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Comment on “Colloidal stability of reduced graphene oxide materials prepared using different reducing agents” by Y. Qi, T. Xia, Y. Li, L. Duan and W. Chen, Environ. Sci.: Nano, 2016, 3, 1062

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Abstract

The colloidal stability of graphene oxide (GO) and its reduced forms can be described using classical DLVO theory. This contradicts the claims by Qi et al. (Environ. Sci.: Nano, 2016, 3, 1062–1071). Lower colloidal stability of reduced GO is caused by changes in surface charging and optical properties of GO upon reduction which leads to the suppression of double layer forces but enhancement of van der Waals forces, respectively.

Graphical abstract: Comment on “Colloidal stability of reduced graphene oxide materials prepared using different reducing agents” by Y. Qi, T. Xia, Y. Li, L. Duan and W. Chen, Environ. Sci.: Nano, 2016, 3, 1062

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Publication details

The article was received on 22 Sep 2016, accepted on 22 Jan 2017 and first published on 26 Apr 2017


Article type: Comment
DOI: 10.1039/C6EN00424E
Citation: Environ. Sci.: Nano, 2017, Advance Article
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    Comment on “Colloidal stability of reduced graphene oxide materials prepared using different reducing agents” by Y. Qi, T. Xia, Y. Li, L. Duan and W. Chen, Environ. Sci.: Nano, 2016, 3, 1062

    M. Moazzami Gudarzi, Environ. Sci.: Nano, 2017, Advance Article , DOI: 10.1039/C6EN00424E

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