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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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3Â¥2015-04-13 09:57:44
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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 ²é¿´ÆÚ¿¯ÐÅÏ¢ ÕªÒª 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. ¹Ø¼ü´Ê KeyWords Plus IAMOND-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¢ ³ö°æÉÌ ROYAL SOC CHEMISTRY, THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND Àà±ð / ·ÖÀà Ñо¿·½Ïò:Materials Science; Physics Web of Science Àà±ð:Materials Science, Multidisciplinary; Physics, Applied ÎÄÏ×ÐÅÏ¢ ÎÄÏ×ÀàÐÍ:Article ÓïÖÖ:English Èë²ØºÅ: WOS:000346569700022 ISSN: 2050-7526 eISSN: 2050-7534 ÆÚ¿¯ÐÅÏ¢ Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports® ÆäËûÐÅÏ¢ IDS ºÅ: AW9ID Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 42 Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0 |

2Â¥2015-04-13 09:57:25













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IAMOND-LIKE CARBON; SILICON-CARBIDE; 3C-SIC NANONEEDLES; FT-IR; GROWTH; HETEROJUNCTIONS; NANOSTRUCTURES; NANOCABLES; MORPHOLOGY; NANOTUBES
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