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CHEN YUFEI1,2,* , DAI QIWANG2, TAN JUNYAN2, ZHANG QINGYU2
Nano-Al2O3 was modified by supercritical ethanol and supercritical water, respectively. The mechanism between supercritical fluid and nano-Al2O3 was analyzed, and the microstructure of nano-Al2O3 was investigated. The mechanism between supercritical fluid and nano-Al2O3 was that the hydrogen bond between the molecules of fluid became attenuating, when the fluid was in the supercritical state. The surface of nano-Al2O3 was coated with fluid molecules through the bonding between the hydroxyl of nano-Al2O3 and fluid molecules. The effect of surface modification of nano-Al2O3 was the best when the nano-Al2O3 was modified by supercritical ethanol and the processing time was 5min..
Supercritical water, Supercritical ethanol, Hydrogen bond, Nano-Al2O3.
CHEN YUFEI, DAI QIWANG, TAN JUNYAN, ZHANG QINGYU, Study on nano-Al2O3 modified by supercritical fluid, Optoelectronics and Advanced Materials - Rapid Communications, 8, 9-10, September-October 2014, pp.925-929 (2014).
Submitted at: June 20, 2014
Accepted at: Sept. 11, 2014
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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