Journal
ELECTROCHIMICA ACTA
Volume 94, Issue -, Pages 92-97Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2013.01.128
Keywords
H2Ti3O7 nanotube; Nanorod; Indoline dyes; The mixed dye; DSSC
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Funding
- National Natural Science Foundation of China [NSFC 21073039]
- National Science Foundation for Fostering Talents in Basic Research of National Natural Science Foundation of China [J1103303]
- Natural Science Foundation of Fujian Province [2012J05018]
- State Quality Inspection Administration [2012QK023]
- Key Laboratory of Novel Thin Film Solar Cells, CAS
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Highly crystalline titania nanorods were prepared from H2Ti3O7 nanotubes precursor and then used as the photoanode for indoline dyes sensitized solar cells. The cells sensitized by D131, D102 and D149 dyes exhibited the efficiencies of 4.63%, 4.56% and 5.47%, respectively. Interestingly, the photovoltaic properties can be enhanced significantly when the mixed dye was used as a sensitizer. The best efficiency of 7.30% was obtained using the mixed dye of D131 and D149 as a sensitizer. This result might be ascribed to the increased light-harvesting, prolonged electron lifetime and inhibited interfacial charge recombination. (C) 2013 Elsevier Ltd. All rights reserved.
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