摘要
SnO_2为N型半导体结构,是一种优良的气敏和湿敏材料。介绍了纳米SnO_2的主要用途以及电弧气相法、溶胶-凝胶法、水热反应法和机械化学法等制备技术,探讨了SnO_2的气敏机理,包括晶体尺寸效应和掺杂效应,并指出了纳米SnO_2的发展前景。
Tin oxide is an N-type semiconductor and excellent gas sensor and humidity sensor material. The main applications of nanosized tin oxide are described and the preparation methods are summarized,such as electrical arc gas-phase method, sol-gel process, hydrothermal synthesis and mechanochemical technique, etc. The gas sensing mechanism related to crystal size effect and doping effect are discussed. Development prospects are also analyzed.
出处
《材料导报》
EI
CAS
CSCD
2003年第5期36-38,84,共4页
Materials Reports
基金
湖南省优秀博士学位论文基金(No.200114)
