One step synthesis of hierarchical dendritic Pt nanostructures with a concave Pt octahedron building unit via simultaneous vertex growth and facet etching
- Authors
- Yoon, Donghwan; Bang, Sulgi; Jin, Haneul; Baik, Hionsuck; Lee, Kwangyeol
- Issue Date
- 2015
- Publisher
- ROYAL SOC CHEMISTRY
- Citation
- CRYSTENGCOMM, v.17, no.36, pp.6848 - 6851
- Indexed
- SCIE
SCOPUS
- Journal Title
- CRYSTENGCOMM
- Volume
- 17
- Number
- 36
- Start Page
- 6848
- End Page
- 6851
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/96115
- DOI
- 10.1039/c5ce00438a
- ISSN
- 1466-8033
- 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.
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