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Blue-shifted emission and enhanced quantum efficiency via π-bridge elongation in carbazole–carborane dyads

Wang, Zhaojin; Jiang, Peng; Wang, Tianyu; Moxey, Graeme J; Cifuentes, Marie P; Zhang, Chi; Humphrey, Mark


Carbazole–carborane linear dyads and di(carbazole)–carborane V-shaped dyads with phenyleneethynylene-based bridges have been synthesized. The V-shaped dyads display the expected red-shifts in the location of their UV-Vis absorption maxima on bridge-lengthening, but show unusual blue-shifts in charge-transfer (CT) emission on the same π-system lengthening. These blue-shifts can be attributed to the 2n + 3 electron count within the carborane cluster in the excited state. The linear dyads...[Show more]

CollectionsANU Research Publications
Date published: 2016-05-20
Type: Journal article
Source: Physical Chemistry Chemical Physics
DOI: 10.1039/C6CP02870E


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