西北师范大学学报（自然科学版）2017，Vol.53Issue(2)：30-35,6.DOI:10.16783/j.cnki.nwnuz.2017.02.006
GO/CuO纳米复合结构的制备及场发射特性
The field emission characteristicsof a novel supported structure of GO/CuO
摘要
Abstract
Vertically aligned CuO nanosheets were prepared via a simple solvo-thermal on Cu substrate at low temperature,then,spin-coated with graphene oxide(GO) on the top of the CuO nanosheets to form a supported structure of GO/CuO.Compared with the bare CuO nanosheets,this new structure shows excellent field emission properties,such as,the turn-on electric field decrease from 2.4 V·μm-1 to 1.7 V·μm-1,the current density is increased and the emission stability is improved as well.Analysis results show that,such significant improvement can be attributed to the vertical orientation and the ultra-thin edge of the CuO nanosheets,the wrinkles and sharp protrusions of the GO,which can synergistically to form a great deal of the effective emission sites.The preparation method is very simple,efficient and economical,and has potential application value in highlight electron source as well as in vacuum nano-electronic devices of field emission.关键词
CuO纳米片/氧化石墨烯/纳米复合结构/场致电子发射Key words
CuO nanosheets/graphene oxide/nanocomposite structure/field emission分类
信息技术与安全科学引用本文复制引用
王成伟,苏小峰,陈建彪,和茹梅,李燕..GO/CuO纳米复合结构的制备及场发射特性[J].西北师范大学学报（自然科学版）,2017,53(2):30-35,6.基金项目
国家自然科学基金资助项目(11264034,11474231,11364036,11464041) （11264034,11474231,11364036,11464041）
甘肃省高等学校基本科研业务费专项基金 （）
