Unique fluorescence behavior of dyes on the clay minerals surface: Surface Fixation Induced Emission (S-FIE)

[Display omitted] We have been investigating complexes composed of nano-sheet with anionic charges such as clay nanosheets and molecules such as cationic organic dyes. Photochemical properties of organic dyes are much affected by the complex formation with nano-sheet in many cases. Especially, a str...

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Bibliographic Details
Published in:Journal of photochemistry and photobiology. A, Chemistry. Chemistry., 2017-04, Vol.339, p.67-79
Main Authors: Tokieda, Daiki, Tsukamoto, Takamasa, Ishida, Yohei, Ichihara, Hiroyuki, Shimada, Tetsuya, Takagi, Shinsuke
Format: Article
Language:English
Subjects:
Clay
Clay minerals
Complex formation
Dye/clay complex
Dyes
Emission analysis
Fixation
Fluorescence
Fluorescence enhancement
Minerals
Porphyrin
S-FIE
Stilbazolium
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Summary:[Display omitted] We have been investigating complexes composed of nano-sheet with anionic charges such as clay nanosheets and molecules such as cationic organic dyes. Photochemical properties of organic dyes are much affected by the complex formation with nano-sheet in many cases. Especially, a strong fluorescence enhancement behavior of dyes was frequently observed on the nano-sheet surface. Based on the mechanism, we name this unique effect “S-Fixation Induced Emission (S-FIE)”. The examples for fluorescence enhancement are shown and the mechanism is discussed in detail.
ISSN:1010-6030
1873-2666
DOI:10.1016/j.jphotochem.2017.01.013