Efficient Charge Transport in DNA Diblock Oligomers - Journal of the

Jun 26, 2009 - ... separation and charge recombination as well as hole transport in DNA-based systems. ... Transient spectra of A2G7 from 750 to 5250 ...
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Published on Web 06/26/2009

Efficient Charge Transport in DNA Diblock Oligomers Josh Vura-Weis, Michael R. Wasielewski,* Arun K. Thazhathveetil, and Frederick D. Lewis* Department of Chemistry and Argonne-Northwestern Solar Energy Research (ANSER) Center, Northwestern UniVersity, EVanston, Illinois 60208 Received February 26, 2009; E-mail: [email protected]; [email protected]

Abstract: The realization of highly efficient photoinduced charge separation across the π-stacked base pairs in duplex DNA remains elusive. The low efficiencies (