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ON SELF-ABSORPTION CORRECTION IN EXCIMER FLUORESCENCE MEASUREMENTS OF POLYMER SOLUTIONS

ON SELF-ABSORPTION CORRECTION IN EXCIMER FLUORESCENCE MEASUREMENTS OF POLYMER SOLUTIONS
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摘要 The effect of self absorption on the ratio of excimer to monochromophore emission intensities, I-e/I-m, has been explored by experimentally changing the solution layer thickness of the emission light path traversed in the solution in the right-angle geometry. The result shows that data obtained by front-face geometry are better than those obtained by right-angle geometry even after correction to zero solution thickness. The correction formula based on geometric optics given by Tsai and Torkelson is not adequate. The effect of self absorption on the ratio of excimer to monochromophore emission intensities, I-e/I-m, has been explored by experimentally changing the solution layer thickness of the emission light path traversed in the solution in the right-angle geometry. The result shows that data obtained by front-face geometry are better than those obtained by right-angle geometry even after correction to zero solution thickness. The correction formula based on geometric optics given by Tsai and Torkelson is not adequate.
出处 《Chinese Journal of Polymer Science》 SCIE CAS CSCD 2000年第5期465-468,共4页 高分子科学(英文版)
基金 This work was supported by the National Key Projects for Fundamental Research, "Macromolecular Condensed State", of Ministry of Science and Technology, China.
关键词 excimer fluorescence self absorption polystyrene solution excimer fluorescence self absorption polystyrene solution
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  • 1Qian,R. and Cao,T. Polymer Communications . 1986

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