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Issue 9, 2002
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New perylenes for dye sensitization of TiO2

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We describe a new generation of perylene photosensitizers based upon N-(2,5-di-tert-butylphenyl)perylene-3,4-dicarboximide. The new sensitizers have more favorable energetics for electron injection into TiO2 and better light absorption properties for solar conversion than previous sensitizers based upon perylene tetracarboxylic acid dianhydride. Syntheses, absorption properties, and electrochemical potentials for the new perylenes are reported. We compare the solar conversion efficiencies of the dyes in the dye sensitized solar cell (DSSC) and discuss trends in terms of energetics and structural differences that may affect the injection and recombination processes. These are the highest efficiencies yet reported for perylene sensitizers in the DSSC.

Graphical abstract: New perylenes for dye sensitization of TiO2

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Article information

14 Dec 2001
24 Mar 2002
First published
30 Jul 2002

New J. Chem., 2002,26, 1155-1160
Article type

New perylenes for dye sensitization of TiO2

S. Ferrere and B. A. Gregg, New J. Chem., 2002, 26, 1155
DOI: 10.1039/B203260K

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