Journal
CHEMICAL PHYSICS LETTERS
Volume 456, Issue 4-6, Pages 202-205Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2008.03.027
Keywords
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Funding
- Engineering and Physical Sciences Research Council [EP/C51596X/1] Funding Source: researchfish
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Au-Cu2O core-shell nanocubes with edge dimensions of 15-45 nm have been produced by annealing a copper grid at 300 degrees C in air in the presence of tetraoctylammonium bromide-stabilized gold nanoparticles. The microstructure of these novel heterostructures, especially the interface between gold nanoparticle core and Cu2O shell, has been investigated in detail using high-resolution transmission electron microscopy (HRTEM). Chemical analyses have been performed on a single Au-Cu2O core-shell nanocube using energy dispersive X-ray spectroscopy (EDS) in the scanning transmission electron microscopy ( STEM). Based on the experimental results, a growth mechanism is proposed. (c) 2008 Elsevier B. V. All rights reserved.
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