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|Title:||Highly wrinkled cross-linked graphene oxide membranes for biological and charge-storage applications|
|Citation:||Tang, L.A.L., Lee, W.C., Shi, H., Wong, E.Y.L., Sadovoy, A., Gorelik, S., Hobley, J., Lim, C.T., Loh, K.P. (2012-02-06). Highly wrinkled cross-linked graphene oxide membranes for biological and charge-storage applications. Small 8 (3) : 423-431. ScholarBank@NUS Repository. https://doi.org/10.1002/smll.201101690|
|Abstract:||Inspired by the amphiphilicity of graphene oxide (GO), the surface of water is used as a template for the assembly of a GO film. Methacrylate- functionalized GO sheets can be cross-linked instantaneously at the water-air interface to form a highly wrinkled membrane spreading over an extended area. The multiple covalent linkages amongst the GO sheets enhances the in-plane stiffness of the film compared to noncovalently bonded GO films. The highly convoluted GO membrane can be used in two applications: the promoting of spontaneous stem-cell differentiation towards bone cell lineage without any chemical inducers, and for supercapacitor electrodes. Due to reduced van der Waals restacking, capacitance values up to 211 F g -1 can be obtained. The scalable and inexpensive nature of this assembly route enables the engineering of membranes for applications in regenerative medicine and energy-storage devices where secondary structures like nanotopography and porosity are important performance enhancers. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.|
|Appears in Collections:||Staff Publications|
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