Nanoporous Metallic Network as a Large-Scale 3D Source of Second Harmonic Light

被引：6

作者：

Ron, Racheli ^{[1
]}

Shavit, Omer ^{[1
]}

Aharon, Hannah ^{[1
]}

Zielinski, Marcin ^{[2
]}

Galanty, Matan ^{[1
]}

Salomon, Adi ^{[1
]}

机构：

[1] Bar Ilan Univ, Inst Nanotechnol & Adv Mat BINA, Dept Chem, IL-5290002 Ramat Gan, Israel

[2] EPFL Innovat Pk, Attolight AG, Bldg D, CH-1015 Lausanne, Switzerland

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2019年 / 123卷 / 41期

基金：

以色列科学基金会;

关键词：

SMALL-PARTICLE COMPOSITES; ENERGY-TRANSFER; GENERATION; NANOSTRUCTURES; LOCALIZATION; FABRICATION; SILVER; FILMS;

D O I：

10.1021/acs.jpcc.9b06300

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We introduce a large-scale nanoporous metallic network whose building blocks are assembled into an effective nonlinear conductive material, with a considerable conversion efficiency in a wide range of optical wavelengths. The high nonlinear response results from the complexity of the three-dimensional (3D) network structure having a large surface area as well as hot spots in deeper focal plans of the metallic network. Broadband responses of the metallic network are observed by both second harmonic generation (SHG) and cathodoluminescence (CL). The large-scale dimension and generation of randomized hot spots make this 3D metallic network a promising platform for applications like photocatalysis, sensing, or optical imaging such as structured illumination microscopy.

引用

页码：25331 / 25340

页数：10

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