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Amorphous carbon coating for improving field emission performances of SiC nanowire core

Journal of Materials Chemistry C

2015, 3(3): 658-663.

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forward7760: ½ð±Ò+10 2015-04-13 10:17:19
sunshan4379: LS-EPI+1, ¸ÐлӦÖú£¡ 2015-04-13 10:52:57
Amorphous carbon coating for improving the field emission performance of SiC nanowire cores
×÷Õß:Zhang, M (Zhang, M.)[ 1 ] ; Li, ZJ (Li, Z. J.)[ 1 ] ; Zhao, J (Zhao, J.)[ 1 ] ; Gong, L (Gong, L.)[ 1 ] ; Meng, AL (Meng, A. L.)[ 2 ] ; Liu, XL (Liu, X. L.)[ 1 ] ; Fan, XY (Fan, X. Y.)[ 3 ] ; Qi, XL (Qi, X. L.)[ 1 ]
JOURNAL OF MATERIALS CHEMISTRY C
¾í: 3  ÆÚ: 3  Ò³: 658-663
DOI: 10.1039/c4tc01658k
³ö°æÄê: 2015
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Decorating silicon carbide nanowires with a low work function material is a simple and effective strategy to improve their field emission performance. In the present work, amorphous carbon (a-C) coatings have been successfully decorated onto the surface of SiC nanowires via chemical vapor reaction (CVR) using the Fe-Ni bibasic catalyst. Field emission measurements suggest that the resultant products have an excellent performance with a low turn-on field of 0.5 V mu m(-1) and a low threshold field of 2.1 V mu m(-1), indicating their enormous potential for applications in electron emitter fields. A novel electronic transport mechanism was first proposed to explain the improvement in the field emission performances, and the method and growth mechanism could be an effective clue and example for the synthesis of other coaxial nanostructures.
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KeyWords PlusIAMOND-LIKE CARBON; SILICON-CARBIDE; 3C-SIC NANONEEDLES; FT-IR; GROWTH; HETEROJUNCTIONS; NANOSTRUCTURES; NANOCABLES; MORPHOLOGY; NANOTUBES
×÷ÕßÐÅÏ¢
ͨѶ×÷ÕßµØÖ·: Li, ZJ (ͨѶ×÷Õß)
ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ        Qingdao Univ Sci & Technol, Coll Elect Engn, Key Lab Polymer Mat Adv Mfg Technol Shandong Prov, Qingdao 266061, Shandong, Peoples R China.
µØÖ·:
ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ        [ 1 ] Qingdao Univ Sci & Technol, Coll Elect Engn, Key Lab Polymer Mat Adv Mfg Technol Shandong Prov, Qingdao 266061, Shandong, Peoples R China
ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ        [ 2 ] Qingdao Univ Sci & Technol, Coll Chem & Mol Engn, State Key Lab Base Ecochem Engn, Qingdao 266042, Shandong, Peoples R China
ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ        [ 3 ] Qingdao Univ Sci & Technol, Dept Math & Phys, Qingdao 266061, Shandong, Peoples R China
µç×ÓÓʼþµØÖ·:zjli126@126.com; mengalan@126.com
»ù½ð×ÊÖúÖÂл
»ù½ð×ÊÖú»ú¹¹        ÊÚȨºÅ
National Natural Science Foundation of China        
51272117
51172115
Natural Science Foundation of Shandong Province        
ZR2011EMZ001
ZR2011EMQ011
ZR2013EMQ006
Research Award Fund for Outstanding Young Scientists of Shandong Province        
BS2013CL040
Specialized Research Fund for the Doctoral Program of Higher Education of China        
20123719110003
Tackling Key Program of Science and Technology in Shandong Province        
2012GGX10218
Application Foundation Research Program of Qingdao        
13-1-4-117-jch
²é¿´»ù½ð×ÊÖúÐÅÏ¢   
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ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND
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Ñо¿·½Ïò:Materials Science; Physics
Web of Science Àà±ð:Materials Science, Multidisciplinary; Physics, Applied
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ÎÄÏ×ÀàÐÍ:Article
ÓïÖÖ:English
Èë²ØºÅ: WOS:000346569700022
ISSN: 2050-7526
eISSN: 2050-7534
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Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports®
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