Figure 5.

HR-TEM images of the Ag/pyr sample. The graphitic layers can be seen surrounding the individual silver nanoparticles, thus forming a carbon matrix where the nanoparticles are encapsulated. In thelast imagea single silver nanoparticle and its typical interlayer spacing is shown in magnification

Dallas et al. Nanoscale Research Letters 2009 4:1358-1364   doi:10.1007/s11671-009-9405-8