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A general strategy toward transition metal carbide/carbon core/shell nanospheres and their application for supercapacitor electrode

文献类型：期刊论文

作者Zhang, Hemin1,2,3; Liu, Jun1,2; Tian, Zhenfei1,2; Ye, Yixing1,2; Cai, Yunyu1,2; Liang, Changhao1,2; Terabe, Kazuya3
刊名CARBON
出版日期2016-04-01
卷号100期号:无页码:590-599
DOI10.1016/j.carbon.2016.01.047
文献子类Article
英文摘要A general and straightforward strategy was developed for fabricating transition metal carbide (TMC)/carbon (C) core/shell nanospheres (NSs) by laser ablation of transition metals in acetone/ethanol liquid. Various TMC/C core/shell NSs such as TaC/C, NbC/C, HfC/C, and MoC/C core/shell NSs were successfully fabricated, highlighting the generality of this method. Crucially, this approach is green, facile, catalyst-free, and especially can be operated under ambient environments. Interestingly, all of the assynthesized TMCs in the NS cores showed a cubic phase and structures similar to that of NaCl-type. The cores were further encapsulated by amorphous carbon shell with different thickness. As an example of the functional properties of these compound materials, the TaC/C core/shell NSs obtained were investigated as a supercapacitor electrode, which showed a large specific capacitance, excellent rate capability and remarkable cycling ability, revealing that the NSs could be used as new electrode materials for electrochemical energy storage. The photoluminescence of TaC/C core/shell NSs exhibited strong emission under the specific excitation wavelength at room temperature, showing potential biomedical applications due to the good biocompatibility of carbon shell. Besides, the basic physical and chemical reactions involved in the unique formation mechanism under highly nonequilibrium states induced by ultrafast laser ablation were discussed. (C) 2016 Elsevier Ltd. All rights reserved.
WOS关键词ASSISTED LASER-ABLATION ; MAGNETIC-PROPERTIES ; CARBON ; NANOPARTICLES ; LIQUID ; NANOSTRUCTURES ; NANOCRYSTALS ; PERFORMANCE ; GRAPHITE ; PENTACHLOROPHENOL
WOS研究方向Chemistry ; Materials Science
语种英语
WOS记录号WOS:000369961400066
资助机构National Nature Science Foundation ; National Nature Science Foundation ; National Nature Science Foundation ; National Nature Science Foundation ; National Nature Science Foundation ; National Nature Science Foundation ; National Nature Science Foundation ; National Nature Science Foundation ; National Nature Science Foundation ; National Nature Science Foundation ; National Nature Science Foundation ; National Nature Science Foundation ; National Nature Science Foundation ; National Nature Science Foundation ; National Nature Science Foundation ; National Nature Science Foundation ; National Key Basic Research of China(11204308 ; National Key Basic Research of China(11204308 ; National Key Basic Research of China(11204308 ; National Key Basic Research of China(11204308 ; National Key Basic Research of China(11204308 ; National Key Basic Research of China(11204308 ; National Key Basic Research of China(11204308 ; National Key Basic Research of China(11204308 ; National Key Basic Research of China(11204308 ; 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源URL[http://ir.hfcas.ac.cn/handle/334002/21163]  
专题合肥物质科学研究院_中科院固体物理研究所
作者单位1.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China
2.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Solid State Phys, Anhui Key Lab Nanomat & Nanotechnol, Hefei 230031, Peoples R China
3.Natl Inst Mat Sci NIMS, Int Ctr Mat Nanoarchitechton WPI MANA, 1-1 Namiki, Tsukuba, Ibaraki 3050044, Japan
推荐引用方式
GB/T 7714		 Zhang, Hemin,Liu, Jun,Tian, Zhenfei,et al. A general strategy toward transition metal carbide/carbon core/shell nanospheres and their application for supercapacitor electrode[J]. CARBON,2016,100(无):590-599.
APA Zhang, Hemin.,Liu, Jun.,Tian, Zhenfei.,Ye, Yixing.,Cai, Yunyu.,...&Terabe, Kazuya.(2016).A general strategy toward transition metal carbide/carbon core/shell nanospheres and their application for supercapacitor electrode.CARBON,100(无),590-599.
MLA Zhang, Hemin,et al."A general strategy toward transition metal carbide/carbon core/shell nanospheres and their application for supercapacitor electrode".CARBON 100.无(2016):590-599.

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来源：合肥物质科学研究院

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