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Citation: SONG Bo, WANG Xiaohui, LIU Yongqiang, MA Wenhui. Photofading Behaviors of Squarylium Indocyanine Dyes in Different Surfactants' Aqueous Solutions[J]. Chinese Journal of Applied Chemistry, ;2012, 29(6): 721-723. doi: 10.3724/SP.J.1095.2012.00567 shu

Photofading Behaviors of Squarylium Indocyanine Dyes in Different Surfactants' Aqueous Solutions

1.
College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar 161006, China

Corresponding author: SONG Bo,
Received Date: 23 December 2011
Available Online: 7 February 2012
Fund Project: 黑龙江省教育厅资助项目(12521602) (12521602)

Photofading behaviors of four water-soluble symmetrical squarylium indocyanine dyes with various substituents at N atom in aqueous solution containing different surfactants such as cetyltrimethylammonium bromide(CTAB),sodium dodecyl sulfate(SDS) and Triton X-100(TX-100) were investigated,respectively.The results showed that the effect of surfactants on photofading behaviors of dyes follows an order of CTAB >TX-100 >SDS.The dye with carboxyl group was affected most dramatically.At low concentration of CTAB,photofading degree of the dyes was increased with increasing concentration of CTAB.With the formation of micelles,photofading degree of the dyes was reduced with increasing concentration of CTAB.
- cyanine dye,
- squarylium dye,
- surfactant,
- photofading behavior
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