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Low‐Temperature Synthesis of Mesoporous SiC Hollow Spheres by Magnesiothermic Reduction
Author(s) -
An Weili,
Su Jianjun,
Chen Zhendong,
Gao Biao,
Zhang Xuming,
Peng Xiang,
Peng Shunjin,
Fu Jijiang,
Chu Paul K
Publication year - 2016
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/jace.14208
Subject(s) - mesoporous material , materials science , silicon carbide , microstructure , ceramic , chemical engineering , carbide , thermal stability , adsorption , carbon fibers , mesoporous organosilica , nanotechnology , specific surface area , composite material , mesoporous silica , organic chemistry , chemistry , catalysis , composite number , engineering
Mesoporous silicon carbide hollow spheres (SiC‐ HS ) with a large specific surface area (690.2 m 2 g −1 ) are synthesized at a relatively low temperature of 650°C by magnesiothermic reduction using the template of carbon‐coated mesoporous silica hollow spheres and molten salt as the heat absorbent and solvent. The mesoporous SiC‐ HS comprising many small primary crystals (2–4 nm) with a well‐maintained microstructure have good thermal stability and adsorption ability, and are promising as adsorbents to remove organic pollution from water. The synthesis technique can be extended to other nanostructured carbide ceramic materials.

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