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Issue 6, 2014
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A one-pot biosynthesis of reduced graphene oxide (RGO)/bacterial cellulose (BC) nanocomposites

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Abstract

Here, we report for the first time a one-pot in situ biosynthetic method to fabricate structurally controllable bacterial cellulose (BC)/reduced graphene oxide (RGO) composites. Graphene oxide (GO) was highly reduced during a standard autoclave process using a traditional mannitol culture medium as the reducing agent. The RGO sheets prepared exhibit a high carbon to oxygen ratio of 3.1, as compared to 1.8 for GO determined by X-ray photoelectron spectroscopy. The electrical conductivity of the RGO was found to be 23.75 S m−1. The final BC/RGO composites were developed in three distinct forms: sealed structures in water, aerogels characterized by a porous cross-section and an aligned longitudinal structure, and films embedded within the RGO sheets. Because of the simplicity and non-toxic nature of this work, this process can be used in biomedical and bioelectronics applications, which can be placed within the context of novel biocompatible materials.

Graphical abstract: A one-pot biosynthesis of reduced graphene oxide (RGO)/bacterial cellulose (BC) nanocomposites

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Supplementary files

Article information


Submitted
16 Feb 2014
Accepted
02 Apr 2014
First published
02 Apr 2014

Green Chem., 2014,16, 3195-3201
Article type
Paper
Author version available

A one-pot biosynthesis of reduced graphene oxide (RGO)/bacterial cellulose (BC) nanocomposites

A. G. Nandgaonkar, Q. Wang, K. Fu, W. E. Krause, Q. Wei, R. Gorga and L. A. Lucia, Green Chem., 2014, 16, 3195
DOI: 10.1039/C4GC00264D

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