Figure 1.

TEM images of GO, RGO-GeNPs and PSS-RGO-GeNPs at different magnifications. (a,b) GO. (c,d) RGO-GeNPs. (e,f) PSS-RGO-GeNPs.

Yin et al. Nanoscale Research Letters 2013 8:422   doi:10.1186/1556-276X-8-422
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