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CO oxidation catalyzed by RuO2 nanoparticles supported on mesoporous Al2O3 prepared via atomic layer deposition
- Authors
- Kim, IH[Kim, Il Hee]; Jeong, MG[Jeong, Myung-Geun]; Han, SW[Han, Sang Wook]; Park, EJ[Park, Eun Ji]; Hwang, YK[Hwang, Young Kyu]; Kim, YD[Kim, Young Dok]
- Issue Date
- Oct-2016
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Ruthenium oxide; CO oxidation; Atomic layer deposition; Mesoporous Al2O3
- Citation
- CURRENT APPLIED PHYSICS, v.16, no.10, pp.1407 - 1412
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- CURRENT APPLIED PHYSICS
- Volume
- 16
- Number
- 10
- Start Page
- 1407
- End Page
- 1412
- ISSN
- 1567-1739
- Abstract
- Using atomic layer deposition (ALD), RuO2 was deposited on mesoporous Al2O3 with a mean pore size of similar to 12 nm and particle diameter of similar to 1 mm. The entire internal structure of mesoporous Al2O3 was coated by RuO2 nanostructures using ALD, forming a mesoporous bead of RuO2/Al2O3. Substantially high CO oxidation activity at reaction temperatures below 100 degrees C is also shown. There was a decrease in CO oxidation activity with time at 100 degrees C, and post-annealing at 700 degrees C fully recovered the catalytic activity of fresh RuO2/Al2O3. The RuO2/Al2O3 can be useful as an oxidation catalyst for eliminating harmful molecules. (C) 2016 Elsevier B.V. All rights reserved.
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