Pump–probe spectroscopic studies were made for a one-dimensional (1D) platinum dimethylglyoxime complex 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.
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22 September 1999
Research Article|
September 22 1999
Wave packet motion during thermalization of the relaxed excited state in the one-dimensional platinum dimethylglyoxime complex
Shinichiro Iwai;
Shinichiro Iwai
National Institute of Materials and Chemical Research, Tsukuba 305-8565, Japan
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Toshihide Kamata;
Toshihide Kamata
National Institute of Materials and Chemical Research, Tsukuba 305-8565, Japan
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Shigeo Murata;
Shigeo Murata
National Institute of Materials and Chemical Research, Tsukuba 305-8565, Japan
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Kaoru Yamamoto;
Kaoru Yamamoto
School of Science, University of Tokyo, Tokyo 113-0033, Japan
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Toshiaki Ohta
Toshiaki Ohta
School of Science, University of Tokyo, Tokyo 113-0033, Japan
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J. Chem. Phys. 111, 5402–5407 (1999)
Article history
Received:
March 26 1999
Accepted:
June 29 1999
Citation
Shinichiro Iwai, Toshihide Kamata, Shigeo Murata, Kaoru Yamamoto, Toshiaki Ohta; Wave packet motion during thermalization of the relaxed excited state in the one-dimensional platinum dimethylglyoxime complex. J. Chem. Phys. 22 September 1999; 111 (12): 5402–5407. https://doi.org/10.1063/1.479800
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