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Transient photophysics of phenothiazine–thiophene/furan copolymers in solvents

Paper ID Volume ID Publish Year Pages File Format Full-Text
27103 44001 2010 4 PDF Available
Title
Transient photophysics of phenothiazine–thiophene/furan copolymers in solvents
Abstract

The steady-state and transient photophysics of a series of newly synthesized phenothiazine-based conjugated polymers and copolymers with thiophene and furan moieties in solvents were investigated. Positive solvatochromism in emission spectra was observed in polar solvents due to excited-state intramolecular charge-transfer. The picosecond time-resolved spectra using streak camera revealed fast chain twisting motion at ∼10 ps, verified by solvent viscosity dependency. A non-radiative de-activate pathway is assigned to the non-planar conformation at excited state. This reveals a possible way for intramolecular energy loss in new polymer design for applications.

Keywords
Picosecond; Polymer; Phenothiazine; TICT
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Transient photophysics of phenothiazine–thiophene/furan copolymers in solvents
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 210, Issue 1, 5 February 2010, Pages 44–47
Authors
, , , , , , ,
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
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Online Support
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