The effects of thionyl chloride on the properties of graphene and graphene-carbon nanotube composites

Jonathan K. Wassei; Kitty C. Cha; Vincent C. Tung; Yang Yang; Richard B. Kaner

doi:10.1039/c0jm02910f

The effects of thionyl chloride on the properties of graphene and graphene-carbon nanotube composites

Jonathan K. Wassei, Kitty C. Cha, Vincent C. Tung, Yang Yang^*, Richard B. Kaner

^*Corresponding author for this work

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

70 Scopus citations

Abstract

Anionic dopants have been used to reduce the overall sheet resistance of carbon nanotube and graphene films for transparent conductor applications. These enhanced electronic properties are attributed to an increased number of p-type charge carriers. While there have been many reports of its use, there is little reported insight into the chemical interactions of a commonly used dopant, thionyl chloride (SOCl₂), with pristine graphene and its chemically converted derivatives. Here, we explore the effects of thionyl chloride on the physical and chemical properties of graphene and hybrid graphene-carbon nanotube films, focusing on how the changes in conductivity correlate to the morphology of chemically converted graphene and carbon nanotube composites.

Original language	English (US)
Pages (from-to)	3391-3396
Number of pages	6
Journal	Journal of Materials Chemistry
Volume	21
Issue number	10
DOIs	https://doi.org/10.1039/c0jm02910f
State	Published - Mar 14 2011
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
Materials Chemistry

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AU - Yang, Yang

AU - Kaner, Richard B.

PY - 2011/3/14

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AB - Anionic dopants have been used to reduce the overall sheet resistance of carbon nanotube and graphene films for transparent conductor applications. These enhanced electronic properties are attributed to an increased number of p-type charge carriers. While there have been many reports of its use, there is little reported insight into the chemical interactions of a commonly used dopant, thionyl chloride (SOCl2), with pristine graphene and its chemically converted derivatives. Here, we explore the effects of thionyl chloride on the physical and chemical properties of graphene and hybrid graphene-carbon nanotube films, focusing on how the changes in conductivity correlate to the morphology of chemically converted graphene and carbon nanotube composites.

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The effects of thionyl chloride on the properties of graphene and graphene-carbon nanotube composites

Abstract

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