Nanographite impurities dominate electrochemistry of carbon nanotubes

Adriano Ambrosi; Martin Pumera

doi:10.1002/chem.201001584

Nanographite impurities dominate electrochemistry of carbon nanotubes

Adriano Ambrosi, Martin Pumera

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

73 Citations (Scopus)

Abstract

Junk does the work: The observed heterogeneous electron-transfer (HET) rate of multiwalled carbon nanotube (MWCNT) materials is comparable to that of graphite only because CNT materials contain large quantities of nanographite impurities. When pure CNTs are used, the observed HET rate is actually significantly lower than that of graphitic materials. In other words, most of the electrochemical activity of CNTs is due to the presence of the nanographite impurities contained within them. (Figure Presented)

Original language	English
Pages (from-to)	10946-10949
Number of pages	4
Journal	Chemistry - A European Journal
Volume	16
Issue number	36
DOIs	https://doi.org/10.1002/chem.201001584
Publication status	Published - 2010 Sep 24

All Science Journal Classification (ASJC) codes

Catalysis
Organic Chemistry

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title = "Nanographite impurities dominate electrochemistry of carbon nanotubes",

abstract = "Junk does the work: The observed heterogeneous electron-transfer (HET) rate of multiwalled carbon nanotube (MWCNT) materials is comparable to that of graphite only because CNT materials contain large quantities of nanographite impurities. When pure CNTs are used, the observed HET rate is actually significantly lower than that of graphitic materials. In other words, most of the electrochemical activity of CNTs is due to the presence of the nanographite impurities contained within them. (Figure Presented)",

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AU - Pumera, Martin

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AB - Junk does the work: The observed heterogeneous electron-transfer (HET) rate of multiwalled carbon nanotube (MWCNT) materials is comparable to that of graphite only because CNT materials contain large quantities of nanographite impurities. When pure CNTs are used, the observed HET rate is actually significantly lower than that of graphitic materials. In other words, most of the electrochemical activity of CNTs is due to the presence of the nanographite impurities contained within them. (Figure Presented)

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Nanographite impurities dominate electrochemistry of carbon nanotubes

Abstract

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