Improved Field Emission Properties of Multidimensional Graphene-Nanotube Emitters Decorated With Au Nanoparticles

被引：10
|
作者：
Xu, Ji [1 ]
Wang, Qilong [1 ]
Jia, Ruoxue [1 ]
Qi, Zhiyang [1 ]
Zhai, Yusheng [1 ]
Zhang, Xiaobing [1 ]
机构：
[1] Southeast Univ, Sch Elect Sci & Engn, Nanjing 210096, Jiangsu, Peoples R China
来源：
IEEE ELECTRON DEVICE LETTERS | 2015年 / 36卷 / 07期
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
Graphene; carbon nanotubes; Au nanoparticles; field emission; CARBON NANOTUBES; ELECTRON-EMISSION;
D O I：
10.1109/LED.2015.2438006
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Improved field emission properties are demonstrated based on the multidimensional graphene-carbon nanotube (G-CNT) emitters decorated with gold nanoparticles (AuNPs). Chemical vapor deposition and screen printing are adopted to prepare the complex structures of G-CNT emitters. The AuNPs decoration of the emitters is implemented by the thermal evaporation and rapid thermal annealing of the Au film. Experimental results reveal that the proposed field emitters can supply a peak current of >17 mA with the current density of 556.05 mA/cm(2). G-CNTs retain the turn-ON electric field that is <0.998 V/mu m, and the emission has been proved to be very stable.
引用
收藏
页码：723 / 725
页数：3
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