Synthesis and field emission properties of hand-like Bi2O 3 microcrystals - Details

author：

Lin, J.Y. (Lin, J.Y..) ^[1] | Zhang, Y.A. (Zhang, Y.A..) ^[2] | Wang, L.J. (Wang, L.J..) ^[3] | Yang, L. (Yang, L..) ^[4] | Guo, T.L. (Guo, T.L..) ^[5]

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Abstract：

A　simple　solution　chemical　route　for　bulk　synthesis　of　hand-like　Bi　2O3　microcrystals　has　been　demonstrated.　The　microcrystals　are　assembled　by　several　short　rods　that　have　a　diameter　in　the　range　of　50-500　nm,　and　a　length　in　the　range　of　1-20　μm.　X-ray　diffraction　(XRD)　analysis　and　scanning　electron　microscopy　(SEM)　were　employed　to　characterize　the　structure　and　morphology　of　these　novel　structures.　The　field　emission　of　the　sample　started　at　a　turn-on　field　of　2.1　V/μm　at　a　current　density　of　0.1　μA/cm2,　while　the　emission　current　density　reached　about　0.1mA/cm2　at　an　applied　field　of　5.5　V/μm.　These　results　suggest　that　hand-like　Bi2O3　microcrystals　can　be　an　excellent　FE　material　candidate.　©　(2011)　Trans　Tech　Publications.

Keyword：

Bismuth compounds Field emission Microcrystals Optoelectronic devices Scanning electron microscopy X ray diffraction analysis

Community：

[ 1 ] [Lin, J.Y.]Institute of Photoelectronics and Display Technology, Fuzhou University, Fuzhou, Fujian, 350002, China
[ 2 ] [Lin, J.Y.]Department of Electronic Information and Electrical Engineering, Fujian University of Technology, Fuzhou, Fujian, 350108, China
[ 3 ] [Zhang, Y.A.]Institute of Photoelectronics and Display Technology, Fuzhou University, Fuzhou, Fujian, 350002, China
[ 4 ] [Wang, L.J.]Institute of Photoelectronics and Display Technology, Fuzhou University, Fuzhou, Fujian, 350002, China
[ 5 ] [Yang, L.]Institute of Photoelectronics and Display Technology, Fuzhou University, Fuzhou, Fujian, 350002, China
[ 6 ] [Guo, T.L.]Institute of Photoelectronics and Display Technology, Fuzhou University, Fuzhou, Fujian, 350002, China

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lin1299217@163.com

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Source ：

ISSN： 0255-5476

Year： 2011

Volume： 663-665

Page： 50-53

Language： English

0 . 3 9 9

JCR@2005

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SCOPUS Cited Count： 1

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 1

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