Fabrication of Bowl Array Surface-Enhanced Raman Scattering Substrates via Ag Nanoparticle Self-Assembly on Polymer UV-Imprinted Microbowls for Enhanced Raman Detection of Microplastics.

Yihong Liu, Longchao Qi, Kaibo Guo, Xianlong Ning, Yiming Huang, Xun Lu

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Article in Polymers, 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

6 authors.

Yihong LiuDepartment of Mechanical Engineering, Yanbian University, Yanji 133002, China.

Longchao QiDepartment of Mechanical Engineering, Yanbian University, Yanji 133002, China.

Kaibo GuoDepartment of Mechanical Engineering, Yanbian University, Yanji 133002, China.

Xianlong NingDepartment of Mechanical Engineering, Yanbian University, Yanji 133002, China.

Yiming HuangDepartment of Mechanical Engineering, Yanbian University, Yanji 133002, China.

Xun LuDepartment of Mechanical Engineering, Yanbian University, Yanji 133002, China.ORCID 0009-0009-2627-0686

Funding

Jilin Science and Technology Development Program Project No.YDZJ202201ZYTS384Science and Technology Research Program of Jilin Provincial Department of Education No. JJKH20210568KJ

6 · The paper itself

Abstract

A facile, efficient, and cost-effective strategy for fabricating a bowl array SERS (surface-enhanced Raman scattering) substrate is presented. The resulting substrate is dimensionally compatible with micrometer-sized microplastics and integrates both SERS enhancement and light-trapping effects, enabling highly sensitive detection of micrometer-sized microplastics. Initially, a pillar array template was produced via UV lithography, followed by UV imprinting to replicate bowl arrays with a diameter of 50 μm, a depth of 25 μm, and a periodicity of 100 μm. A gold layer was subsequently deposited, followed by the modification of its surface with AgNPs to construct the SERS substrate. The experimental results reveal that the optimal enhancement was achieved at an AgNP suspension concentration of 15 mg/mL. The substrate exhibited a detection limit of 10

Indexed as

cost-effectivelight-trapping effectlocalized surface plasmon resonance effectmicroplastic detectionmicroscale bowl array structuresurface-enhanced Raman scattering effect

Identifiers

PMID41228690

DOI10.3390/polym17212930

PMCPMC12608143

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