Figure 8.

Morphology of the as-grown products: a photograph of the products grown on silicon wafers and quartz slide, b SEM image of CNTs grown at 780°C on silicon wafer, c SEM image of CNTs grown at 820°C on silicon wafer, d SEM image of CNTs grown at 860°C on silicon wafer

Cui et al. Nanoscale Research Letters 2010 5:941-948   doi:10.1007/s11671-010-9586-1