文献类型：期刊文献

英文题名：1,8-Naphthalimides for non-doping OLEDs: the tunable emission color from blue, green to red

作者：Gan, Jia-An[1]; Song, Qun Liang[2]; Hou, Xiao Yuan[2]; Chen, Kongchang[1]; Tian, He[1]

机构：[1]E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China;[2]Fudan Univ, Natl Key Lab, Surface Phys Lab, Shanghai 200433, Peoples R China

年份：2004

卷号：162

期号：2-3

起止页码：399

外文期刊名：JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY

收录：;EI(收录号：20242616559709);WOS:【SCI-EXPANDED(收录号:WOS:000220468500021)】；

语种：英文

外文关键词：1,8-naphthalimide; organic light-emitting diodes; electroluminescence

摘要：Substitution at the 4-position of 1,8-naphthalimide with electron-donating groups can increase fluorescent quantum yields and change emissive wavelengths from blue to red. Based on this molecular design concept, novel naphthalimide derivatives containing Schiff base moiety were prepared by condensing 4-hydrazino-1,8-naphthalimides with the aldehydes. Amino conjugation between the 4-amino-1,8naphthalimide and the substituted moiety resulted in red shift of the absorption and fluorescence maximum wavelengths in the acetonitrile solution and in the net solid film. In the meantime, concentration-quenching effect of fluorescence for common luminescent materials was avoided. Some of these dyes emit brilliant red fluorescence in solid films and were used as non-doping emissive materials to fabricate electroluminescence devices. Based on these results, guidelines for the molecular design of non-doping red emissive materials for OLED applications are presented in this paper. (C) 2004 Elsevier B.V. All rights reserved.