Surface plasmon coupling between different shapes of silver nanostructures and wide-field SPR microscopy

IF 3.5 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Materials Science Pub Date : 2025-05-11 DOI:10.1007/s10853-025-10917-3

Qais M. Al-Bataineh, Ihsan Aljarrah, Ahmad A. Ahmad, Gaith Rjoub, Ahmad D. Telfah, Roland Hergenröder

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引用次数: 0

Abstract

This study investigates the surface plasmon coupling behavior between localized surface plasmons (LSPs) of various silver nanostructure (AgNS) shapes and the propagating surface plasmons (PSPs) of the silver surface. AgNSs of differing shapes (spheres, triangle plates, and hexagonal plates) are synthesized via a one-step solvothermal reduction method, yielding average particle sizes of 70, 160, and 200 nm, respectively. UV–Vis spectroscopy and finite element method simulations are utilized to characterize the LSPs of the AgNSs. While spherical AgNSs display a single Gaussian absorption band at 410 nm, triangle and hexagonal AgNSs exhibit multiple Gaussian absorption bands. Surface plasmon coupling behavior between the LSPs of various AgNS shapes and the PSPs of the Ag surface is investigated using wide-field surface plasmon resonance microscopy (WF-SPRM) and a derived method based on scattering theory. The intensity distribution of the binding event between the AgNSs and the Ag surface is determined by fitting a curve to describe the surface plasmon coupling between AgNSs and the Ag layer.

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不同形状银纳米结构的表面等离子体耦合与宽视场SPR显微镜

本文研究了不同形状银纳米结构（AgNS）的局部表面等离子体激元（LSPs）与银表面的传播表面等离子体激元（psp）之间的表面等离子体耦合行为。通过一步溶剂热还原法合成了不同形状（球形、三角形板和六边形板）的AgNSs，平均粒径分别为70、160和200 nm。利用紫外可见光谱和有限元模拟方法对AgNSs的lsp进行了表征。球形AgNSs在410 nm处表现为单一高斯吸收带，而三角形和六边形AgNSs则表现为多个高斯吸收带。利用宽场表面等离子体共振显微镜（WF-SPRM）和基于散射理论的衍生方法，研究了不同形状银原子表面等离子体与银表面等离子体之间的耦合行为。通过拟合描述AgNSs与Ag层之间表面等离子体耦合的曲线，确定了AgNSs与Ag层之间结合事件的强度分布。

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

Journal of Materials Science 工程技术-材料科学：综合

CiteScore

7.90

自引率

4.40%

发文量

1297

审稿时长

2.4 months

期刊介绍： The Journal of Materials Science publishes reviews, full-length papers, and short Communications recording original research results on, or techniques for studying the relationship between structure, properties, and uses of materials. The subjects are seen from international and interdisciplinary perspectives covering areas including metals, ceramics, glasses, polymers, electrical materials, composite materials, fibers, nanostructured materials, nanocomposites, and biological and biomedical materials. The Journal of Materials Science is now firmly established as the leading source of primary communication for scientists investigating the structure and properties of all engineering materials.