Understanding excitation energy transfer in metalloporphyrin heterodimers with different linkers,bonding structures,and geometries through stimulated X-ray Raman spectroscopy |
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Authors: | Yu Zhang Jason D Biggs |
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Affiliation: | Department of Chemistry, University of California, Irvine, CA, USA. |
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Abstract: | We present simulations of stimulated X-ray Raman (SXRS) signals from covalently bonded porphyrin heterodimers with different linkers, chemical bonding structures, and geometries. The signals are interpreted in terms of valence electron wavepacket motion. One- and two-color SXRS signals can both mark excitation energy transfer (EET) between the porphyrin monomers. It is shown that the SXRS signals provide a novel window into EET dynamics in multiporphyrin systems, and can be used as a powerful tool to monitor the subtle chemical environment which affects EET. |
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Keywords: | excitation energy transfer stimulated X-ray Raman spectroscopy porphyrin |
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