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Concentration-Dependent Fluorescence Color Tuning of the Difluoroboron Avobenzone Complex in Polymer Films
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Description
We have investigated concentration-dependent fluorescence color tuning of BF2AVB in a poly(methyl methacrylate) film. BF2AVB exhibits a color change from purple-blue to orange via green, and then crystals segregate from the polymer matrix. We analyzed the fluorescence and fluorescence excitation spectral change as a function of the BF2AVB concentration in the film. We also obtained fluorescence microscope images to confirm the miscibility and crystallization properties in the films. This originates from the aggregated state formed in the polymer matrix depending on the stacking structure of the parallel (B-phase), antiparallel (G-phase), and amorphous states. The emissive species change with increasing BF2AVB concentration. The polymer matrix isolation method enables not only directly visualization of the dynamics of the crystal formation process and Ostwald’s rule of stages by fluorescence changes, but it also enables device fabrication, such as fabrication of organic light-emitting diodes and luminescent solar concentrators.
Journal
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- Bulletin of the Chemical Society of Japan
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Bulletin of the Chemical Society of Japan 90 (6), 709-713, 2017-03-16
CHEMICAL SOC JAPAN
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Details 詳細情報について
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- CRID
- 1050845763867872384
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- NII Article ID
- 130006770649
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- NII Book ID
- AA00580132
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- ISSN
- 00092673
- 13480634
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- HANDLE
- 10091/00021202
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- NDL BIB ID
- 028285626
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- Text Lang
- en
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- Article Type
- journal article
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- Data Source
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- IRDB
- NDL Search
- Crossref
- CiNii Articles
- KAKEN
- OpenAIRE
