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菁染料和份菁染料薄膜的光稳定性研究 被引量:2

THE PHOTOSTABILITY OF CYANINE DYES AND MEROCYANINE DYES IN THIN FILMS
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摘要 利用UV Vis吸收光谱仪和光化学反应器研究了菁染料和份菁染料薄膜的光降解动力学 .与相应的份菁染料相比 ,携带正电荷的菁染料薄膜具有相对较好的光稳定性 .运用量子化学中的SCF MO PM3方法 ,全优化计算了这些染料的分子几何构型和电子结构 。 The photodegradation kinetics of cyanine dyes and merocyanine dyes in thin films has been studied by UV Vis absorption spectroscopy.Those cyanine dyes holding a positive charge in thin films have relative good photostability comparing with merocyanines in thin films.The relationship between photostability and chemical structure of dyes has been elucidated by SCF MO PM3 calculations.
出处 《感光科学与光化学》 SCIE EI CAS CSCD 北大核心 2002年第1期10-18,共9页 Photographic Science and Photochemistry
基金 国家自然科学基金资助项目 ( 2 9836150 )
关键词 菁染料 光稳定性 份菁染料 量子化学计算 薄膜 光降解 动力学 分子结构 cyanine dyes photostability merocyanine dyes SCF MO PM3 calculations
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