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Paper-structured fiber composites impregnated with platinum nanoparticles synthesized on a carbon fiber matrix for catalytic reduction of nitrogen oxides

Paper ID Volume ID Publish Year Pages File Format Full-Text
47681 46479 2009 6 PDF Available
Title
Paper-structured fiber composites impregnated with platinum nanoparticles synthesized on a carbon fiber matrix for catalytic reduction of nitrogen oxides
Abstract

Platinum nanoparticles (PtNPs) were synthesized on surface-activated carbon fibers with high thermal conductivity, and paper-structured composites were fabricated by a papermaking technique, using the PtNPs-supported carbon fibers and ceramic fibers as matrix materials. As-prepared materials, denoted paper-structured PtNPs catalyst, possessed a unique porous microstructure derived from entangled inorganic fiber networks on which PtNPs were well dispersed. In catalytic reduction of nitrogen oxides (NOX) in the presence of methane (CH4), both of which are model exhaust gas components of combustion engines, paper-structured PtNPs catalyst demonstrated excellent NOX and CH4 removal efficiency and rapid thermal responsiveness by comparison with the PtNPs-supported carbon fibers, commercial Pt catalyst powders and a monolithic Pt-loaded honeycomb. These features of the new catalyst material are thought to arise from synergistic effects of the highly active PtNPs in association with the unique paper-like microstructure, in promoting effective transfer of heat and reactants to the active sites of the Pt nanocatalysts. The paper-structured PtNPs catalyst with paper-like practical utility is expected to be a promising catalytic material for efficient NOX gas purification.

Keywords
Carbon fiber; Platinum nanoparticles; Paper-structured catalyst; Nitrogen oxides; Catalytic gas purification
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Paper-structured fiber composites impregnated with platinum nanoparticles synthesized on a carbon fiber matrix for catalytic reduction of nitrogen oxides
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 90, Issues 3–4, 17 August 2009, Pages 699–704
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
Online Support
Any Questions? feel free to contact us