Hybrid Wetting Surface with Plasmonic Alloy Nanocomposites for Sensitive SERS Detection.

Shanjiang Wang, Dan Su, Huanli Zhou, Xiaohan Jiang, Xiaoyang Zhang, Tong Zhang

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Article in Molecules (Basel, Switzerland), 2023. 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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6 authors.

Shanjiang WangSchool of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, China.

Dan SuJoint International Research Laboratory of Information Display and Visualization, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China.ORCID 0000-0002-3332-7144

Huanli ZhouJoint International Research Laboratory of Information Display and Visualization, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China.

Xiaohan JiangJoint International Research Laboratory of Information Display and Visualization, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China.

Xiaoyang ZhangJoint International Research Laboratory of Information Display and Visualization, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China.

Tong ZhangJoint International Research Laboratory of Information Display and Visualization, School of Electronic Science and Engineering, Southeast University, Nanjing 210096, China.

Funding

Ministry of Science and Technology 2017YFA0205800National Natural Science Foundation of China 62275047, 61875241Natural Science Foundation of Jiangsu Province BK20220816the fellowship of China Postdoctoral Science Foundation 2022M710672

6 · The paper itself

Abstract

In this paper, a hybrid wetting surface (HWS) with Au/Ag alloy nanocomposites was proposed for rapid, cost-effective, stable and sensitive SERS application. This surface was fabricated in a large area by facile electrospinning, plasma etching and photomask-assisted sputtering processes. The high-density 'hot spots' and rough surface from plasmonic alloy nanocomposites promoted the significant enhancement of the electromagnetic field. Meanwhile, the condensation effects induced by HWS further improved the density of target analytes at the SERS active area. Thus, the SERS signals increased ~4 orders of magnitude compared to the normal SERS substrate. In addition, the reproducibility, uniformity, as well as thermal performance of HWS were also examined by comparative experiments, indicating their high reliability, portability and practicability for on-site tests. The efficient results suggested that this smart surface had great potential to evolve as a platform for advanced sensor-based applications.

Indexed as

condensation effectshot spotshybrid wetting surfacesensor-based applicationsSERS

Identifiers

PMID36903436

DOI10.3390/molecules28052190

PMCPMC10004610

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