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Transient absorption microscopic study of triplet excitons in organic crystals

Paper ID Volume ID Publish Year Pages File Format Full-Text
28322 44070 2006 6 PDF Available
Title
Transient absorption microscopic study of triplet excitons in organic crystals
Abstract

We have constructed a transient absorption microscope to study triplet excitons in organic crystals. Using the microscope, transient absorption of small crystals can be measured and the spatial distribution of triplet excitons can be obtained. Additionally, it was found that the contrast of the image becomes much better than that of a conventional bright-field microscope. These characteristic features of the transient absorption microscope will be discussed. We also report on the absorption spectra in benzophenone, anthracene and α- and β-perylene crystals. Absorption spectra due to triplet excitons in the crystals were similar to the corresponding solution spectra, although there were some minor differences.

Keywords
Transient absorption; Microscope; Triplet exciton; Organic crystal
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Transient absorption microscopic study of triplet excitons in organic crystals
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 183, Issue 3, 25 October 2006, Pages 267–272
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