Figure 10.

CNT film peeled off and its SEM image: a CNT film peeled off from quartz slide and transferred into water, b CNT film spreading after dropping some ethanol to water, c the free-standing film obtained after drying in oven, d SEM image of the as-obtained CNTs

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