陕西科技大学学报(自然科学版)2008,Vol.26Issue(5):6-9,4.
气相SiO和竹材生物模板制备SiC纳米线
SiC NANOWIRES PREPARED FROM GASEOUS SiO AND BAMBOO BIOTEMPLATES
摘要
Abstract
Bamboo has been converted to a porous biotemplate by annealing in an inert atmosphere above 1 000 ℃. Carbothermal reduction of the gaseous SiO at 1 300 ℃ resulted in the formation of SiC nanowires. Microstructure characterization of the SiC nanowires was carried out by X-ray diffraction (XRD),transmission electron microscopy (TEM) and scanning electron microscopy (SEM). XRD analysis showed that the reaction product is crystalline β-SiC. The diameter and the length of the SiC nanowires is ranging from 20~70 nm and 10~20 μm. Most of the SiC nanowires possess a straight and a smooth morphology. SiC nanowires have a preferential growth axis parallel to the [111] direction.关键词
碳热还原反应/SiC纳米线/微观形貌Key words
carbothermal reduction/SiC nanowires/microstructure分类
化学工程引用本文复制引用
李翠艳,黄剑锋,卢靖,杨长安..气相SiO和竹材生物模板制备SiC纳米线[J].陕西科技大学学报(自然科学版),2008,26(5):6-9,4.基金项目
教育部博士学科点专项基金(20070708001),陕西科技大学自然科学基金(ZX07-15) (20070708001)