Unexpected solution phase formation of hollow PtSn alloy nanoparticles from Sn deposition on Pt dendritic structures

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Title
Unexpected solution phase formation of hollow PtSn alloy nanoparticles from Sn deposition on Pt dendritic structures
Author(s)
Taehyun Kwon; Jongsik Park; Hionsuck Baik; Seoin Back; Bartosz Blasiak; Minhaeng Cho; Yousung Jung; Kwangyeol Lee
Publication Date
2016-08
Journal
CRYSTENGCOMM, v.18, no.32, pp.6019 - 6023
Publisher
ROYAL SOC CHEMISTRY
Abstract
Hollow nanoparticles with a high surface-to-volume ratio have found various applications in catalysis, sensors, and energy storage, and thus new synthetic routes to these structures are of great interest. One of the best-known synthetic routes to hollow nanostructures is the utilization of the Kirkendall effect, which, however, is not useful for systems with a slow diffusing-out core such as Pt and fast diffusing-in surface elements such as Sn. Herein, we report a counterintuitive formation of hollow PtSn nanostructures by reacting dendritic Pt nanostructures with Sn precursors. © The Royal Society of Chemistry 2016
URI
https://pr.ibs.re.kr/handle/8788114/3007
ISSN
1466-8033
Appears in Collections:
Center for Molecular Spectroscopy and Dynamics(분자 분광학 및 동력학 연구단) > Journal Papers (저널논문)
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