Synthesis of nanoporous silicon carbide ceramics by thermal evaporation process

Release time:2024-08-09  Hits:

• Affiliation of Author(s):材料科学与工程学院
• Journal:Applied Surface Science
• Key Words:中文关键字：纳米多孔；碳化物；陶瓷；模板，英文关键字：Nanoporous; Carbide; Ceramics; Template
• Abstract:New nanoporous SiC ceramics were synthesized by a simple thermal evaporation method with commercial silicon powder and activated carbon fragments. The results of scanning electron microscopy,transmission electron microscopy, energy dispersive spectroscopy and X-ray diffraction indicated that the microstructure of the -SiC nanoporous ceramics was uniform and consistent with the pore size of 50–100 nm. The SiC nanocrystal grains of 50–200 nm were accumulated together to form a nanopore network. The formation mechanism was attributed to a template synthesis process, in which activated carbon fragments were employed as the template and they reacted with vaporized silicon through a vapor–solid way.
• Note:SCI收录
• First Author:Wei Jian
• Indexed by:Journal paper
• Volume:卷：256
• Issue:期：22
• Page Number:页：6626–6629
• Translation or Not:no
• Date of Publication:2010-09-01