title: Watching energy transfer in metalloporphyrin heterodimers using stimulated X-ray Raman spectroscopy.
abstract: Understanding the excitation energy transfer mechanism in multiporphyrin arrays is key for designing artificial light-harvesting devices and other molecular electronics applications. Simulations of the stimulated X-ray Raman spectroscopy signals of a Zn/Ni porphyrin heterodimer induced by attosecond X-ray pulses show that these signals can directly reveal electron-hole pair motions. These dynamics are visualized by a natural orbital decomposition of the valence electron wavepackets.
authors.affiliation: Department of Chemistry, University of California, Irvine, CA 92697.
authors.forename: Jason D
authors.initials: JD
authors.lastname: Biggs
authors.forename: Yu
authors.initials: Y
authors.lastname: Zhang
authors.forename: Daniel
authors.initials: D
authors.lastname: Healion
authors.forename: Shaul
authors.initials: S
authors.lastname: Mukamel
keywords: REW-TDDFT; chromophore aggregates; core transitions; nonlinear
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