Suspended nanoporous graphene produced by swift heavy ion bombardment

被引：8

作者：

Ivekovic, D. ^{[1
]}

Luketic, K. Tomic ^{[1
]}

Vazquez, H. ^{[2
]}

Leino, A. ^{[2
]}

Djurabekova, F. ^{[2
]}

Nordlund, K. ^{[2
]}

Madauss, L. ^{[3
,4
]}

Liebsch, Y. ^{[3
,4
]}

Schleberger, M. ^{[3
,4
]}

Karlusic, M. ^{[1
]}

机构：

[1] Rudjer Boskovic Inst, Bijenicka 54, Zagreb 10000, Croatia

[2] Univ Helsinki, Dept Phys, POB 43, Helsinki 00014, Finland

[3] Univ Duisburg Essen, Fak Phys, D-47057 Duisburg, Germany

[4] Univ Duisburg Essen, CENIDE, Duisburg, Germany

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2024年 / 313卷

关键词：

Swift heavy ion; Nanopore; Graphene; Raman spectroscopy; Molecular dynamics; WATER DESALINATION; RAMAN-SPECTROSCOPY; SINGLE-LAYER; IRRADIATION; TRANSPORT; DEFECTS; GRAPHITE;

D O I：

10.1016/j.matchemphys.2023.128729

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the present work, Raman spectroscopy measurements and molecular dynamics simulations were used to investigate damage production in suspended single-layer graphene when irradiated by 23 MeV I, 3 MeV Cu and 18 MeV Cu beams. Despite the high energies of the used swift heavy ion beams, we found no evidence of ion track formation, i.e. all damage imparted to graphene was due to elastic collisions between ions and carbon atoms. Comparing experimental results with simulations, we conclude that a significant amount of energy (at least 40 % in the case of 23 MeV I irradiation) is dissipated away from graphene following the ion impact, and is a likely reason for the absence of ion tracks.

引用

页数：9

共 66 条

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