A time resolved double pump–probe experimental technique to characterize excited-state parameters of organic dyes
作者:
Stewart N. R. Swatton,
Kevin R. Welford,
Richard C. Hollins,
J. Roy Sambles,
期刊:
Applied Physics Letters
(AIP Available online 1997)
卷期:
Volume 71,
issue 1
页码: 10-12
ISSN:0003-6951
年代: 1997
DOI:10.1063/1.119443
出版商: AIP
数据来源: AIP
摘要:
We report a novel time resolved double pump–probe experimental technique that may be used to characterize the excited-state parameters of organic dyes. We show that by monitoring the time evolution of the transmittance of a dye after excitation with two pump pulses, the excited singlet and triplet absorption cross sections, the lifetime of the excited singlet state, and the triplet quantum yield may all be measured. This technique has been demonstrated for silicon 2,3-naphthalocyanine bis(trihexylsiloxide).
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