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Cited by 293

The DOI matches its Crossref record; 54 of the 54 references it cites were found in a registry or an index.

Au–Cu2O Core–Shell Nanoparticles: A Hybrid Metal-Semiconductor Heteronanostructure with Geometrically Tunable Optical Properties

Zhang, Li, Blom, Douglas A., Wang, Hui·2011·Chemistry of Materials
DOI 10.1021/cm202078t
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Abstract

Metal-semiconductor hybrid heteronanostructures may exhibit not only a combination of properties from the disparate components but also further enhanced property tunability and new synergistic properties that arise from the interactions between the metal and semiconductor components. Here we demonstrate that the Au–Cu 2 O hybrid core–shell nanoparticles not only combine the optical signatures of Cu 2 O nanoshells and the plasmonic properties of Au nanoparticles but exhibit further enhanced and expanded plasmonic tunability as well due to the dielectric properties of the Cu 2 O shells surrounding the Au cores. We have developed a robust wet chemistry approach through which we can fine-control several important geometrical parameters of the Au–Cu 2 O core–shell nanoparticles, such as Cu 2 O shell thickness, size of the Au core, and the spacing between the core and shell, to systematically and selectively fine-tune the synergistic light absorption and scattering properties of the particles over a broad spectral range across the visible and near-infrared regions. We have further performed Mie scattering theory calculations to theoretically interpret the correlation between the geometrical parameters and optical characteristics of the Au–Cu 2 O hybrid nanoparticles. Such optical tunability achieved through the fine-control over core and shell geometries is believed to be important to the optimization of the overall performance of hybrid heteronanostructure-based materials and/or devices for photonic, electronic, and optoelectronic applications.

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Metadata

Authors
Zhang, L., Blom, D. A., & Wang, H.
Venue
Chemistry of Materials
Publisher
American Chemical Society (ACS)
Published
2011-09-27
Volume
23
Issue
20
Pages
4587-4598
ISSN
  • 0897-4756 (ISSN-L)
  • 1520-5002
DOI
10.1021/cm202078t
OpenAlex
W2325547368
Cited by
293
References
54
FWCI
10.22
Type
journal article
Language
en
Open access
closed

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