Table 2
Mean size of platinum metallic nanoparticles
Hybrid material	d (nm)
Pt/VNT-CG	17.0 ± 8.1
Pt/VNT-CGR	18.5 ± 8.1
Pt/VNT-CH	6.8 ± 2.4

Mello et al. Nanoscale Research Letters 2010 5:1002   doi:10.1186/1556-276X-5-1002