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Novel Four-hydrogen-bond Assembled Oligoamide Dimer with Pyrazoline Moieties and Its Photoluminescent Properties by Guang Dong Lei; Ming Li; De Min Qiu; Hui Liu; Yan Huang; Zhi Yun Lu is a Chemistry article available to read on EtoBox.

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In this paper, the synthesis and characterization of a triarylpyrazoline modified four-H-bonded molecular duplex are described. Its molecular structure has been confirmed by 1 H NMR and ESI-MS. The duplex emits strong pure blue light peaking at 448 and 452 nm under UV photoexcitation in solution and solid state, respectively, and its relative photoluminescence quantum efficiency in solution is determined as 0.778 using quinine sulfate as reference. In concentration of >40 mmol/L, the duplex can gelate DMSO, and the organogel formed shows good pure blue photoluminescence too. This novel duplex, for its well-defined structure and efficient photoluminescence property, is a prospective candidate for pure blue electroluminescent emitter.

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Author

Guang Dong Lei; Ming Li; De Min Qiu; Hui Liu; Yan Huang; Zhi Yun Lu

Publisher

Chinese Electronic Periodical Services; Elsevier ; Elsevier BV (ISSN 1001-8417)

Published

2009

Language

EN

Field

Chemistry (Physical Sciences)