The main study methods and present research conclusions of photofading of organic dyes were reviewed in this paper.
本文介绍了近年来国内外对于偶氮染料光致褪色的研究进展，综述了偶氮染料光褪色与偶氮键断裂机理。
2
Recent research progresses on photofading of azo dyes at home and abroad was introduced, and the photofading mechanisms at azo bond were reviewed.
本文介绍了近年来国内外对于偶氮染料光致褪色的研究进展，综述了偶氮染料光褪色与偶氮键断裂机理。
3
The transition energies and charge densities of dye molecules are calculated by modify PPP-CI method. The results show that the photofading rates are closely related to the charge densities ons…