Differentiation of chemical reaction activity of various carbon nanotubes using redox potential: Classification by physical and chemical structures

Autor:	Shinsuke Kobayashi, Vincent Castranova, Morinobu Endo, Shuji Tsuruoka, Takashi Yanagisawa, Dale W. Porter, Hidetoshi Matsumoto, Naoto Saito
Rok vydání:	2015
Předmět:	Materials science Kinetics chemistry.chemical_element Nanotechnology General Chemistry Carbon nanotube Chemical reaction Redox Article law.invention Chemical kinetics chemistry Chemical engineering law Nano General Materials Science Reactivity (chemistry) Carbon
Zdroj:	Carbon. 95:302-308
ISSN:	0008-6223
DOI:	10.1016/j.carbon.2015.08.048
Popis:	The present study systematically examined the kinetics of a hydroxyl radical scavenging reaction of various carbon nanotubes (CNTs) including double- walled and multi-walled carbon nanotubes (DWCNTs and MWCNTs), and carbon nano peapods (AuCl3@DWCNT). The theoretical model that we recently proposed based on the redox potential of CNTs was used to analyze the experimental results. The reaction kinetics for DWCNTs and thin MWCNTs agreed well with the theoretical model and was consistent with each other. On the other hand, thin and thick MWCNTs behaved differently, which was consistent with the theory. Additionally, surface morphology of CNTs substantially influenced the reaction kinetics, while the doped particles in the center hollow parts of CNTs (AuCl3@DWCNT) shifted the redox potential in a different direction. These findings make it possible to predict the chemical and biological reactivity of CNTs based on the structural and chemical nature and their influence on the redox potential. (C) 2015 Elsevier Ltd. All rights reserved. Article CARBON. 95:302-308 (2015)
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9070aed36b5269db915b2fabffa6edc1 https://doi.org/10.1016/j.carbon.2015.08.048 Zobrazit plný text záznamu Full Text from ScienceDirect