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Photophysical and photochemical properties of difluoroboronated 1,3-diketones having the ferrocene moiety studied by steady-state and laser flash photolyses

Paper ID Volume ID Publish Year Pages File Format Full-Text
26007 43926 2016 3 PDF Available
Title
Photophysical and photochemical properties of difluoroboronated 1,3-diketones having the ferrocene moiety studied by steady-state and laser flash photolyses
Abstract

•BF2 compleses of 1,3-diketones having the ferrocene moiety (Fc@Phs) were prepared.•Fc@Phs show visible colors and no emission in solution.•No photodecomposition occurred upon photolysis of Fc@Phs in cyclohexane.•Laser photolysis studies of Fc@Phs revealed no formation of the triplet states.•Fc@Phs efficiently convert absorbed photon energy to heat.

We synthesized 1,3-diketones having the ferrocene moiety (FcDKPhs) and the corresponding difluoroboronated complexes (Fc@Phs), and investigated the photophysical and photochemical properties in solution by steady-state and laser flash photolyses. FcDKPhs and Fc@Phs had absorption bands with large absorptivities in the UV-region and ones with small absorptivities in the Vis-region, but provided neither fluorescence nor phosphorescence. FcDKPhs decomposed upon exposure to UV–vis light while Fc@Phs were stable. No transient signals obtained upon laser flash photolysis of FcDKPhs and Fc@Phs demonstrated absence of intersystem crossing to the triplet states. Fc@Phs efficiently convert absorbed photon energy to heat.

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Keywords
1,3-Diketone; Ferrocene; Difluoroboronated complex; Laser flash photolysis; Steady-state photolysis
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Photophysical and photochemical properties of difluoroboronated 1,3-diketones having the ferrocene moiety studied by steady-state and laser flash photolyses
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 329, 1 October 2016, Pages 146–148
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us