具有近场和远场效应协同作用的ZnO纳米结构准光学腔原位拉曼检测

IF 4.6 2区化学 Q2 CHEMISTRY, PHYSICAL

The Journal of Physical Chemistry Letters Pub Date : 2019-06-16 DOI:10.1021/acs.jpclett.9b01390

Jing Yu, Yu Guo, Huijie Wang, Shuai Su, Chao Zhang*, Baoyuan Man, Fengcai Lei*

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引用次数: 58

摘要

本文通过实验和理论研究了ZnO纳米片(NSs)@Ag纳米线(NRs)的垂直交错分层结构(HS)作为拉曼增强的准光学腔(QOC)。光在ZnO QOC内的多重振荡促进了Ag NRs的近场和远场效应的新型协同作用，在大空间内提供了广泛的“热点”分布。HS中的“空间热点”为原位拉曼探测带来了可靠的信号采集。在不采用任何特定材料和方法的情况下，该HS为研究人员在拉曼增强领域提供了一种调整光的新途径。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Quasi Optical Cavity of Hierarchical ZnO [email protected] Nanoravines with Synergy of Near- and Far-Field Effects for in Situ Raman Detection

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Quasi Optical Cavity of Hierarchical ZnO [email protected] Nanoravines with Synergy of Near- and Far-Field Effects for in Situ Raman Detection

The vertically interlaced hierarchical structure (HS) of ZnO nanosheets (NSs)@Ag nanoravines (NRs) as a quasi optical cavity (QOC) for Raman enhancement has been studied experimentally and theoretically in this work. A novel synergism of near- and far-field effects of Ag NRs is facilitated by the multiple oscillation of light inside the ZnO QOC, providing wide distributions of “hot spots” in a large space. The “spatial hot spots” in the HS bring reliable signal collection in in situ Raman detection. Without any specific materials and methods adopted, this HS provides researchers a new way to adjust the light in the fields of Raman enhancement.

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来源期刊

The Journal of Physical Chemistry Letters CHEMISTRY, PHYSICAL-NANOSCIENCE & NANOTECHNOLOGY

CiteScore

9.60

自引率

7.00%

发文量

1519

审稿时长

1.6 months

期刊介绍： The Journal of Physical Chemistry (JPC) Letters is devoted to reporting new and original experimental and theoretical basic research of interest to physical chemists, biophysical chemists, chemical physicists, physicists, material scientists, and engineers. An important criterion for acceptance is that the paper reports a significant scientific advance and/or physical insight such that rapid publication is essential. Two issues of JPC Letters are published each month.