Exploiting core–shell and core–alloy interfaces for asymmetric growth of nanoparticles

Peter N. Njoki; Patrick Lutz; Wenjie Wu; Louis Solomon; Mathew M. Maye

doi:10.1039/c2cc34184k

Exploiting core–shell and core–alloy interfaces for asymmetric growth of nanoparticles

Peter N. Njoki, Patrick Lutz, Wenjie Wu, Louis Solomon, Mathew M. Maye

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

The alloy phase behavior of nanoparticle (NP) interfaces has been used to tailor asymmetric growth. Using either Au–Pd core–shell or Au–Au_xPd_1−x core–alloy NP starting materials, the deposition of Ag resulted in asymmetric and symmetric growth respectively. The phase segregation of the interface was confirmed by TEM and electrocatalytic activity.

Original language	English (US)
Pages (from-to)	10449-10451
Number of pages	3
Journal	Chemical Communications
Volume	48
Issue number	84
DOIs	https://doi.org/10.1039/c2cc34184k
State	Published - Sep 26 2012

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
General Chemistry
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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title = "Exploiting core–shell and core–alloy interfaces for asymmetric growth of nanoparticles",

abstract = "The alloy phase behavior of nanoparticle (NP) interfaces has been used to tailor asymmetric growth. Using either Au–Pd core–shell or Au–AuxPd1−x core–alloy NP starting materials, the deposition of Ag resulted in asymmetric and symmetric growth respectively. The phase segregation of the interface was confirmed by TEM and electrocatalytic activity.",

author = "Njoki, {Peter N.} and Patrick Lutz and Wenjie Wu and Louis Solomon and Maye, {Mathew M.}",

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AU - Njoki, Peter N.

AU - Lutz, Patrick

AU - Wu, Wenjie

AU - Solomon, Louis

AU - Maye, Mathew M.

PY - 2012/9/26

Y1 - 2012/9/26

N2 - The alloy phase behavior of nanoparticle (NP) interfaces has been used to tailor asymmetric growth. Using either Au–Pd core–shell or Au–AuxPd1−x core–alloy NP starting materials, the deposition of Ag resulted in asymmetric and symmetric growth respectively. The phase segregation of the interface was confirmed by TEM and electrocatalytic activity.

AB - The alloy phase behavior of nanoparticle (NP) interfaces has been used to tailor asymmetric growth. Using either Au–Pd core–shell or Au–AuxPd1−x core–alloy NP starting materials, the deposition of Ag resulted in asymmetric and symmetric growth respectively. The phase segregation of the interface was confirmed by TEM and electrocatalytic activity.

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Exploiting core–shell and core–alloy interfaces for asymmetric growth of nanoparticles

Abstract

ASJC Scopus subject areas

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