Time-resolved spectroscopy of Au(III) porphyrin

H. Ding; Alexander S. Dvornikov; K. D. Straub; Peter M. Rentzepis

doi:10.1117/12.182710

17 August 1994 Time-resolved spectroscopy of Au(III) porphyrin

H. Ding, Alexander S. Dvornikov, K. D. Straub, Peter M. Rentzepis

Proceedings Volume 2137, Time-Resolved Laser Spectroscopy in Biochemistry IV; (1994) https://doi.org/10.1117/12.182710
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

The energy relaxation mechanism of Au(III) protoporphyrin IX dimethyl ester in glacial acetic acid was determined by means of time-resolved picosecond spectroscopy. The rate of the absorbance change induced by a 355 nm ps pulse was measured. The kinetics of the ground state repopulation and the formation and decay of the excited states were measured at 425 nm, 547 nm, and 600 nm. Based on these data the kinetics of the transient intermediate states and the relaxation mechanism of Au(III) Protoporphyrin were determined.

Citation Download Citation

H. Ding, Alexander S. Dvornikov, K. D. Straub, and Peter M. Rentzepis "Time-resolved spectroscopy of Au(III) porphyrin", Proc. SPIE 2137, Time-Resolved Laser Spectroscopy in Biochemistry IV, (17 August 1994); https://doi.org/10.1117/12.182710

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