Modulating dye E(S+/S) with efficient heterocyclic nitrogen containing acceptors for DSCsElectronic supplementary information (ESI) available: Synthetic routes, intermediate characterization, and additional device studies. See DOI: 10.1039/c2cc17142b

Acceptor motifs based on nitrogen containing heterocycles have been synthesized for use in dye-sensitized solar cells (DSCs). Through the selective addition of nitrogen atoms and increased conjugation of the nitrogen containing heterocycles the excited-state oxidation potential, E (S+/S*) , may be c...

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Bibliographic Details
Main Authors: Delcamp, Jared H, Yella, Aswani, Nazeeruddin, Mohammad K, Grtzel, Michael
Format: Article
Language:English
Online Access:Get full text
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Summary:Acceptor motifs based on nitrogen containing heterocycles have been synthesized for use in dye-sensitized solar cells (DSCs). Through the selective addition of nitrogen atoms and increased conjugation of the nitrogen containing heterocycles the excited-state oxidation potential, E (S+/S*) , may be conveniently tuned with minimal effect on the ground-state oxidation potential, E (S+/S) , of the dye. A series of nitrogen containing heterocyclic acceptors are shown to tune the excited-state oxidation potential of D--A dyes for DSCs.
ISSN:1359-7345
1364-548X
DOI:10.1039/c2cc17142b