碳纳米管场发射冷阴极材料的研究进展Research development of carbon nanotube cold cathode material for field emission
秦玉香;胡明;李海燕;
摘要(Abstract):
碳纳米管(CNTs)具有低的阈值电场和高的发射电流密度,是一种性能优良的冷阴极材料,在平面显示领域具有潜在的应用价值。根据显示器件的特性,详细论述了CNTs冷阴极材料的场发射特性以及各种因素包括CNTs的定向性、层结构、几何特征、阵列密度、系统真空度以及CNTs与基底材料之间的键合等对场发射性能的影响;介绍了图形化CNTs冷阴极的常用制作工艺;对目前存在的问题进行了分析。
关键词(KeyWords): 碳纳米管;薄膜;场发射特性;冷阴极
基金项目(Foundation): 天津市自然科学基金重点资助项目(05YFZJC00200)
作者(Author): 秦玉香;胡明;李海燕;
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