Photoinduced long-lived charge transfer excited states in AT-DNA strands

Literature Information

Publication Date 2016-07-12
DOI 10.1039/C6CP04550B
Impact Factor 3.676
Authors

Lara Martinez-Fernandez, Yuyuan Zhang, Kimberly de La Harpe, Ashley A. Beckstead, Bern Kohler, Roberto Improta


View Original

Abstract

The IR spectrum of a charge transfer (CT) excited electronic state in DNA has been computed for the first time, enabling assignment of the long-lived component of the transient IR spectrum of a d(AT)9 single strand to an A → T CT state. Experimentally, the CT state lifetime is much shorter than in the double strand, and our calculations explain this result using Marcus Theory.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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