Transparent and Flexible Surface-enhanced Raman Scattering (SERS) Substrates with High SERS Performance and Stability

IF 4 2区化学 Q2 POLYMER SCIENCE

Chinese Journal of Polymer Science Pub Date : 2025-07-01 DOI:10.1007/s10118-025-3373-z

Jian-Ping Peng, Pei-Jiang Liu, Yu-Tao Song, Shan-Zheng Zhao, Xin-Yue Deng, Zhen-Kai Huang

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引用次数: 0

Abstract

This paper presents a polymer-brush-guided templating strategy for fabricating ordered gold plasmonic architectures. The synthesized nanostructures featuring densely packed Au nanoparticles (NPs) exhibited strong surface-enhanced Raman scattering (SERS) activity. Using a simple mechanical transfer technique, these assemblies were integrated into flexible polydimethylsiloxane (PDMS) films. Polymer encapsulation during synthesis ensures structural integrity during processing, resulting in a mechanically robust SERS substrate with exceptional analytical performance. This platform achieved 4-mercaptobenzoic acid (4-MBA) detection at 100 pmol/L (10^-10 mol/L) with high reproducibility (RSD=6.8%). Environmental and mechanical stability tests demonstrated 95% signal retention over 30 days and sustained functionality after 100 bending/twisting cycles. Combined with a non-destructive adhesion-transfer protocol, the substrate enabled on-site thiram detection on apple surfaces (1 μmol/L limit). This study provides a scalable approach for developing flexible SERS devices for food safety monitoring and environmental analysis.

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具有高SERS性能和稳定性的透明柔性表面增强拉曼散射（SERS）衬底

本文提出了一种用于制造有序金等离子体结构的聚合物刷引导模板策略。所合成的致密排列的金纳米粒子（NPs）具有很强的表面增强拉曼散射（SERS）活性。使用简单的机械转移技术，这些组件被集成到柔性聚二甲基硅氧烷（PDMS）薄膜中。合成过程中的聚合物封装确保了加工过程中的结构完整性，从而产生具有优异分析性能的机械坚固的SERS基板。该平台可实现100 pmol/L （10 ~ 10 mol/L）浓度下4-巯基苯甲酸（4-MBA）的检测，重现性高（RSD=6.8%）。环境和机械稳定性测试表明，在30天内信号保留率为95%，并且在100次弯曲/扭转循环后功能保持不变。结合非破坏性的粘附转移协议，该底物可以在苹果表面进行现场检测（限1 μmol/L）。本研究为开发用于食品安全监测和环境分析的柔性SERS装置提供了一种可扩展的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Chinese Journal of Polymer Science 化学-高分子科学

CiteScore

7.10

自引率

11.60%

发文量

218

审稿时长

6.0 months

期刊介绍： Chinese Journal of Polymer Science (CJPS) is a monthly journal published in English and sponsored by the Chinese Chemical Society and the Institute of Chemistry, Chinese Academy of Sciences. CJPS is edited by a distinguished Editorial Board headed by Professor Qi-Feng Zhou and supported by an International Advisory Board in which many famous active polymer scientists all over the world are included. The journal was first published in 1983 under the title Polymer Communications and has the current name since 1985. CJPS is a peer-reviewed journal dedicated to the timely publication of original research ideas and results in the field of polymer science. The issues may carry regular papers, rapid communications and notes as well as feature articles. As a leading polymer journal in China published in English, CJPS reflects the new achievements obtained in various laboratories of China, CJPS also includes papers submitted by scientists of different countries and regions outside of China, reflecting the international nature of the journal.