Healing defects of metallic structures is an essential procedure for manufacturing and maintaining integrated devices. Current nanocomposite-assisted microhealing methodologies are inadequate for nanoscopic applications because of their concomitant contamination and limited operation accuracy. In this paper, we propose an optically controllable targeted nanohealing technique by utilizing the plasmonic-enhanced photothermal effect. The healing of nanogaps between two silver nanowires (NWs) is achieved by increasing the incident laser power in steps. Partial connection of NWs can be readily obtained using this technique, while near-perfect connection of NWs with the same crystal orientations is obtained only when the lattices on the two opposing facets are matched after recrystallization. This non-contaminating nanohealing technique not only provides deeper insight into the heat/mass transfer assisted by plasmonic photothermal conversion in the nanoscale but also suggests avenues for recovering mechanical, electronic, and photonic properties of defected metallic nanodevices.
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12 February 2018
Research Article|
February 16 2018
Plasmonic-enhanced targeted nanohealing of metallic nanostructures
Hangbo Yang;
Hangbo Yang
1
State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University
, Hangzhou 310027, China
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Jinsheng Lu
;
Jinsheng Lu
1
State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University
, Hangzhou 310027, China
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Pintu Ghosh;
Pintu Ghosh
1
State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University
, Hangzhou 310027, China
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Ziyao Chen;
Ziyao Chen
1
State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University
, Hangzhou 310027, China
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Wei Wang;
Wei Wang
1
State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University
, Hangzhou 310027, China
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Hui Ye;
Hui Ye
1
State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University
, Hangzhou 310027, China
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Qian Yu;
Qian Yu
2
Center of Electron Microscopy and State Key Laboratory of Silicon Materials, College of Materials Science and Engineering, Zhejiang University
, Hangzhou 310027, China
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Min Qiu;
Min Qiu
1
State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University
, Hangzhou 310027, China
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Qiang Li
Qiang Li
a)
1
State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University
, Hangzhou 310027, China
a)Email: qiangli@zju.edu.cn
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a)Email: qiangli@zju.edu.cn
Appl. Phys. Lett. 112, 071108 (2018)
Article history
Received:
December 04 2017
Accepted:
February 06 2018
Citation
Hangbo Yang, Jinsheng Lu, Pintu Ghosh, Ziyao Chen, Wei Wang, Hui Ye, Qian Yu, Min Qiu, Qiang Li; Plasmonic-enhanced targeted nanohealing of metallic nanostructures. Appl. Phys. Lett. 12 February 2018; 112 (7): 071108. https://doi.org/10.1063/1.5018120
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