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A Comparative Study of Galvanic Replacement Reactions Involving Ag Nanocubes and AuCl2 or AuCl4


  • This work was supported in part by a Director's Pioneer Award from the NIH (1DPOD000798) and a research grant from the NSF (DMR-0451788). Y.X. is a Camille Dreyfus Teacher Scholar (2002–2007). L.A. thanks the Center for Nanotechnology at the UW for an IGERT Fellowship funded by the NSF and NCI. We thank Dr. Sara Skrabalak for her critical reading of this manuscript. Supporting Information is available online from Wiley InterScience or from the author.


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Galvanic replacement of Ag nanocubes with AuCl2 and AuCl4 results in morphological, compositional, and spectral differences that provide insight into the reaction mechanism by which hollow/porous gold nanostructures can be prepared for biomedical applications.

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