Role of the intermediate state in the photoinduced process ofCo−Fecyanide | Zendy

Yutaka Moritomo | Zendy; F. Nakada | Zendy; Hayato Kamioka | Zendy; Toshiya Hozumi | Zendy; Shinichi Ohkoshi | Zendy

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Role of the intermediate state in the photoinduced process ofCo−Fecyanide

Author(s) -

Yutaka Moritomo,

F. Nakada,

Hayato Kamioka,

Toshiya Hozumi,

Shinichi Ohkoshi

Publication year - 2007

Publication title -

physical review b

Language(s) - English

Resource type - Journals

eISSN - 1538-4489

pISSN - 1098-0121

DOI - 10.1103/physrevb.75.214110

Subject(s) - intersystem crossing , physics , excited state , intensity (physics) , atomic physics , spin (aerodynamics) , crystallography , singlet state , optics , chemistry , thermodynamics

The dynamics of the photoinduced phase transition has been investigated for the Co-Fe cyanide film, Na0.35Co[Fe(CN)6]0.79·3.7H2O, by means of the transient absorption spectroscopy. We observed two characteristic transient bands: short-lived intermediate band (I band) at ~1.9 eV and long-lived photoinduced band (PI band) at ~2.5 eV. We have found that the intensity of the I band transfers to the PI band as time exceeds, and interpreted the behavior in terms of the intersystem crossing from the photocreated low-spin Co2+ species to the high-spin species. We further have found that the excitation spectra of these bands are qualitatively different

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