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Department of Industrial Chemistry, Faculty of Engineering, Tokyo University of Science, 12-1, Ichigaya-Funagawara, Shinjuku, Tokyo, Japan
; Fax: (+81)-3-5261-4631
; Tel: (+81)-3-5228-8311
RSC Adv., 2012,2, 3198-3200
07 Dec 2011,
20 Jan 2012
First published online
29 Feb 2012
The conversion efficiency of black-dye-based dye-sensitized solar cell (DSC) was improved by cosensitization with organic dye (NKX-2553 or D131). This improved conversion efficiency was further enhanced by employing deoxycholic acid (DCA) as a coadsobent. The highest conversion efficiency, 11.6% under AM 1.5 irradiation (100 mW cm−2), was obtained in DSC with black dye and D131 in the presence of DCA.
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