Direct imaging charge distribution in reduced graphene oxide sheets induced by isolated charges
Shen, Y; Wang, Y; Zhou, Y; Shi, AT; Hu, J; Zhang, Y; Zhang, Y (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China.
2016
发表期刊JOURNAL OF PHYSICS D-APPLIED PHYSICS
ISSN0022-3727
卷号49期号:41页码:-
文章类型期刊论文
摘要In this paper, we directly visualized the charges distributed in one-atom-thick reduced graphene oxide (rGO) sheet induced by adjacent charged rGO using a sample-charged mode scanning polarization force microscopy. We found that electron carriers could be attracted to one side of the rGO sheet and leave holes on the other side. The induced charges were distributed inhomogeneously; that is, contrary to earlier reports, the free carrier concentration was neither distributed on the ends, nor distributed uniformly on the whole rGO sheet. When the surrounding rGO sheets were injected with electrostatic charges, the motion of the charge carriers happened in the target-neutral rGO sheet simultaneously. The charges induced in the rGO sheet by isolated charges on adjacent rGO sheets decayed rapidly with the increasing of their separated distance. In addition, fine control of the distribution of the induced charges in a single rGO sheet could be realized through placing more isolated charges in the surrounding areas. These findings suggest a feasible and precise strategy for the modulation and design of local-charge-sensitive functional graphene-based systems.
关键词Reduced Graphene Oxide (Rgo) Charge Distribution Isolated Charge Charge Injection Scanning Polarization Force Microscopy (Spfm)
DOI10.1088/0022-3727/49/41/415303
收录类别SCI
语种英语
WOS记录号WOS:000385384200003
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/26478
专题中科院上海应用物理研究所2011-2018年
通讯作者Zhang, Y (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China.
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GB/T 7714
Shen, Y,Wang, Y,Zhou, Y,et al. Direct imaging charge distribution in reduced graphene oxide sheets induced by isolated charges[J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS,2016,49(41):-.
APA Shen, Y.,Wang, Y.,Zhou, Y.,Shi, AT.,Hu, J.,...&Zhang, Y .(2016).Direct imaging charge distribution in reduced graphene oxide sheets induced by isolated charges.JOURNAL OF PHYSICS D-APPLIED PHYSICS,49(41),-.
MLA Shen, Y,et al."Direct imaging charge distribution in reduced graphene oxide sheets induced by isolated charges".JOURNAL OF PHYSICS D-APPLIED PHYSICS 49.41(2016):-.
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