Wave packet motion during thermalization of the relaxed excited state in the one-dimensional platinum dimethylglyoxime complex

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5 Citations (Scopus)

Abstract

Pump-probe spectroscopic studies were made for a one-dimensional (ID) platinum dimethylglyoxime complex (Pt(dmg)2) under excitation in the exciton absorption band using 40 fs pulses. Oscillation with a period of 0.11 ps which is superimposed on the rise of the induced absorption due to the self-trapped exciton (STE) was found for the first time in this system. The oscillation damped with a time constant of 0.1 ps. In a previous work in which 150 fs pulses were used for excitation at various wavelengths, we found that the spectral shape of the induced absorption changed with time in 0.1-0.3 ps after instantaneous rise up. These results were reasonably explained by the formation and the thermalization of the STE. In the framework of the interpretation we have presented, the oscillation superimposed on the induced absorption is considered to originate from the wave packet motion of the STE during thermalization.

Original languageEnglish
Pages (from-to)5402-5407
Number of pages6
JournalJournal of Chemical Physics
Volume111
Issue number12
DOIs
Publication statusPublished - 1999 Sep 22
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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