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. Author manuscript; available in PMC: 2014 Jun 12.
Published in final edited form as: Nano Lett. 2013 May 8;13(6):2826–2830. doi: 10.1021/nl401088b

Figure 2.

Figure 2

Effects of ELP binding to rGO. (a) AFM images (2 Jm × 5 Jm) of rGO sheets (top), V50-treated rGO (middle) and V50GB-treated rGO (bottom). (b) AFM height profiles from (a) show the height increase due to ELP binding. (c) Schematic of hybrid nanoparticles going from a dispersed to aggregated state in response to temperature or nIR-light due to the ITT. (d) Images of reversible temperature induced aggregation of V50GB-treated rGO. (e) Images of aggregation induced by exposure to an 808 nm nIR laser. Aggregation occurred above the laser spot site (white asterisk) due to convection.