Coherent control of long-range photoinduced electron transfer by stimulated X-ray Raman processes
- 24 August 2016
- journal article
- Published by Proceedings of the National Academy of Sciences in Proceedings of the National Academy of Sciences of the United States of America
- Vol. 113 (36), 10001-10006
- https://doi.org/10.1073/pnas.1610729113
Abstract
We show that X-ray pulses resonant with selected core transitions can manipulate electron transfer (ET) in molecules with ultrafast and atomic selectivity. We present possible protocols for coherently controlling ET dynamics in donor–bridge–acceptor (DBA) systems by stimulated X-ray resonant Raman processes involving various transitions between the D, B, and A sites. Simulations presented for a Ru(II)–Co(III) model complex demonstrate how the shapes, phases and amplitudes of the X-ray pulses can be optimized to create charge on demand at selected atoms, by opening up otherwise blocked ET pathways.Keywords
Funding Information
- U.S. Department of Energy (DE-FG02-04ER15571)
- National Science Foundation (CHE- 1361516)
- Science and Engineering Research Council, Agency for Science, Technology and Research (1426500053)
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