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Photophysical and photochemical properties of an aromatic carbonyl compound for a moderate triplet energy sensitizer studied by steady state and laser flash photolysis

Paper ID Volume ID Publish Year Pages File Format Full-Text
26354 43948 2016 3 PDF Available
Title
Photophysical and photochemical properties of an aromatic carbonyl compound for a moderate triplet energy sensitizer studied by steady state and laser flash photolysis
Abstract

•1-Benzoyl-2-phenylacetylene (BPA) is prepared.•The triplet energy of BPA is found to be 65 kcal mol-1.•The excited state character of BPA is similar to that of benzophenone.•The absorption spectra of triplet BPA and the ketyl radical are identified.

1-Benzoyl-2-phenylacetylene (BPA) having a moderate triplet energy (65 kcal mol−1) was prepared, and steady state and laser photolysis techniques were conducted to characterize the photochemical features of the triplet state and the BPA ketyl radical that was formed via H-abstraction of the triplet n,π* from alcohol and phenol. The photophysical and photochemical properties of BPA similar to those of benzophenone may encourage photochemists to use it as an n, π* triplet sensitizer scheduled for triplet-energy-tuned experiments upon laser flash photolysis in solution.

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Keywords
Triplet sensitization; Triplet energy; Triplet–triplet absorption; Laser flash photolysis; H-atom abstraction
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Photophysical and photochemical properties of an aromatic carbonyl compound for a moderate triplet energy sensitizer studied by steady state and laser flash photolysis
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 317, 15 February 2016, Pages 9–11
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Price was $35.95
You save - $31
Price after discount Only $4.95
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