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Novel superhydrophobic energy-saving window coatings based on F-Nb-TiO2/SiO2 composites
被引:3
|作者:
Gao, Qiang
[1
]
Wu, Xiaomei
[1
]
Ma, Xiangsheng
[1
]
机构:
[1] South China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510641, Peoples R China
基金:
中国国家自然科学基金;
关键词:
Doped TiO 2;
Coating;
NIR shielding;
Energy-saving windows;
Self-cleaning;
Superhydrophobic;
NANOCRYSTALS;
NANOPARTICLE;
PERFORMANCE;
PROPERTY;
ABILITY;
D O I:
10.1016/j.ceramint.2023.11.022
中图分类号:
TQ174 [陶瓷工业];
TB3 [工程材料学];
学科分类号:
0805 ;
080502 ;
摘要:
Series of novel energy-saving window coatings based on F-Nb-TiO2/SiO2 nanocomposites with superhydrophobic self-cleaning performance were successfully prepared. Surface modification of F-Nb-TiO2 and SiO2 nanoparticles by aminopropyl triethoxy silane and perfluorooctyltriethoxysilane produced hydrophobic powders. With the help of the hierarchical structures of F-Nb-TiO2/SiO2 nanocomposites, superhydrophobic surfaces were obtained. The water contact angle of the composite coatings reached 155.6 degrees. The prepared superhydrophobic coatings shown superior anti-fouling property and good mechanical performance. Furthermore, the composite coating can shield most of solar radiation. The composite coating lowed the air temperature of the simulate house by 11 degrees C in the outdoor thermal experiments. The integration of good solar filtration and exceptional anti-fouling performance makes F-Nb-TiO2/SiO2 coatings suitable candidates for energy-saving window coatings.
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页码:3299 / 3306
页数:8
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