CaAl2O4: Eu2+, Nd3+ anti-corrosive coating and its afterglow - Catalytic process
| Autor: | Xiaowei Zhao, Mingxi Zhang, Yi Shen, Shuhao Jiang, Fengfeng Li, Fang Chen, Yong-Cheng Lin |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Materials science
Organic Chemistry Phosphor 02 engineering and technology engineering.material 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Atomic and Molecular Physics and Optics 0104 chemical sciences Electronic Optical and Magnetic Materials Corrosion Afterglow Catalysis Inorganic Chemistry Chemical engineering Coating Water environment Photocatalysis engineering Chemical stability Electrical and Electronic Engineering Physical and Theoretical Chemistry 0210 nano-technology Spectroscopy |
| Zdroj: | Optical Materials. 116:111049 |
| ISSN: | 0925-3467 |
| Popis: | This work provided an efficient strategy for degradation of organic pollutants in a bad water environment around-the-clock. In this study, a novel afterglow - catalytic system was developed, comprising Ca0.985Al2O4: 0.01Eu2+, 0.005Nd3+ coating as the light source and Ag3PO4 and Pt/Ag3PO4 as the photocatalysts. The results showed that Ca0.985Al2O4: 0.01Eu2+, 0.005Nd3+ emited a blue-violet long afterglow with the primary peak at 440 nm, which could be effectively absorbed by Ag3PO4 and Pt/Ag3PO4 photocatalysts to achieve photocatalytic function in the dark. The afterglow - catalytic activity was enhenced through modifying Nano - Pt particles on the surface of Ag3PO4. More interestingly, the chemical stability of Ca0.985Al2O4: 0.01Eu2+, 0.005Nd3+ phosphor was improved immensely by coating silicone acrylic emulsion, which could resist strong corrosion from water, acid and alkali solution for a long period. |
| Databáze: | OpenAIRE |
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