Fabrication and application of micro/nano-textured surfaces

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "A:Physics".

Deadline for manuscript submissions: closed (31 December 2020) | Viewed by 5967

Special Issue Editors


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Guest Editor
Department of Mechanical Engineering, Stevens Institute of Technology, Hoboken, NJ 07030, USA
Interests: surface modification; additive manufacturing of metals; nanofabrication; nanostructured materials; interfacial phenomena (wetting; adhesion; friction; icing; corrosion, etc.)
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Guest Editor
Director of Institute of Nanoengineering, College of Civil Engineering and Architecture, Shandong University of Science and Technology, 579 Qianwangang Road, Qingdao 266590, China
Interests: nanoengineering; nano- and micro-fabrication; surface modification; functionalized surface; solid mechanics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

A micro/nanotextured surface is a surface which is covered with micro/nanosized structures. Generally, the geometrical architectures (i.e., surface roughness,micro/nanosized structures) greatly determine the physical properties of solid surfaces. Especially for micro/nanotextured surfaces, these properties include hydrophobic/hydrophilic, antifouling, and anticorrosion. Micro/nanosized structures are currently gaining popularity because of their special applications due to their unique physical properties. In nature, we have found the micro/nanotexture of naturally occurring surfaces such as cicada and dragonfly wings, lotus leaves, shark skin, etc. For example, the micro and nanoscale hierarchical structure on lotus leaves is responsible for their unique superhydrophobic and self-cleaning properties. The discovery of these structures and their various resulting properties has led to a large research focus in mimicking the surface structure of these naturally occurring surfaces to reproduce their behaviors. This Special Issue will cover but not be limited to, the following potential topics:

1) Fabrication of micro/nanotextured surfaces;

2) Characterization of micro/nanotextured surfaces;

3) Application of micro/nanotextured surfaces;

4) Novel approaches to fabricate micro/nanotextured surfaces.

Prof. Chang-Hwan Choi
Prof. Qing Wang
Guest Editors

Manuscript Submission Information

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Published Papers (2 papers)

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Research

7 pages, 2052 KiB  
Communication
Effects of Imprinting Pressure on the Damage of Flexible Composite Mould and Pattern Quality during UV Nanoimprinting
by Xu Zheng, Qing Wang and Wenquan Du
Micromachines 2019, 10(10), 706; https://doi.org/10.3390/mi10100706 - 17 Oct 2019
Cited by 2 | Viewed by 2822
Abstract
Imprinting pressure is the significant factor for composite mould durability and pattern quality during UV nanoimprinting on complex surfaces. To solve these problems, the effects of imprinting pressure on the damage of flexible composite mould and pattern quality-encountering particles were investigated through experiment [...] Read more.
Imprinting pressure is the significant factor for composite mould durability and pattern quality during UV nanoimprinting on complex surfaces. To solve these problems, the effects of imprinting pressure on the damage of flexible composite mould and pattern quality-encountering particles were investigated through experiment and simulation. It was found that increasing the pressure could improve the pattern quality, but it will damage the mould and reduce the durability. Moreover, too small pressure could lead to serious pattern defects. Therefore, the imprint pressure of 30 kPa was suitable for use in the imprinting process from the viewpoints of protecting the mould and reducing pattern defects. These findings will be useful for improving the pattern quality and mould durability. Full article
(This article belongs to the Special Issue Fabrication and application of micro/nano-textured surfaces)
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10 pages, 5449 KiB  
Article
Patterned Metal/Polymer Composite Film with Good Mechanical Stability and Repeatability for Flexible Electronic Devices Using Nanoimprint Technology
by Xu Zheng, Qing Wang, Jinjin Luan, Yao Li and Ning Wang
Micromachines 2019, 10(10), 651; https://doi.org/10.3390/mi10100651 - 27 Sep 2019
Cited by 8 | Viewed by 2414
Abstract
Mechanical stability and repeatability are significant factors for the application of metal film flexible electronic devices. In this work, patterned metal/polymer composite films with good mechanical stability and repeatability were fabricated through nanoimprint technology. The mechanical properties characteristic of metal/polymer composite films were [...] Read more.
Mechanical stability and repeatability are significant factors for the application of metal film flexible electronic devices. In this work, patterned metal/polymer composite films with good mechanical stability and repeatability were fabricated through nanoimprint technology. The mechanical properties characteristic of metal/polymer composite films were exhibited by resistance change (ΔR/R0) after cyclic tension and bending loading. It was found that the ΔR/R0 and error line of patterned metal/polymer composite film was far lower than the other control groups for repeated experiments, which indicates that patterned metal film has excellent mechanical properties and repeatability. The double cantilever beam method was employed to measure the interfacial adhesion properties of composite films. The average interfacial adhesion of patterned metal/polymer composite films is shown to be over 2.9 and 2.2 times higher than that of metal film deposited on bare polymer and metal nanowire-treated polymer substrates, respectively. Full article
(This article belongs to the Special Issue Fabrication and application of micro/nano-textured surfaces)
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