期刊
TETRAHEDRON
卷 68, 期 48, 页码 9936-9941出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2012.09.089
关键词
Fluorescence; Indolenine semi-squarylium dye; Solid-state fluorescence; Single X-ray crystallography; Aggregation-induced emission enhancement
3-Butoxy-4-(1-butyl-3,3-dimethyl-3H-indol-2-ylidenemethyl)-3-cyclobut-1,2-dione exhibited the most intense florescence at fluorescence maxima 536 and 563 nm with fluorescence quantum yield 0.21 among any indolenine semi-squarylium dyes in the crystalline form due to the isolated dimer-type molecular packing and its suitable melting point. This compound showed aggregation-induced emission enhancement. (c) 2012 Elsevier Ltd. All rights reserved.
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