Photo-induced interfacial electron transfer from CdSe quantum dots to surface-bound p-benzoquinone and anthraquinone

Photo-induced interfacial electron transfer from CdSe quantum dots to surface-bound... Here we report transient spectral red-shift and transient absorption enhancement of p-benzoquinone radical in the presence of CdSe quantum dots after 355 nm pulse laser excitation. The spectral shift was caused by surface-bound p-benzoquinone molecules while the transient absorption increase was due to interfacial electron transfer from CdSe quantum dots to p-benzoquinone molecules. In contrast, spectral shift and absorption increase were much less significant for anthraquinone in the presence of CdSe quantum dots due to their weak adsorption abilities. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Photo-induced interfacial electron transfer from CdSe quantum dots to surface-bound p-benzoquinone and anthraquinone

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Publisher
Brill Academic Publishers
Copyright
Copyright © 2007 by VSP
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1163/156856707781749937
Publisher site
See Article on Publisher Site

Abstract

Here we report transient spectral red-shift and transient absorption enhancement of p-benzoquinone radical in the presence of CdSe quantum dots after 355 nm pulse laser excitation. The spectral shift was caused by surface-bound p-benzoquinone molecules while the transient absorption increase was due to interfacial electron transfer from CdSe quantum dots to p-benzoquinone molecules. In contrast, spectral shift and absorption increase were much less significant for anthraquinone in the presence of CdSe quantum dots due to their weak adsorption abilities.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Jan 1, 2007

References

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