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Controlled fabrication of gold nanotip arrays by nanomolding-necking technology
Han GX1; Wu YP1; Yan WD1; Shui LQ1; Jia XZ1; Gao EL1; Jiang MQ(蒋敏强)2,3; Liu Z(刘哲)1,2
Source PublicationNanotechnology

Abstract The fabrication of nanotips has been driven by the increasing industrial demands in developing high-performance multifunctional nanodevices. In this work, we proposed a controlled, rapid as well as low cost nanomolding-necking technology to fabricate gold nanotips arrays. The geometries of gold nanotips having cone angle range of ~28–77° and curvature radii of <5 nm can be prepared by tailoring the diameters of raw nanorods in nanomolding process or modulating the necking temperature. Molecular dynamics simulation reveals that the formation of the nanotip geometry is determined by the interplay between dislocation-based and diffusion-based deformation mechanisms, intrinsically arising from the nonlinear dependence of atom diffusion on temperature and sample size. The good controllability, mass production and low cost of the developed nanomolding-necking technology make it highly promising in developing nanodevices for a wide range of applications, such as probing, sensing, antireflection coating and nanoindentation.

Keywordnanomolding necking nanotips deformation
Indexed BySCI ; EI
WOS IDWOS:000520172400001
Contributorliu z
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Document Type期刊论文
Affiliation1.Department of Engineering Mechanics, School of Civil Engineering, Wuhan University, Wuhan, Hubei 430072, People’s Republic of China
2.State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China
3.School of Engineering Science, University of Chinese Academy of Sciences, Beijing 101408, People’s Republic of China
Recommended Citation
GB/T 7714
Han GX,Wu YP,Yan WD,et al. Controlled fabrication of gold nanotip arrays by nanomolding-necking technology[J]. Nanotechnology,2020,31(14):10.1088/1361-6528/ab62cb.
APA Han GX.,Wu YP.,Yan WD.,Shui LQ.,Jia XZ.,...&Liu Z.(2020).Controlled fabrication of gold nanotip arrays by nanomolding-necking technology.Nanotechnology,31(14),10.1088/1361-6528/ab62cb.
MLA Han GX,et al."Controlled fabrication of gold nanotip arrays by nanomolding-necking technology".Nanotechnology 31.14(2020):10.1088/1361-6528/ab62cb.
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