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Elemental superdoping of graphene and carbon nanotubes
Liu, Yuan; Shen, Yuting; Sun, Litao; Li, Jincheng; Liu, Chang; Ren, Wencai; Li, Feng; Gao, Libo; Chen, Jie; Liu, Fuchi; Sun, Yuanyuan; Tang, Nujiang; Cheng, Hui-Ming; Du, Youwei; slt@seu.edu.cn; tangnujiang@nju.edu.cn; cheng@imr.ac.cn
2016
Source PublicationNATURE COMMUNICATIONS
ISSN2041-1723
Volume7Pages:-
AbstractDoping of low-dimensional graphitic materials, including graphene, graphene quantum dots and single-wall carbon nanotubes with nitrogen, sulfur or boron can significantly change their properties. We report that simple fluorination followed by annealing in a dopant source can superdope low-dimensional graphitic materials with a high level of N, S or B. The superdoping results in the following doping levels: (i) for graphene, 29.82, 17.55 and 10.79 at% for N-, S-and B-doping, respectively; (ii) for graphene quantum dots, 36.38 at% for N-doping; and (iii) for single-wall carbon nanotubes, 7.79 and 10.66 at% for N- and S-doping, respectively. As an example, the N-superdoping of graphene can greatly increase the capacitive energy storage, increase the efficiency of the oxygen reduction reaction and induce ferromagnetism. Furthermore, by changing the degree of fluorination, the doping level can be tuned over a wide range, which is important for optimizing the performance of doped low-dimensional graphitic materials.
description.department[liu, yuan ; gao, libo ; chen, jie ; liu, fuchi ; sun, yuanyuan ; tang, nujiang ; du, youwei] nanjing univ, nanjing natl lab microstruct, nanjing 210093, jiangsu, peoples r china ; [liu, yuan ; gao, libo ; chen, jie ; liu, fuchi ; sun, yuanyuan ; tang, nujiang ; du, youwei] nanjing univ, collaborat innovat ctr adv microstruct, nanjing 210093, jiangsu, peoples r china ; [shen, yuting ; sun, litao] southeast univ, collaborat innovat ctr micro nano fabricat device, minist educ, fei nanopico ctr,key lab mems, nanjing 210096, jiangsu, peoples r china ; [li, jincheng ; liu, chang ; ren, wencai ; li, feng ; cheng, hui-ming] chinese acad sci, shenyang natl lab mat sci, inst met res, adv carbon div, 72 wenhua rd, shenyang 110016, liaoning provin, peoples r china
Funding OrganizationState Key Program for Basic Research of China [2014CB921102, 2012CB932304]; National Natural Science Foundation of China [U1232210, 51420105003, 51221264, 51325205, 51290273, 51521091, 51172240, 11504142]; Chinese Academy of Sciences [KGZD-EW-T06]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74817
Collection中国科学院金属研究所
Corresponding Authorslt@seu.edu.cn; tangnujiang@nju.edu.cn; cheng@imr.ac.cn
Recommended Citation
GB/T 7714
Liu, Yuan,Shen, Yuting,Sun, Litao,et al. Elemental superdoping of graphene and carbon nanotubes[J]. NATURE COMMUNICATIONS,2016,7:-.
APA Liu, Yuan.,Shen, Yuting.,Sun, Litao.,Li, Jincheng.,Liu, Chang.,...&cheng@imr.ac.cn.(2016).Elemental superdoping of graphene and carbon nanotubes.NATURE COMMUNICATIONS,7,-.
MLA Liu, Yuan,et al."Elemental superdoping of graphene and carbon nanotubes".NATURE COMMUNICATIONS 7(2016):-.
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