Figure 3.

SEM images of Au NRs/graphene hybrid composites with different weight ratios: 1:1 (A), 2:1 (B), 5:1 (C), 10:1 (D), 20:1 (E), 100:1 (F). Scale bar: 800 nm.

Feng et al. Nanoscale Research Letters 2011 6:551   doi:10.1186/1556-276X-6-551
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