Localization of a charge transfer excited state in molecular crystals: A direct confirmation by femtosecond diffuse reflectance spectroscopy

Tsuyoshi Asahi*, Yasutaka Matsuo, Hiroshi Masuhara

*此作品的通信作者

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35 引文 斯高帕斯(Scopus)

摘要

Transient absorption spectra of the durene-pyromellitic dianhydride (PMDA) charge transfer (CT) crystal, PMDA-doped durene crystal and its molten state were measured by femtosecond diffuse reflectance spectroscopy, and electronic structure and dynamics of the excited state in the CT crystal are discussed. It is directly confirmed that the excited CT singlet state is almost localized (self-trapped) in one donor(D)-acceptor(A) unit within a few picoseconds after excitation. The electronic structure of the excited state is quite polar but it is not an electron transfer state from D to A.

原文English
頁(從 - 到)525-530
頁數6
期刊Chemical Physics Letters
256
發行號4-5
DOIs
出版狀態Published - 5 七月 1996

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