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. 2016 Mar 22;10(4):4695–4703. doi: 10.1021/acsnano.6b01104

Figure 4.

Figure 4

Planar C22@GO–CNT/GO composites. (a) SEM image of cross sections of free-standing planar composites is shown. The composite was made up by vacuum filtrating aqueous mixture containing 25% of C22@GO–CNT microcapsules and 75% GO in concentration. The top-view of the composite (b) shows the microcapsules fully covered by GO sheets. Several layers were stripped off the planar 25-C22@GO–CNT/GO. (c) High-resolution SEM shows the capsules are embedded at basal plane of GO sheets, resulting in a “built-in” structure. (d) An LED lamp was illumined when r25-C22@GO–CNT/GO was connected between clips. And so were the other composite containing 0–100% C22@GO–CNT microcapsules. (e) A rC22@GO–CNT/GO composite remains flexible when the C22@GO–CNT concentration is below 50%. Scale bar: (a) 10 μm; (b and c) 1 μm.