Preparation of platinum and palladium nanotubes using MPTMS-functionalized silica spheroids as templates
- Authors
- Lee, Yong-Geun; Oh, Chul; Park, Jae-Hyung; Koo, Sang-Man; Oh, Seong-Geun
- Issue Date
- Mar-2007
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- platinum nanotube; palladium nanotube; silica template; coating; metal reduction
- Citation
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v.13, no.2, pp.319 - 324
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
- Volume
- 13
- Number
- 2
- Start Page
- 319
- End Page
- 324
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/180399
- ISSN
- 1226-086X
- Abstract
- Platinum and palladium nanotubes were prepared by the adsorption of metal nanoparticles onto functionalized silica templates. The silanizing agent 3-mercaptopropyl trimethoxysilane was reacted with the surface of the silica templates to present thiol-terminal groups. Dissolution of the silica template using 10 M HF solution enabled the fori-nation of self-organized metallic platinum and palladium nanotubes. When the temperature of the metal reduction process was increased from 4 to 80 T, this method was more effective than the metal reduction conducted at room temperature. The platinum and palladium nanotubes were characterized by field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), and X-ray photoelectron spectroscopy (XPS).
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