Issue 12, 2017
From the journal:

Environmental Science: Nano

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†

Mohsen Moazzami Gudarzi ORCID logo a  

a Department of Inorganic and Analytical Chemistry, University of Geneva, Science II, 30, Qui Ernest-Ansermet, Geneva 1205, Switzerland
E-mail: mohsen.moazzami@unige.ch

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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Article information

DOI
https://doi.org/10.1039/C6EN00424E
Article type
Comment
Submitted
22 Sep 2016
Accepted
22 Jan 2017
First published
26 Apr 2017

Environ. Sci.: Nano, 2017,4, 2418-2420

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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, 4, 2418 DOI: 10.1039/C6EN00424E

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