Citation: Guang Dong Lei, Ming Li, De Min Qiu, Hui Liu, Yan Huang, Zhi Yun Lu. Novel four-hydrogen-bond assembled oligoamide dimer with pyrazoline moieties and its photoluminescent propertie[J]. Chinese Chemical Letters, ;2009, 20(12): 1419-1422. doi: 10.1016/j.cclet.2009.06.034 shu

Novel four-hydrogen-bond assembled oligoamide dimer with pyrazoline moieties and its photoluminescent propertie

Guang Dong Lei ^a, ,
Ming Li ^b ,
De Min Qiu ^a ,
Hui Liu ^a ,
Yan Huang ^b ,
Zhi Yun Lu ^b

a Department of Chemistry and Life Science, Neijiang Normal College, Neijiang 641112, China;
b College of Chemistry, Sichuan University, Chengdu 610064, China

Received Date: 7 April 2009

Fund Project: Sichuan Province (No.2006j13-141)and the National Natural Science Foundation of China (No.20672076).This work was financially supported by the Foundation of Science and Technology Bureau

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 ¹H 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 andefficient photoluminescence property, is a prospective candidate for pure blue electroluminescent emitter.
- Self-assembly,
- H-bond,
- Pyrazoline,
- Photoluminescence,
- Organogel
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