Journal
NANOMATERIALS
Volume 9, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/nano9121789
Keywords
micro; nano structures; micro; nano fabrication; femtosecond laser; laser machining; mental; semiconductor; material; application
Categories
Funding
- National Key R&D Programof China [2018YFF01012705, 2018YFF01010504]
- National Natural Science Foundation of China (NSFC) [61474115, 61504138]
- Project of Key Technology Research Group in Chinese Academy of Sciences [GJJSTD20180004]
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Micro/nano structures have unique optical, electrical, magnetic, and thermal properties. Studies on the preparation of micro/nano structures are of considerable research value and broad development prospects. Several micro/nano structure preparation techniques have already been developed, such as photolithography, electron beam lithography, focused ion beam techniques, nanoimprint techniques. However, the available geometries directly implemented by those means are limited to the 2D mode. Laser machining, a new technology for micro/nano structural preparation, has received great attention in recent years for its wide application to almost all types of materials through a scalable, one-step method, and its unique 3D processing capabilities, high manufacturing resolution and high designability. In addition, micro/nano structures prepared by laser machining have a wide range of applications in photonics, Surface plasma resonance, optoelectronics, biochemical sensing, micro/nanofluidics, photofluidics, biomedical, and associated fields. In this paper, updated achievements of laser-assisted fabrication of micro/nano structures are reviewed and summarized. It focuses on the researchers' findings, and analyzes materials, morphology, possible applications and laser machining of micro/nano structures in detail. Seven kinds of materials are generalized, including metal, organics or polymers, semiconductors, glass, oxides, carbon materials, and piezoelectric materials. In the end, further prospects to the future of laser machining are proposed.
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