Figure 2.

TEM image (a) and EDS spectrum (b) of SiO2-coated single wall carbon nanotube (SWCNT@SiO2) composites resulting from a co-condensation reaction between plasma-treated SWCNTs and TEOS for 3 h; TEM image of SWCNT@SiO2(c) obtained by co-condensation reaction between plasma-treated SWCNTs and TEOS for 12 h. Thescale barsare 50 nm

Li et al. Nanoscale Research Letters 2009 4:1384-1388   doi:10.1007/s11671-009-9409-4