Enhancement of Coloring and Bleaching Rates of Photochromic WO₃ Composite Films by Adding Polyethylene Glycol
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- Miyazaki Hidetoshi
- Graduate School of Natural Science Technology, Shimane University
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- Kawakita Kaito
- Graduate School of Natural Science Technology, Shimane University
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- Nishigaichi Yutaka
- Graduate School of Natural Science Technology, Shimane University
書誌事項
- タイトル別名
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- Enhancement of Coloring and Bleaching Rates of Photochromic WO<sub>3</sub> Composite Films by Adding Polyethylene Glycol
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<p>WO3-based photochromic composite films were fabricated using a translucent urethane resin and a peroxoisopolytungstic acid - methanol solution as raw materials. Moreover, and polyethylene glycol (PEG, molecular weight 1000) was added to the composite as a sensitizer. The WO3 mean particle sizes in the obtained composite were 46–55 nm, which implies that by PEG addition caused a slight reduction in the particle size. Additionally, the coloring/bleaching rate and the transmittance module of the composite films were drastically increased by PEG addition. These improvements in photochromic properties were previously considered to be due to the effect of the particle size of WO3 particles in the composite, but were mainly assumed the effect of photoinduced electron transfer, which is caused by the presence of PEG in the composites.</p>
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 64 (5), 1020-1024, 2023-05-01
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390858829329506560
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 032803998
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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- 抄録ライセンスフラグ
- 使用不可