纳米氧化铬制备方法研究进展  

Research progress on preparation of nano-sized chromic oxide

作　　者：王孝华[1] 

机构地区：[1]重庆交通大学理学院,重庆400074

出　　处：《无机盐工业》2009年第12期5-7,35,共4页Inorganic Chemicals Industry

摘　　要：纳米氧化铬具有熔点高、硬度大、高耐磨、耐腐蚀等特点,是目前正在开发并具有广阔应用前景的纳米材料。综述了纳米氧化铬的各种制备方法,包括固相法(固相反应法、机械化学法)、液相法(微乳液法、溶胶-凝胶法、超临界流体脱溶法、辐射化学合成法、水热法、沉淀法)、气相法(气相冷凝法、化学气相沉积法、物理气相沉积法、激光诱导热解法),以及热喷涂法和相转移法,并对各种制备方法的优缺点进行了简单比较。概述了纳米氧化铬的发展趋势及应用前景。With high melting point,hardness,wear resistance,anti-corrosion,and other advantages,nano-sized chromic oxide（Cr2O3） is currently being developed and has a broad application prospect.Various preparation methods,including solid-phase methods（solid phase reaction method and mechano-chemical method）,liquid-phase methods（micro-emulsion method,sol-gel method,supercritical fluid desolventizing method,radiation chemical synthesis method,hydrothermal me-thod,and deposition method）,vapor-phase methods [vapor condensation method, chemical vapor deposition method （ CVD ） , physical vapor deposition method （ PVD ） , and laser - induced pyrolysis method ] , thermal spray method, and phase-transfer method of nano-sized chromic oxide were introduced. Advantages and disadvantages of those methods were briefly compared. Development trend and application prospect of nano-sized chromic oxide were described.

关 键 词：纳米氧化铬 机械化学法 超临界流体脱溶法 化学气相沉积法 热喷涂法 

分 类 号：TQ136.11[化学工程—无机化工]