基于PSP-LSP耦合基板的差分放大手性SERS

IF 5.8 3区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Nanoscale Pub Date : 2025-04-10 DOI:10.1039/d5nr00088b

Chiyi Wei, Yanlong Li, Haijiao Xu, Molei Hao, Tianxi Wang, Weiyuan Huang, Wanlu Cao, Zihao Li, xiaoming wei, Zhongmin Yang

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引用次数: 0

摘要

手性识别在化学、生物和制药研究中起着至关重要的作用。然而，区分对映体仍然是一个挑战。本研究提出了一种利用传播表面等离子体（PSP）和局部表面等离子体（LSP）的耦合效应来增强表面增强拉曼散射（SERS）中对映体的区别的新方法。我们构建了一种将激光诱导的周期性表面结构与手性等离子体纳米粒子432螺旋体III相结合的SERS衬底，创建了PSP-LSP耦合机制。结果表明，复合底物不仅增强了SERS信号，而且有效地放大了对映体之间的差异。这一进展为手性SERS衬底设计和对映体视差放大的研究开辟了新的途径。

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Disparity-Amplified Chiral SERS Using PSP-LSP Coupling Substrate

Chiral recognition plays a vital role in chemical, biological, and pharmaceutical studies. However, differentiating enantiomers is still challenging. This study presents a new approach to enhance the distinction between enantiomers in surface-enhanced Raman scattering (SERS) by leveraging the coupling effect of propagating surface plasmon (PSP) and localized surface plasmons (LSP). We construct a SERS substrate that integrates laser-induced periodic surface structures with chiral plasmonic nanoparticle 432 helicoid III, creating a PSP-LSP coupling mechanism. The results demonstrate that the composite substrate not only enhances the SERS signal but also effectively amplifies the disparity between enantiomers. This advancement paves a new way in chiral SERS substrate design and the research of enantiomeric disparity amplification.

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来源期刊

Nanoscale CHEMISTRY, MULTIDISCIPLINARY-NANOSCIENCE & NANOTECHNOLOGY

CiteScore

12.10

自引率

3.00%

发文量

1628

审稿时长

1.6 months

期刊介绍： Nanoscale is a high-impact international journal, publishing high-quality research across nanoscience and nanotechnology. Nanoscale publishes a full mix of research articles on experimental and theoretical work, including reviews, communications, and full papers.Highly interdisciplinary, this journal appeals to scientists, researchers and professionals interested in nanoscience and nanotechnology, quantum materials and quantum technology, including the areas of physics, chemistry, biology, medicine, materials, energy/environment, information technology, detection science, healthcare and drug discovery, and electronics.