NDLI: Enhancing catalytic performance of Pt-based electrodes with a noncovalent interaction-induced functionalized carbon nanotube-grafted matrix

Content Provider	Royal Society of Chemistry (RSC)
Author	Vestergaard, Mun'delanji C. Yoshikawa, Hiroyuki Tamiya, Eiichi Hoa, Le Quynh Saito, Masato
Copyright Year	2012
Abstract	Although noncovalent interactions are well-known as one of the key factors in preparing molecular recognition systems in catalytic bio-processes, relatively less work has been done to utilize this knowledge to improve the performance of conventional metal electrodes. Our approach makes use of functionalized multi-walled carbon nanotube (f-MWCNT) matrices to fine-tune catalytic activities of Pt nanoparticle-decorated multi-walled carbon nanotubes (Pt/MWCNTs) towards enhanced ethanol oxidation reaction (EOR). By encapsulating Pt/MWCNTs with f-MWCNTs, noncovalent interactions derived from the designed functional groups could be involved in the EOR in terms of enhanced kinetics and de-poisoning capabilities. Different types of functional groups are studied to reveal the tunability of functional matrices in creating different degrees and types of noncovalent interactions, while a number of reaction parameters are studied to understand how noncovalent interactions work in EOR. These results provide important strategies for exploring ways to tune catalytic activities of organic material-based catalysts by combining biomimetic catalysts and conventional catalytic metals, paving the way for future development of organo-metallic fuel cells.
Starting Page	14705
Ending Page	14714
Page Count	10
File Format	HTM / HTML PDF
ISSN	09599428
Volume Number	22
Issue Number	29
Journal	Journal of Materials Chemistry
DOI	10.1039/c2jm32600k
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	EOR Molecular recognition Carbon nanotube Ethanol Biomimetics
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry

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