高等学校化学学报 ›› 1997, Vol. 18 ›› Issue (9): 1488.

• 研究简报 • 上一篇    下一篇

双偶氮染料光致增色性质及光电导性研究

张玉红, 朱龙观, 蔡国强, 马林, 俞庆森   

  1. 浙江大学化学系, 杭州 310027
  • 收稿日期:1996-08-28 出版日期:1997-09-24 发布日期:1997-09-24
  • 通讯作者: 张玉红, 女, 34岁, 博士研究生, 讲师.
  • 作者简介:张玉红, 女, 34岁, 博士研究生, 讲师.
  • 基金资助:

    浙江省自然科学基金

Synthesis, Optical Absorption and Xerographic Properties of Bisazo Pigments from 2,7-Diaminofluorenone

ZHANG Yu-Hong, ZHU Long-Guan, CAI Guo-Qiang, MA Lin, YU Qing-Sen   

  1. Department of Chemistry, Zhejiang University, Hangzhou 310027
  • Received:1996-08-28 Online:1997-09-24 Published:1997-09-24

关键词: 2, 7-二氨基芴酮, 双偶氮染料, 光致增色, 光电导性

Abstract: Several bisazo pigments were synthesized by coupling 2, 7-diaminoflurenone with avariety of 2-hydroxy-3-naphthanilides. The results of elementary analysis and iRindicatedthat the synthesis and purification were successful. The UVspectra of the pigments in DMFrevealed that the visible absorption bands of Azo-3 and Azo-4 were red-shifted obviouslywhich can be attributed to the significant conjugate effect. When the pigments in DMFwereirradiated using an infrared lamp, the properties of photochrism were observed. When theirradiation was carried out by using a high pressure mercury lamp, the absorption of thesolutions was decreased. The xerographic performence of Azo-3 in combination with two chargetransport molecules [ 4-(diethylamino) benzaldehyde diphenyl-hydrozone (DEH) and4(dimethylamino) benzaldehyde phenylnaphthylhydrozone (DENH)] was investigated. Wefound Azo-3 has a better photosensitivity by using DENHas charge transport molecule andpoly(methyl methacrylate) (PMMA) as charge blocking layer.

Key words: 2,7-Diaminofluorenone, Blsazo pigment, Photochrism, Photoconductivity

中图分类号: 

TrendMD: