Journal
FARADAY DISCUSSIONS
Volume 153, Issue -, Pages 117-129Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1fd00035g
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Funding
- National Science Foundation [CHE-0718219]
- FOCUS Center at the University of Michigan
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Broadband visible transient absorption spectroscopy was used to characterize the excited state population of 7-dehydrocholesterol (provitamin D-3, DHC) following excitation by UV pulses with systematically varied linear chirp. These experiments demonstrate that the phase of the excitation pulse can modify the observed excited state decay. The results suggest that coherent mechanisms involving multiple interfering pathways may be exploited to control branching between excited state pathways and manipulate product formation.
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