Observation of the wave-packet oscillation during the exciton self-trapping process in a quasi-one-dimensional halogen-bridged Pt complex | Zendy

Shinichi Tomimoto | Zendy; Shingo Saito | Zendy; Tohru Suemoto | Zendy; K. Sakata | Zendy; Jun Takeda | Zendy; Susumu Kurita | Zendy

Open Access

Observation of the wave-packet oscillation during the exciton self-trapping process in a quasi-one-dimensional halogen-bridged Pt complex

Author(s) -

Shinichi Tomimoto,

Shingo Saito,

Tohru Suemoto,

K. Sakata,

Jun Takeda,

Susumu Kurita

Publication year - 1999

Publication title -

physical review. b, condensed matter

Language(s) - English

Resource type - Journals

eISSN - 1095-3795

pISSN - 0163-1829

DOI - 10.1103/physrevb.60.7961

Subject(s) - luminescence , oscillation (cell signaling) , halogen , exciton , wave packet , trapping , physics , femtosecond , adiabatic process , spectroscopy , atomic physics , materials science , condensed matter physics , optics , quantum mechanics , laser , chemistry , ecology , biochemistry , alkyl , organic chemistry , biology

Using femtosecond time-resolved luminescence spectroscopy, we have observed a wave-packet oscillation in an adiabatic potential well associated with a self-trapped exciton (STE). We have investigated the STE luminescence band of a quasi-one-dimensional halogen-bridged platinum complex [Pt(en)2][Pt(en)2Br2](ClO4)4. In the time evolution of the luminescence, we have observed an oscillation with a period of about 300 fs. This result shows the formation of a wave packet and its oscillation, which is damped with the time constant of about 430 fs. The STE’s have a lifetime of about 5.5 ps at room temperature

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