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Using Stable Radicals To Protect Pentacene Derivatives from Photodegradation
Author(s) -
Kawanaka Yusuke,
Shimizu Akihiro,
Shinada Tetsuro,
Tanaka Rika,
Teki Yoshio
Publication year - 2013
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201300595
Subject(s) - pentacene , radical , photodegradation , moiety , photochemistry , chemistry , combinatorial chemistry , computer science , photocatalysis , organic chemistry , catalysis , thin film transistor , layer (electronics)
A radical solution : The photochemical instability and insolubility in organic solvents of pentacene derivatives prevent their use in molecular electronics. These issues were solved by using pentacene derivatives with stable radicals (Y=radical moiety, 1 a and 2 a ) that have a lifetime of 2077 min in organic solvents under ambient light. The corresponding nonradical pentacene derivatives (Y=radical precursor, 1 b and 2 b ) decay on exposure to light.
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