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The high activity and stability of La0.5Ba0.5MnO3 nanocubes in the oxidation of CO and CH4

Paper ID Volume ID Publish Year Pages File Format Full-Text
47371 46470 2010 9 PDF Available
Title
The high activity and stability of La0.5Ba0.5MnO3 nanocubes in the oxidation of CO and CH4
Abstract

La0.5Ba0.5MnO3 nanocubes and nanoparticles were synthesized by hydrothermal and co-precipitation methods, respectively. The catalytic performances and thermal stabilities of the samples in the oxidation of CO and CH4 were evaluated. La0.5Ba0.5MnO3 nanocubes showed much higher catalytic activity and thermal stability in CO and CH4 oxidation compared with the nanoparticles. After running at 560 °C for 50 h under the reaction conditions in CH4 oxidation, the surface area of the nanoparticles decreased significantly, while the nanocubes well maintained their surface area. Jahn–Teller effect had a significant influence on the catalytic performances of La0.5Ba0.5MnO3 nanocubes and nanoparticles. The much higher catalytic activity and thermal stability of La0.5Ba0.5MnO3 nanocubes were mainly predominated by the perfect single crystal structure.

Keywords
La0.5Ba0.5MnO3; Nanocubes; Single crystal structure; Jahn–Teller distortion; CO oxidation; CH4 oxidation
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The high activity and stability of La0.5Ba0.5MnO3 nanocubes in the oxidation of CO and CH4
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 96, Issues 3–4, 7 June 2010, Pages 267–275
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us