Journal
CHEMNANOMAT
Volume 6, Issue 7, Pages 998-1013Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cnma.202000139
Keywords
Hollow nanostructures; galvanic exchange; Kirkendall effect; dealloying; alloying
Categories
Funding
- United States National Science Foundation [DMR-1253231]
- United States Department of Energy [DE-SC0016574]
- University of South Carolina
- U.S. Department of Energy (DOE) [DE-SC0016574] Funding Source: U.S. Department of Energy (DOE)
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Galvanic exchange occurring within the confinement by nanoparticulate templates provides a unique pathway to controllably transform solid metallic nanoparticles into architecturally more sophisticated multimetallic hollow nanostructures under facile reaction conditions. In this Minireview, we elaborately discuss how the nanoparticle-templated galvanic exchange can be deliberately coupled with redox manipulation to synthesize a large library of complex multimetallic hollow nanostructures exhibiting precisely tailored architectures and compositions, with a particular emphasis on important mechanistic insights concerning the dynamic interplay among multiple structure-remodeling processes that synergistically dictate the versatile nanoparticle transforming behaviors during kinetically and regioselectively modulated galvanic exchange reactions.
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