Large Area Nanoparticle Alignment by Chemical Lift-Off Lithography.
Large Area Nanoparticle Alignment by Chemical Lift-Off Lithography.
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DOI:
10.3390/nano8020071
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发表时间:
2018-01-27
期刊:
影响因子:
--
通讯作者:
Liao WS
中科院分区:
文献类型:
--
作者:
Chen CY;Chang CH;Wang CM;Li YJ;Chu HY;Chan HH;Huang YW;Liao WS
Nanoparticle alignment on the substrate attracts considerable attention due to its wide application in different fields, such as mechanical control, small size electronics, bio/chemical sensing, molecular manipulation, and energy harvesting. However, precise nanoparticle positioning and deposition control with high fidelity are still challenging. Herein, a straightforward strategy for high quality nanoparticle-alignment by chemical lift-off lithography (CLL) is demonstrated. This technique creates high resolution self-assembled monolayer (SAM) chemical patterns on gold substrates, enabling nanoparticle-selective deposition and precise alignment. The fabricated nanoparticle arrangement geometries and dimensions are well-controllable in a large area. With proper nanoparticle surface functionality control and adequate substrate molecular manipulation, well-defined nanoparticle arrays with single-particle-wide alignment resolution are achieved.
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3.1
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