1,4-双(4′-N,N-二甲基氨基苯乙烯基)萘的合成及荧光性质

doi:10.7517/j.issn.1674-0475.2003.04.255

影像科学与光化学 ›› 2003, Vol. 21 ›› Issue (4): 255-261.DOI: 10.7517/j.issn.1674-0475.2003.04.255

1,4-双(4′-N,N-二甲基氨基苯乙烯基)萘的合成及荧光性质

闻荻江, 王筱梅, 潘科君, 施琴芬, 刘国华

苏州大学, 材料工程学院, 苏州, 215021

收稿日期:2003-04-07 修回日期:2003-05-12 出版日期:2003-07-23 发布日期:2003-07-23
通讯作者: 闻荻江(1945-), 男, 苏州大学材料工程学院博士生导师, 从事新型功能材料的研究.

SYNTHESIS AND FLUORESCENCE PROPERTIES OF A NEW GREEN-EMISSION ORGANIC COMPOUND:1,4-BIS(4′-N,N-DIMETHYL STYRYL)NAPHTHALENE

WEN Di-jiang, WANG Xiao-mei, PAN Ke-jun, SHI Qin-fen, LIU Guo-hua

Material Engineering Institute of Soochow University, Suzhou 215021, P.R. China

Received:2003-04-07 Revised:2003-05-12 Online:2003-07-23 Published:2003-07-23

摘要/Abstract

摘要： 利用Wittig反应合成了一个以萘为π-Center的对称型“D-π-D”有机绿色发光化合物1,4 双(4′-N,N-二甲基氨基苯乙烯基)萘(BDASN),并测试了其在不同环境中的光谱性质.在378nm激发波长的激发下,BDASN显示出很强的荧光发射峰,峰位在521nm(CH₂Cl₂).随着溶剂极性增大,最大发射波长红移且荧光强度降低,与“D-π-A”分子具有相似的分子内电荷转移(TICT)行为.在β-环糊精(β-CD)中BDASN的绿色发光带被猝灭,同时在450nm附近蓝发光带的荧光强度骤增.

关键词: 1,4-双(4′-N,N-二甲基氨基苯乙烯基)萘, 荧光性质, β-环糊精

Abstract: A symmetrical green-emission organic compound:1,4 bis (4′-N,N-dimethyl styryl)naphthalene(BDASN)with strong green-emission was synthesized and characterized by mass spectrum and ¹HNMR spectrum.The results show that the maximum fluorescence wavelength of BDASN solution is red-shifted from 459 nm to 541 nm when the polarity of solvents are increased under the excitation of 378 nm.It is interesting that the green-emission band about 530 nm in DMF is quenched,meanwhile,the blue emission band about 450 nm appeared at the present of β-CD(β-cyclodextrim),suggesting that labled compound has sensitve to the micro circumstance and has potential application for fluorescence probe.

Key words: 1,4-bis(4′-N,N-dimethyl styryl)naphthalene, fluorescence, β-CD

中图分类号:

闻荻江, 王筱梅, 潘科君, 施琴芬, 刘国华. 1,4-双(4′-N,N-二甲基氨基苯乙烯基)萘的合成及荧光性质[J]. 影像科学与光化学, 2003, 21(4): 255-261.

WEN Di-jiang, WANG Xiao-mei, PAN Ke-jun, SHI Qin-fen, LIU Guo-hua. SYNTHESIS AND FLUORESCENCE PROPERTIES OF A NEW GREEN-EMISSION ORGANIC COMPOUND:1,4-BIS(4′-N,N-DIMETHYL STYRYL)NAPHTHALENE[J]. Imaging Science and Photochemistry, 2003, 21(4): 255-261.

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1,4-双(4′-N,N-二甲基氨基苯乙烯基)萘的合成及荧光性质

SYNTHESIS AND FLUORESCENCE PROPERTIES OF A NEW GREEN-EMISSION ORGANIC COMPOUND:1,4-BIS(4′-N,N-DIMETHYL STYRYL)NAPHTHALENE

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