to device thermal durability, both low-volatile and non-volatile electrolyte systems were tested and the results show relative efficiency can maintain more than 85% after accelerated thermal test at 85 degrees C for 1000?h, and 110% after 60 degrees C for 1000?h. Finally, after continuous light soaking test under 60 degrees C for 1000?h, the relative efficiency can still maintain at 94%. Copyright (c) 2011 John Wiley & Sons, Ltd.
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