光谱学与光谱分析 |
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The Absorption Spectrum of Green-Sensitive Cyanine Dyes J-Aggregate Adsorbed on Silver Chloride Microcrystals |
ZHANG Ji-xian, LI Xiao-wei*, ZHANG Rong-xiang, LAI Wei-dong, ZHAO Xiao-hui |
College of Physics Science and Technology, Hebei University, Baoding 071002, China |
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Abstract The silver chloride microcrystals emulsion which are sensitized by the adsorbed green-sensitive cyanine dye of different concentration, was studied by using the absorption spectrum. The experiments show that when the sensitizing concentration is less than 0.02 mL(5.0 mg·mL-1)/40 g emulsion, the dye J-aggregate is not formed on the surface of silver chloride microcrystals; when the dye concentration is more than 0.2 mL(5.0mg·mL-1/40 g emulsion, the dye J-aggregate is formed on the surface of silver chloride microcrystals; compare to the M-state of dye, the maximal absorption peak of J-aggregate shifted to a longer wavelength by about 50 nm. It was found, when the J-aggregate is formed, the absorption in the wavelength range of more than 450 nm is increased.
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Received: 2005-09-28
Accepted: 2005-12-06
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Corresponding Authors:
LI Xiao-wei
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Cite this article: |
ZHANG Ji-xian,LI Xiao-wei,ZHANG Rong-xiang, et al. The Absorption Spectrum of Green-Sensitive Cyanine Dyes J-Aggregate Adsorbed on Silver Chloride Microcrystals [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(10): 1965-1967.
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https://www.gpxygpfx.com/EN/Y2006/V26/I10/1965 |
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