Journal article
Bio-inspired two-dimensional nanofluidic generators based on a layered graphene hydrogel membrane
W Guo, C Cheng, Y Wu, Y Jiang, J Gao, D Li, L Jiang
Advanced Materials | WILEY-V C H VERLAG GMBH | Published : 2013
Abstract
An electrogenetic layered graphene hydrogel membrane (GHM) possesses ultra-large interlayer spacing of about 10 nm, forming charged 2D nanocapillaries between graphene sheets that selectively permeate counter-ions and exclude co-ions. When an electrolyte flow goes through the GHM, it functions as an integrated 2D nanofluidic generator converting hydraulic motion into electricity. The maximum streaming conductance density approaches 16.8 μA cm-2 bar-1. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Grants
Funding Acknowledgements
Ms. Liping Ding (Center for physiochemical Analysis and Measurement, ICCAS) is acknowledged for technical help. This work is financially supported by the National Research Fund for Fundamental Key Projects (2011CB935700), the National Natural Science Foundation of China (21103201, 11290163, 91127025, 21121001), the Key Research Program of the Chinese Academy of Sciences (KJZD-EW-M01), and the Australian Research Council. This work made use of the facilities at the Monash Centre for Electron Microscopy.