Shape Control of Cu/ZnO Core-Shell Nanocubes and Related Structures for Localized Surface Plasmon Resonance

被引：4

作者：

Fu, Zheng ^{[1
,2
]}

Xuan, Zhengxi ^{[1
,2
]}

Li, Changning ^{[1
]}

Qiao, Liang ^{[1
]}

Liu, Yang ^{[1
]}

Swihart, Mark T. ^{[1
,2
]}

机构：

[1] Univ Buffalo SUNY, Dept Chem & Biol Engn, Buffalo, NY 14260 USA

[2] Univ Buffalo SUNY, RENEW Inst, Buffalo, NY 14260 USA

来源：

ACS APPLIED NANO MATERIALS | 2021年 / 4卷 / 02期

基金：

美国国家科学基金会;

关键词：

nanocrystal; mechanism; shape control; optical properties; nanocubes;

D O I：

10.1021/acsanm.1c00034

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Cu/ZnO nanomaterials exhibit useful optical properties and catalytic activity, but their shape-controlled colloidal synthesis remains underexplored. Here, a specific Cu/ZnO core-shell nanocube morphology (denoted as AB(8) Cu/ZnO nanocube) was synthesized in a single step. It comprises a quasispherical Cu core with tetrahedral ZnO nanocrystals attached at the corners of a cube. These structures exhibit strong localized surface plasmon resonance (LSPR) absorbance near 600 nm. Additional novel Cu/ZnO heterostructure morphologies were produced by addition of lithium hydroxide. This study provides guidance for the design of nanoheterostructures and a route to noble-metal-free nanomaterials with LSPR at visible wavelengths for applications including photocatalysis and sensing.

引用

页码：995 / 999

页数：5

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