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research article
Peripherally and Axially Carboxylic Acid Substituted Subphthalocyanines for Dye-Sensitized Solar Cells
A series of subphthalocyanines (SubPcs) bearing a carboxylic acid group either at the peripheral or axial position have been designed and synthesized to investigate the influence of the COOH group positions on the dye-sensitized solar cell (DSSC) performance. The DSSC devices based on SubPcs with axially substituted carboxylic acid groups showed low photovoltaic performance, whereas peripherally substituted one exhibited higher power conversion efficiency owing to improved injection from LUMO of SubPcs to the TiO2 conduction band.
Type
research article
Web of Science ID
WOS:000337301100027
Authors
Ince, Mine
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Medina, Anais
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•
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Claessens, Christian G.
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Victoria Martinez-Diaz, M.
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Torres, Tomas
Publication date
2014
Publisher
Published in
Volume
20
Issue
7
Start page
2016
End page
2021
Peer reviewed
REVIEWED
Written at
EPFL
EPFL units
Available on Infoscience
August 29, 2014
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