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Aggregation-induced emissions of tetraphenylethene derivatives and their utilities as chemical vapor sensors and in organic light-emitting diodes

Authors Dong, Yongqiang HKUST affiliated (currently or previously)
Lam, Jacky Wing Yip View this author's profile
Qin, Anjun HKUST affiliated (currently or previously)
Liu, Jianzhao HKUST affiliated (currently or previously)
Li, Zhen HKUST affiliated (currently or previously)
Tang, Ben Zhong View this author's profile
Sun, Jiaxin HKUST affiliated (currently or previously)
Kwok, Hoi Sing View this author's profile
Issue Date 2007
Source Applied physics letters , v. 91, (1), 2007, JUL 2
Summary Nonemissive tetraphenylethene (TPE) 1 and its diphenylated derivative 2 were induced to emit intensely by aggregate formation. Crystalline aggregates of the dyes emitted bluer lights than their amorphous counterparts. The emissions of the TPE dyes could be switched off and on continuously and reversibly by wetting and dewetting with solvent vapors, respectively, manifesting their ability to optically sense volatile organic compounds. The light-emitting diodes fabricated from 1 and 2 were turned on at similar to 2.9 and similar to 5 V and emitted blue lights with maximum luminance of similar to 1800 and similar to 11 000 cd/m(2), respectively. (c) 2007 American Institute of Physics.
ISSN 0003-6951
Rights Applied Physics Letters © copyright (2007) American Institute of Physics. The Journal's web site is located at
Language English
Format Article
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