Engineering Coherence Among Excited States in Synthetic Heterodimer Systems
- 21 June 2013
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 340 (6139) , 1431-1434
Abstract
Coherence in Photosynthesis: It is unclear how energy absorbed by pigments in antenna proteins is transferred to the central site of chemical catalysis during photosynthesis. Hildner et al. (p. 1448 ) observed coherence—prolonged persistence of a quantum mechanical phase relationship—at the single-molecule level in light-harvesting complexes from purple bacteria. The results bolster conclusions from past ensemble measurements that coherence plays a pivotal role in photosynthetic energy transfer. Hayes et al. (p. 1431 , published online 18 April) examined a series of small molecules comprised of bridged chromophores that also manifest prolonged coherence.Keywords
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