One step synthesis of hierarchical dendritic Pt nanostructures with a concave Pt octahedron building unit via simultaneous vertex growth and facet etching

Donghwan Yoon, Sulgi Bang, Haneul Jin, Hionsuck Baik, Kwangyeol Lee

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Hierarchical dendritic nanostructures are rare and are usually synthesized by seed mediated epitaxial growth, which requires understanding of the symmetry-directed growth of the epitaxial layer on the facet-controlled nanocrysalline seed. Such a synthetic protocol involves alternation of the reaction conditions, and the one step synthesis of a hierarchical dendritic structure with exact mother to daughter crystal replication is a rarity. Herein we report a convenient one step synthesis of hierarchical dendritic Pt nanostructures with a concave Pt octahedron building unit by adopting reaction conditions in which Pt nanocrystal growth is extremely slow due to the reduction rate slowing the facet-etching process under an oxidizing atmosphere.

Original languageEnglish
Pages (from-to)6848-6851
Number of pages4
JournalCrystEngComm
Volume17
Issue number36
DOIs
Publication statusPublished - 2015 Mar 20

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Seed
flat surfaces
Etching
Nanostructures
apexes
etching
seeds
Epitaxial layers
Crystal symmetry
synthesis
Epitaxial growth
Nanocrystals
alternations
Crystals
nanocrystals
atmospheres
symmetry
crystals

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

One step synthesis of hierarchical dendritic Pt nanostructures with a concave Pt octahedron building unit via simultaneous vertex growth and facet etching. / Yoon, Donghwan; Bang, Sulgi; Jin, Haneul; Baik, Hionsuck; Lee, Kwangyeol.

In: CrystEngComm, Vol. 17, No. 36, 20.03.2015, p. 6848-6851.

Research output: Contribution to journalArticle

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