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Resolution: standard / high Figure 2 .
GO-film-functionalized IDE. (a) Photograph of stable GO dispersion (1 mg ml−1). (b) Schematic illustration of the IDE functionalized by GO films. (c) Tapping-mode AFM image of the GO sheets. (d) The height curve of the selected GO sheet shown in (c).
Yao et al. Nanoscale Research Letters 2012 7:363 doi:10.1186/1556-276X-7-363 |
