期刊
ACS APPLIED NANO MATERIALS
卷 4, 期 2, 页码 995-999出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsanm.1c00034
关键词
nanocrystal; mechanism; shape control; optical properties; nanocubes
资金
- U.S. National Science Foundation [CBET-1804996]
This study successfully synthesized a specific Cu/ZnO core-shell nanocube morphology in a single step, demonstrating strong localized surface plasmon resonance absorbance in the structures. Additionally, novel Cu/ZnO heterostructure morphologies were produced by adding lithium hydroxide.
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.
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