Uniform Ag Nanocubes Prepared by AgCl Particle–Mediated Heterogeneous Nucleation and Disassembly and Their Mechanism Study by DFT Calculation

Hye Ji Han, Ju Hyun Park, Jin Kyoung Park, Imanuel Kristanto, Bum Jun Park, Sang Kyu Kwak, Sang Hyuk Im

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Uniform Ag nanocubes are reproducibly synthesized by a AgCl particle-mediated heterogeneous nucleation and disassembly process in polyol chemistry. By introducing N,N-dimethylformamide (DMF) in a conventional polyol method with HCl etchant, Ag nanocrystals (NCs) begin to be nucleated on the surface of AgCl-precipitated particles due to the promoted reduction reaction by DMF. The nucleated Ag NCs on the AgCl particles are grown to Ag nanocubes in shape by consuming Ag sources from the AgCl mother particles. Eventually the grown Ag nanocubes are disassembled from the mother AgCl particles because the AgCl particles are fully digested by the growing Ag nanocubes. Density functional theory calculation confirms that the Ag atoms can be favorably deposited on the (100) facet of AgCl particles and the Ag nuclei on the AgCl particles tend to reveal (100) facet.

Original languageEnglish
Article number1904031
JournalSmall
Volume15
Issue number43
DOIs
Publication statusPublished - 2019 Oct 1

Keywords

  • density functional theory calculation
  • heterogeneous nucleation
  • reproducibility
  • silver chloride
  • silver nanocubes

ASJC Scopus subject areas

  • Biotechnology
  • Biomaterials
  • Chemistry(all)
  • Materials Science(all)

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