Dynamics of the charge-transfer-to-solvent states in I{sup {minus}}(Xe){sub n} clusters

The authors have used femtosecond photoelectron spectroscopy to monitor the dynamics associated with the charge-transfer-to-solvent (CTTS) states in I{sup {minus}}(Xe){sub n} clusters. The authors find that the lifetime for the {sup 2}P{sub 1/2} CTTS state increases approximately linearly with clust...

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Published inThe journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory Vol. 104; no. 12
Main Authors Zanni, M.T., Frischkorn, C., Davis, A.V., Neumark, D.M.
Format Journal Article
LanguageEnglish
Published United States 30.03.2000
Subjects
ELECTRONIC STRUCTURE
ENERGY-LEVEL TRANSITIONS
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
IODIDES
PHOTOELECTRON SPECTROSCOPY
SOLVATION
SOLVENTS
XENON COMPLEXES
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Summary:The authors have used femtosecond photoelectron spectroscopy to monitor the dynamics associated with the charge-transfer-to-solvent (CTTS) states in I{sup {minus}}(Xe){sub n} clusters. The authors find that the lifetime for the {sup 2}P{sub 1/2} CTTS state increases approximately linearly with cluster size, e.g. 550 {+-} 50, 700 {+-} 50, and 1,550 {+-} 200 fs for clusters n = 11, 20, and 38, respectively. These states are determined to decay by spin-orbit autodetachment. In contrast, the {sup 2}P{sub 3/2} CTTS state has a lifetime greater than 225 ps for even the smallest cluster studied, n = 6. No evidence for solvent reorganization is observed in the photoelectron spectra.
Bibliography:USDOE
ISSN:1089-5639
1520-5215
DOI:10.1021/jp9943171