| Energy band engineering via“Bite”defect located on N=8 armchair graphene nanoribbons |
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| 引用本文： | Shijie Sun,Yurou Guan,Zhenliang Hao,Zilin Ruan,Hui Zhang,Jianchen Lu,Lei Gao,Xiaoqing Zuo,Jinming Cai. Energy band engineering via“Bite”defect located on N=8 armchair graphene nanoribbons[J]. Nano Research, 2022, 0(1): 653-658 |
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| 作者姓名： | Shijie Sun Yurou Guan Zhenliang Hao Zilin Ruan Hui Zhang Jianchen Lu Lei Gao Xiaoqing Zuo Jinming Cai |
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| 作者单位： | Faculty of Materials Science and Engineering;Faculty of Science |
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| 基金项目： | support by the National Natural Science Foundation of China(Nos.11674136,61901200,51662023,and 51861020);The National Recruitment Program for Young Professionals(No.1097816002);Yunnan Province for Recruiting High-Caliber Technological Talents(No.1097816002);reserve talents for Yunnan young and middle aged academic and technical leaders(No.2017HB010);the Yunnan Province Science and Technology Plan Project(No.2019FD041).Strategic Priority Research Program of Chinese Academy of Sciences(No.XDB30010000). |
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| 摘 要： | Graphene nanoribbons(GNRs)not only share many superlative properties of graphene but also display an exceptional degree of tunability of their electronic properties.The bandgaps of GNRs depend greatly on their widths,edges,etc.Herein,we report the synthesis path and the physical properties of atomic accuracy staggered narrow N=8 armchair graphene nanoribbons(sn-8AGNR)with alternating"Bite"defects on the opposite side.The intermediate structures in the surface physicochemical reactions from the precursors to the sn-8AGNR are characterized by scanning tunneling microscopy.The electronic properties of the sn-8AGNR are characterized by scanning tunneling spectroscopies and 6//6V mappings.Compared with the perfect N=8 armchair graphene nanoribbons(8AGNR),the sn-8AGNR has a larger bandgap,indicating that the liBXen edges can effectively regulate the electronic structures of GNRs.
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| 关 键 词： | graphene nanoribbons(GNRs) scanning tunneling spectroscopy(STS) non-contact atomic force microscopy(NC-AFM) density functional theory(DFT) energy band regulation |
Energy band engineering via"Bite"defect located on N=8 armchair graphene nanoribbons |
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| Shijie Sun,Yurou Guan,Zhenliang Hao,Zilin Ruan,Hui Zhang,Jianchen Lu,Lei Gao,Xiaoqing Zuo,Jinming Cai. Energy band engineering via"Bite"defect located on N=8 armchair graphene nanoribbons[J]. Nano Research, 2022, 0(1): 653-658 |
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| Authors: | Shijie Sun Yurou Guan Zhenliang Hao Zilin Ruan Hui Zhang Jianchen Lu Lei Gao Xiaoqing Zuo Jinming Cai |
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| Abstract: | Graphene nanoribbons(GNRs)not only share many superlative properties of graphene but also display an exceptional degree of tunability of their electronic proper... |
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