Nanomechanical and Optical Properties of Anti-Counterfeiting Nanostructures Obtained by Hydrogel Photoresist in Laser Processing.

Wei Wu, Qingxue Deng, Yuhang Shi, Jiyu Sun

Abstract read

In one paragraph

Article in Biomimetics (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

4 authors.

Wei WuSchool of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.ORCID 0000-0002-1916-6751

Qingxue DengSchool of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.

Yuhang ShiSchool of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.

Jiyu SunKey Laboratory of Bionic Engineering (Ministry of Education, China), Jilin University, Changchun 130022, China.ORCID 0000-0002-7056-0981

Funding

National Natural Science Foundation of China 52205314

6 · The paper itself

Abstract

The microstructures of living creatures are widely used in bionics, and some can generate structural colors on biological surfaces and enable the process of dynamic camouflage. This study presents the hydrogel photoresist synthesized by polymerizing HEMA and MMA in THF solvent with initiator AIBN. Then, nanostructured gratings were fabricated on the hydrogel photoresists via double-beam interference lithography, and were characterized by scanning electron microscopy, angle-resolved spectroscopy system, and nanoindentation for pattern characterization, and nanomechanical and optical performance, respectively. Under multi-angle incident light, the optical computation of gratings with different depths indicates that a shallow implicit grating does not affect its dynamic color-changing performance. It is established that the laser power of 500 mW, a first exposure time of 5 s, and a second exposure time of 3 s are feasible for achieving efficient anti-counterfeiting nanostructures. The L

Indexed as

angle dependent color changinganti-counterfeiting nanostructureshydrogel photoresist

Identifiers

PMID41439898

DOI10.3390/biomimetics10120829

PMCPMC12730754

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.