Ultrafast laser induced surface instability for 3D nanoprinting wrinkled architectures

Xuhao Fan; Chunsan Deng; Binzhang Jiao; Yuncheng Liu; Fayu Chen; Hui Gao; Wei Xiong

doi:10.1117/12.3008402

29 December 2023 Ultrafast laser induced surface instability for 3D nanoprinting wrinkled architectures

Xuhao Fan, Chunsan Deng, Binzhang Jiao, Yuncheng Liu, Fayu Chen, Hui Gao, Wei Xiong

Proceedings Volume 12976, Eighth Asia Pacific Conference on Optics Manufacture and Third International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2023); 129760R (2023) https://doi.org/10.1117/12.3008402
Event: 8th Asia Pacific Conference on Optics Manufacture & 3rd International Forum of Young Scientists on Advanced Optical Manufacturing, 2023, Shenzhen, China

Abstract

The fabrication of three-dimensional (3D) wrinkle architectures has garnered extensive attention from both the academic and industrial sectors. Ultrafast laser 3D nanoprinting allows for the fabrication of intricate 3D wrinkle architectures, offering precise control over fine morphological characteristics. The temperature modulation induced by the ultrafast laser along the scanning path triggers a volume change in a thermal-responsive polymer, resulting in the surface instability of printed voxel lines. The printing process involves an external field coupling effect of photopolymerization, photothermal interaction, responsive deformation, and substrate adhesion. Based on recent theoretical studies on swell-induced surface instability, we simplified the layered polymerized structures as a plane film attached to an underlying substrate and focused on the essential physical features that determine the instability patterns, including mismatch strain, mechanical properties, and adhesion energy. Various modes of surface instability patterns in solid and hollow units are categorized, and an analysis model that accounts for diverse surface instability patterns in solid and hollow microgel units is constructed. The proposed analysis model not only improves the understanding of 3D nano-wrinkled structures but also paves the way for extending wrinkle applications.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Xuhao Fan, Chunsan Deng, Binzhang Jiao, Yuncheng Liu, Fayu Chen, Hui Gao, and Wei Xiong "Ultrafast laser induced surface instability for 3D nanoprinting wrinkled architectures", Proc. SPIE 12976, Eighth Asia Pacific Conference on Optics Manufacture and Third International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2023), 129760R (29 December 2023); https://doi.org/10.1117/12.3008402

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KEYWORDS

Hydrogels

Polymers

Ultrafast lasers

Adhesion

Deformation

Laser processing

Voxels

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