Probing the Influence of the Substrate Hole Shape on the Interaction between Helium Ions and Suspended Monolayer Graphene with Raman Spectroscopy

doi:10.1021/acs.jpcc.0c10738

	Probing the Influence of the Substrate Hole Shape on the Interaction between Helium Ions and Suspended Monolayer Graphene with Raman Spectroscopy
	He, Shixuan 2,3; Xie, Wanyi 1,2; Zhang, Yongna 2; Fang, Shaoxi 1,2; Zhou, Daming 2; Gan, Jie 2; Zhang, Zhiyou 3; Du, Jinglei 3; Du, Chunlei 3; Wang, Deqiang 1,2
刊名	JOURNAL OF PHYSICAL CHEMISTRY C
	2021-01-28
卷号	125 期号:3 页码:2202-2211
ISSN号	1932-7447
DOI	10.1021/acs.jpcc.0c10738
通讯作者	Du, Chunlei(mscldu@cigit.ac.cn) ; Wang, Deqiang(dqwang@cigit.ac.cn)
英文摘要	A helium ion beam (HIB) is ideal for milling monolayer graphene in nanopore applications, but the optimizing irradiation parameter requires a comprehensive microscopic understanding of the interaction between helium ions and the suspended graphene. In this work, we investigate the influence of the substrate hole shape on the interaction between helium ions and suspended monolayer graphene on a substrate with periodic structures of different shapes. Raman spectroscopy is used to correlate the dose of HIB irradiation with engineered defects on freestanding monolayer graphene. Raman characteristics of the suspended monolayer graphene are related to the pore size and shape of the supporting substrate upon helium ion irradiation. These provide insights into the influence of the substrate hole shape on the interaction between helium ions and a freestanding graphene membrane. Our results can be used to analyze ion-membrane interactions in the other suspended monolayer two-dimensional materials for sub-nanometer precision nanopore fabrication.
资助项目	Youth Innovation Foundation of CIGIT ; Natural Science Foundation of Chongqing, China[cstc2018jcyjAX0310] ; Natural Science Foundation of Chongqing, China[cstc2018jcyjAX0308] ; Instrument development program of CAS[YZ201568]
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000614317500058
内容类型	期刊论文
源URL	[http://119.78.100.138/handle/2HOD01W0/13029]
专题	中国科学院重庆绿色智能技术研究院
通讯作者	Du, Chunlei; Wang, Deqiang
作者单位	1.Univ Chinese Acad Sci, Chongqing Sch, Chongqing 400714, Peoples R China 2.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China 3.Sichuan Univ, Coll Phys, Chengdu 610065, Sichuan, Peoples R China
推荐引用方式 GB/T 7714	He, Shixuan,Xie, Wanyi,Zhang, Yongna,et al. Probing the Influence of the Substrate Hole Shape on the Interaction between Helium Ions and Suspended Monolayer Graphene with Raman Spectroscopy[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2021,125(3):2202-2211.
APA	He, Shixuan.,Xie, Wanyi.,Zhang, Yongna.,Fang, Shaoxi.,Zhou, Daming.,...&Wang, Deqiang.(2021).Probing the Influence of the Substrate Hole Shape on the Interaction between Helium Ions and Suspended Monolayer Graphene with Raman Spectroscopy.JOURNAL OF PHYSICAL CHEMISTRY C,125(3),2202-2211.
MLA	He, Shixuan,et al."Probing the Influence of the Substrate Hole Shape on the Interaction between Helium Ions and Suspended Monolayer Graphene with Raman Spectroscopy".JOURNAL OF PHYSICAL CHEMISTRY C 125.3(2021):2202-2211.