Field emission characteristics of graphene oxide coated CuO cathode - Details

author：

Yu, W. (Yu, W..) ^[1] | Zhang, D. (Zhang, D..) ^[2] | Huang, H. (Huang, H..) ^[3] | Hu, H. (Hu, H..) ^[4]

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Abstract：

Graphene　oxide　(GO)　coated　CuO　nanoswire　arrays　have　been　prepared　on　Cu　substrate　as　field　emission　cathodes.　CuO　were　grown　on　Cu　substrates　by　a　low-temperature　hydrothermal　process　and　the　covering　of　GO　sheets　was　carried　out　using　an　electrostatic　self-assembly　method.　The　field　emission　(FE)　investigation　of　GO/CuO　cathode　showed　a　low　turn-on　field　(4.5　V/　μ　m)　and　high　enhancement　factor　(1190)　compared　to　those　of　pure　CuO.　The　GO/CuO　composite　nanostructures　are　promising　field　emission　cathodes　in　FE　application.　©　2015　IEEE.

Keyword：

electrostatic self-assembly; Field-emission; GO/CuO composite

Community：

[ 1 ] [Yu, W.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350000, China
[ 2 ] [Zhang, D.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350000, China
[ 3 ] [Huang, H.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350000, China
[ 4 ] [Hu, H.]College of Physics and Information Engineering, Fuzhou University, Fuzhou, 350000, China

Reprint 's Address：

[Hu, H.]College of Physics and Information Engineering, Fuzhou UniversityChina

Email：

huhl@fzu.edu.cn

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Source ：

IVNC 2015 - Technical Digest: 28th International Vacuum Nanoelectronics Conference

Year： 2015

Page： 128-129

Language： English

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