Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/99933
Title: Highly active bidirectional electron transfer by a self-assembled electroactive reduced-graphene-oxide-hybridized biofilm
Authors: Yong, Yang-Chun
Yu, Yang-Yang
Zhang, Xinhai
Song, Hao
Keywords: DRNTU::Engineering::Materials::Microelectronics and semiconductor materials::Thin films
DRNTU::Engineering::Chemical engineering::Biochemical engineering
Issue Date: 2014
Source: Yong, Y. C., Yu, Y. Y., Zhang, X., & Song, H. (2014). Highly Active Bidirectional Electron Transfer by a Self-Assembled Electroactive Reduced-Graphene-Oxide-Hybridized Biofilm. Angewandte Chemie International Edition, 53(17), 4480-4483.
Series/Report no.: Angewandte chemie international edition
Abstract: Low extracellular electron transfer performance is often a bottleneck in developing high-performance bioelectrochemical systems. Herein, we show that the self-assembly of graphene oxide and Shewanella oneidensis MR-1 formed an electroactive, reduced-graphene-oxide-hybridized, three-dimensional macroporous biofilm, which enabled highly efficient bidirectional electron transfers between Shewanella and electrodes owing to high biomass incorporation and enhanced direct contact-based extracellular electron transfer. This 3D electroactive biofilm delivered a 25-fold increase in the outward current (oxidation current, electron flux from bacteria to electrodes) and 74-fold increase in the inward current (reduction current, electron flux from electrodes to bacteria) over that of the naturally occurring biofilms.
URI: https://hdl.handle.net/10356/99933
http://hdl.handle.net/10220/19648
ISSN: 1433-7851
DOI: 10.1002/anie.201400463
Rights: © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SCBE Journal Articles

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