Fabrication of Antireflection Micro/Nanostructures on the Surface of Aluminum Alloy by Femtosecond Laser

Designed micro-nano structures on the surface of aluminum alloy provide excellent light trapping properties that can be used extensively in thermal photovoltaics, sensors, etc. However, the fabrication of high-performance antireflective micro-nano structures on aluminum alloy is challenging because...

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Main Authors: Mengdan Du, Quanquan Sun, Wei Jiao, Lifeng Shen, Xiao Chen, Junfeng Xiao, Jianfeng Xu
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Micromachines
Subjects:
Online Access:https://www.mdpi.com/2072-666X/12/11/1406
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author Mengdan Du
Quanquan Sun
Wei Jiao
Lifeng Shen
Xiao Chen
Junfeng Xiao
Jianfeng Xu
author_facet Mengdan Du
Quanquan Sun
Wei Jiao
Lifeng Shen
Xiao Chen
Junfeng Xiao
Jianfeng Xu
author_sort Mengdan Du
collection DOAJ
description Designed micro-nano structures on the surface of aluminum alloy provide excellent light trapping properties that can be used extensively in thermal photovoltaics, sensors, etc. However, the fabrication of high-performance antireflective micro-nano structures on aluminum alloy is challenging because aluminum has shallow intrinsic losses and weak absorption. A two-step strategy is proposed for fabricating broadband antireflection structures by superimposing nanostructures onto microscale structures. By optimizing the processing parameters of femtosecond laser, the average reflectances of 2.6% within the visible spectral region (400–800 nm) and 5.14% within the Vis-NIR spectral region (400–2500 nm) are obtained.
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spelling doaj.art-d3277ecc6ae04706b49ea5fb52b81c8d2023-11-23T00:27:05ZengMDPI AGMicromachines2072-666X2021-11-011211140610.3390/mi12111406Fabrication of Antireflection Micro/Nanostructures on the Surface of Aluminum Alloy by Femtosecond LaserMengdan Du0Quanquan Sun1Wei Jiao2Lifeng Shen3Xiao Chen4Junfeng Xiao5Jianfeng Xu6State Key Laboratory of Digital Manufacturing Equipment and Technology, School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, ChinaShanghai Aerospace Control Technology Institute, Shanghai 201109, ChinaState Key Laboratory of Digital Manufacturing Equipment and Technology, School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, ChinaShanghai Aerospace Control Technology Institute, Shanghai 201109, ChinaState Key Laboratory of Digital Manufacturing Equipment and Technology, School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, ChinaState Key Laboratory of Digital Manufacturing Equipment and Technology, School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, ChinaState Key Laboratory of Digital Manufacturing Equipment and Technology, School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, ChinaDesigned micro-nano structures on the surface of aluminum alloy provide excellent light trapping properties that can be used extensively in thermal photovoltaics, sensors, etc. However, the fabrication of high-performance antireflective micro-nano structures on aluminum alloy is challenging because aluminum has shallow intrinsic losses and weak absorption. A two-step strategy is proposed for fabricating broadband antireflection structures by superimposing nanostructures onto microscale structures. By optimizing the processing parameters of femtosecond laser, the average reflectances of 2.6% within the visible spectral region (400–800 nm) and 5.14% within the Vis-NIR spectral region (400–2500 nm) are obtained.https://www.mdpi.com/2072-666X/12/11/1406femtosecond laseraluminum alloyantireflectionsurface micro/nanostructure
spellingShingle Mengdan Du
Quanquan Sun
Wei Jiao
Lifeng Shen
Xiao Chen
Junfeng Xiao
Jianfeng Xu
Fabrication of Antireflection Micro/Nanostructures on the Surface of Aluminum Alloy by Femtosecond Laser
Micromachines
femtosecond laser
aluminum alloy
antireflection
surface micro/nanostructure
title Fabrication of Antireflection Micro/Nanostructures on the Surface of Aluminum Alloy by Femtosecond Laser
title_full Fabrication of Antireflection Micro/Nanostructures on the Surface of Aluminum Alloy by Femtosecond Laser
title_fullStr Fabrication of Antireflection Micro/Nanostructures on the Surface of Aluminum Alloy by Femtosecond Laser
title_full_unstemmed Fabrication of Antireflection Micro/Nanostructures on the Surface of Aluminum Alloy by Femtosecond Laser
title_short Fabrication of Antireflection Micro/Nanostructures on the Surface of Aluminum Alloy by Femtosecond Laser
title_sort fabrication of antireflection micro nanostructures on the surface of aluminum alloy by femtosecond laser
topic femtosecond laser
aluminum alloy
antireflection
surface micro/nanostructure
url https://www.mdpi.com/2072-666X/12/11/1406
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