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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

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

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

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 languageEnglish (US)
Pages (from-to)6052-6055
Number of pages4
JournalAngewandte Chemie - International Edition
Volume50
Issue number27
DOIs
StatePublished - Jun 27 2011
Externally publishedYes

Keywords

  • gold
  • morphology transformation
  • nanostructures
  • palladium
  • particle coalescence

ASJC Scopus subject areas

  • Catalysis
  • General Chemistry

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