Large-scale synthesis of silver nanocubes: The role of HCl in promoting cube perfection and monodispersity

Hyuk Im Sang, Tack Lee Yun, Benjamin Wiley, Younan Xia

Research output: Contribution to journalArticle

484 Citations (Scopus)

Abstract

(Chemical Equation Presented) One lump or two! Selective etching of twinned seeds, mediated by HCl and the oxygen in air, resulted in high yields of perfect single-crystal silver nanocubes in a range of sizes (30-130 nm). The chloride ion enhances oxidation and prevents aggregation, while the proton decreases the rate of reduction and facilitates etching through the formation of nitric acid.

Original languageEnglish
Pages (from-to)2154-2157
Number of pages4
JournalAngewandte Chemie - International Edition
Volume44
Issue number14
DOIs
Publication statusPublished - 2005 Mar 29
Externally publishedYes

Keywords

  • Aggregation
  • Crystal growth
  • Nanostructures
  • Polyol synthesis
  • Silver

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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