Journal
DYES AND PIGMENTS
Volume 67, Issue 2, Pages 105-110Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2004.09.023
Keywords
hexaazatriphenylene; tetraazaphenanthrene; solvatochromism; N,N-diphenylamino
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1,4,5,8,9,12-Hexaazatriphenylenes, 1,4,5,8-tetraazaphenanthrene, and quinoxalines, each with six, four, and two N,N-diphenylaminobiphenyl and N,N-diphenylaminophenyl groups, respectively, were prepared and their absorption and fluorescent spectral behaviors were investigated. These compounds showed strong fluorescent solvatochromism arising from the donor-acceptor nature of the pi-electron-deficient aromatic core and pi-electron-rich diphenylamino terminal groups. (c) 2004 Elsevier Ltd. All rights reserved.
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