Stable p-type properties of single walled carbon nanotubes by electrochemical doping

Chang Soo Park; Cheol Jin Lee; Eun Kyu Kim

doi:10.1039/c5cp01667c

Stable p-type properties of single walled carbon nanotubes by electrochemical doping

Chang Soo Park, Cheol Jin Lee, Eun Kyu Kim

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

11 Citations (Scopus)

Abstract

We report a highly stable p-type doping for single walled carbon nanotubes using an electrochemical method. The Raman spectroscopy showed the upshift of the G-band when the applied potential increased. Furthermore, the carbon core level shifted as much as 0.14 eV in binding energy of XPS measurement, which is an evidence of p-type doping with a Fermi level change. The highly doped SWCNTs at an applied potential of 1.5 V during the electrochemical doping process showed long time stability, as long as 28 days.

Original language	English
Pages (from-to)	16243-16245
Number of pages	3
Journal	Physical Chemistry Chemical Physics
Volume	17
Issue number	25
DOIs	https://doi.org/10.1039/c5cp01667c
Publication status	Published - 2015 Jul 7

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Publisher Copyright:
This journal is © the Owner Societies.

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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AB - We report a highly stable p-type doping for single walled carbon nanotubes using an electrochemical method. The Raman spectroscopy showed the upshift of the G-band when the applied potential increased. Furthermore, the carbon core level shifted as much as 0.14 eV in binding energy of XPS measurement, which is an evidence of p-type doping with a Fermi level change. The highly doped SWCNTs at an applied potential of 1.5 V during the electrochemical doping process showed long time stability, as long as 28 days.

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Stable p-type properties of single walled carbon nanotubes by electrochemical doping

Abstract

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