Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/27320
Title: Hybrid solar cells based on poly(3-hexylthiophene) and electrospun TiO 2 nanofibers with effective interface modification
Authors: Tai, Q
Zhao, X
Yan, F 
Issue Date: 2010
Publisher: Royal Society of Chemistry
Source: Journal of materials chemistry, 2010, v. 20, no. 35, p. 7366-7371 How to cite?
Journal: Journal of materials chemistry 
Abstract: Electrospinning, a low cost production method for large area nanofibrous films, is employed to fabricate organic-inorganic hybrid solar cells based on poly(3-hexylthiophene) and TiO2 nanofibers. The performance of the hybrid solar cells is optimized by modifying the surface of TiO2 nanofibers with ruthenium dye (N719) and 3-phenylpropionic acid, which results in the average power conversion efficiency of about 1.1% under AM 1.5G simulated illumination (100 mW cm-2). It is found that the co-modification of N719 and 3-phenylpropionic acid on TiO2 can induce more ordered backbone packing of poly(3-hexylthiophene) layer, lower density of trap states on the surface of TiO2 and longer lifetime of carriers in the active layer due to retarded recombination process by the modifier. Therefore the interface modification can dramatically enhance the photovoltaic performance.
URI: http://hdl.handle.net/10397/27320
ISSN: 0959-9428
EISSN: 1364-5501
DOI: 10.1039/c0jm01455a
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