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Proceedings Paper

Time-resolved spectroscopy of Au(III) porphyrin
Author(s): H. Ding; Alexander S. Dvornikov; K. D. Straub; Peter M. Rentzepis
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Paper 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.

Paper Details

Date Published: 17 August 1994
PDF: 6 pages
Proc. SPIE 2137, Time-Resolved Laser Spectroscopy in Biochemistry IV, (17 August 1994); doi: 10.1117/12.182710
Show Author Affiliations
H. Ding, Univ. of California/Irvine (United States)
Alexander S. Dvornikov, Univ. of California/Irvine (United States)
K. D. Straub, Univ. of California/Irvine (United States)
Peter M. Rentzepis, Univ. of California/Irvine (United States)


Published in SPIE Proceedings Vol. 2137:
Time-Resolved Laser Spectroscopy in Biochemistry IV
Joseph R. Lakowicz, Editor(s)

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