影像科学与光化学 ›› 1995, Vol. 13 ›› Issue (2): 136-143.DOI: 10.7517/j.issn.1674-0475.1995.02.136

• 研究论文 • 上一篇    下一篇

多甲川键菁染料光氧化机理研究

曾万学1, 陈萍1, 郑德水1, 冈崎庸树2, 速水正明2   

  1. 1. 中国科学院感光化学研究所, 北京100101;
    2. 日本感光色素研究所
  • 收稿日期:1994-08-29 修回日期:1995-01-12 出版日期:1995-05-20 发布日期:1995-05-20
  • 通讯作者: 陈萍
  • 基金资助:
    国家自然科学基金

STUDY ON THE PHOTO OXIDATlON MECHANlSMOF POLYMETHYLENE CHAIN CYANINE DYES

ZENG WAN-XUZ1, CHEN PING1, ZHENG DE-SHUI1, TSUNEKI OKASAKI2, MASAAKI HAYAMI2   

  1. 1. Institute of Photographar Chemistry, The Chinese Academy of Sciences, Beijing 100101, P. R. China;
    2. Nippon Kankon-Shikiso Kenkyusho, Okayama 701, Japan
  • Received:1994-08-29 Revised:1995-01-12 Online:1995-05-20 Published:1995-05-20

摘要: 本文利用紫外-可见吸收光谱法、顺磁共振(ESR)法系统地研究了多甲川键菁染料光氧化反应机理,结果表明,单线态氧(1O2)、超氧阴离子(O2是导致染料光褪色的主要因素,而在没有氧气存在下,Dye也促使染料光褪色。

关键词: 多甲川键菁染料, 光氧化, 单线态氧, 超氧阴离子

Abstract: In this paper, the photcoxidation mechanisms of polymethylene chain cyanine dyes were studied by U-V spectroscopy and Electron Spin Resonance (ESR). It was revealed that singlet oxygen (1O2)、 superoxide were the main factors causing the photofading of dyes ,and dye- would cause the photofading of dyes without oxygen.

Key words: polymethylene chain cyanine dye, photooxidation, singlet oxygen, superoxide