Formation and size distribution of fullerene clusters formed on ST-cut quartz substrates. By visible light microscopy (a) as-deposited, after pretreatment for 75 min in (b) air, and (c) Ar. The upper row shows clusters originally dispersed in acetone while the lower row shows those clusters originally dispersed in toluene. (d) Median and FWHM of the as-deposited and pretreated fullerene clusters.
Ibrahim et al. Nanoscale Research Letters 2013 8:265 doi:10.1186/1556-276X-8-265