Mixing an aqueous suspension of Pd or Au nanocrystals with a less polar solvent can cause changes to size, morphology, or both

Byungkwon Lim; Taekyung Yu; Jinho Park; Yiqun Zheng; Younan Xia

doi:10.1002/anie.201101666

Mixing an aqueous suspension of Pd or Au nanocrystals with a less polar solvent can cause changes to size, morphology, or both

Byungkwon Lim, Taekyung Yu, Jinho Park, Yiqun Zheng, Younan Xia

Department of Advanced Materials Science and Engineering

Washington University St. Louis

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

20 Scopus citations

Abstract

Easy control: Small Pd and Au nanocrystals exhibited a drastic change in size and/or morphology when their aqueous suspensions were mixed with a solvent (e.g., acetone or tetrahydrofuran) less polar than water. The morphological changes occurred through particle coalescence, which was triggered by the abrupt reduction in colloidal stability upon partial solvent exchange.

Original language	English
Pages (from-to)	6052-6055
Number of pages	4
Journal	Angewandte Chemie - International Edition
Volume	50
Issue number	27
DOIs	https://doi.org/10.1002/anie.201101666
State	Published - 27 Jun 2011

Keywords

gold
morphology transformation
nanostructures
palladium
particle coalescence

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10.1002/anie.201101666

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abstract = "Easy control: Small Pd and Au nanocrystals exhibited a drastic change in size and/or morphology when their aqueous suspensions were mixed with a solvent (e.g., acetone or tetrahydrofuran) less polar than water. The morphological changes occurred through particle coalescence, which was triggered by the abrupt reduction in colloidal stability upon partial solvent exchange.",

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AU - Lim, Byungkwon

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AU - Park, Jinho

AU - Zheng, Yiqun

AU - Xia, Younan

PY - 2011/6/27

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N2 - Easy control: Small Pd and Au nanocrystals exhibited a drastic change in size and/or morphology when their aqueous suspensions were mixed with a solvent (e.g., acetone or tetrahydrofuran) less polar than water. The morphological changes occurred through particle coalescence, which was triggered by the abrupt reduction in colloidal stability upon partial solvent exchange.

AB - Easy control: Small Pd and Au nanocrystals exhibited a drastic change in size and/or morphology when their aqueous suspensions were mixed with a solvent (e.g., acetone or tetrahydrofuran) less polar than water. The morphological changes occurred through particle coalescence, which was triggered by the abrupt reduction in colloidal stability upon partial solvent exchange.

KW - gold

KW - morphology transformation

KW - nanostructures

KW - palladium

KW - particle coalescence

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Mixing an aqueous suspension of Pd or Au nanocrystals with a less polar solvent can cause changes to size, morphology, or both

Abstract

Keywords

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