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Efficient organic sensitizers containing benzo[cd]indole: Effect of molecular isomerization for photovoltaic properties
- Issue Date
- 25-1월-2009
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Benzo[cd]indole; Organic dye; Dye-sensitized solar cell; DSSCs
- Citation
- JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, v.201, no.2-3, pp.102 - 110
- Indexed
- SCIE
SCOPUS
- Volume
- 201
- Number
- 2-3
- Start Page
- 102
- End Page
- 110
- ISSN
- 1010-6030
- Abstract
- Two isomeric organic dyes, JK-51 and JK-52 containing benzo[cd]indole were synthesized. Under standard global AM 1.5 solar condition, the JK-51 sensitized cell gave a short circuit photocurrent density of 17.43 mA/cm(2), open circuit voltage of 0.680V, and a fill factor of 0.71, corresponding to an overall conversion efficiency 21 of 8.42%. On the other hand, a solar-to-electric conversion efficiency of 6.88% was achieved with the isomeric dye JK-52. We found that the power conversion efficiency was shown to be quite sensitive to the isomeric configurations. (c) 2008 Elsevier B.V. All rights reserved
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