Figure 2.

SEM image of SWCNT networks before and after UV irradiation. (a) Before UV irradiation; after (b) 5, (c) 10, (d) 20, (e) 30, (f) 40, and (g) 60 min of UV irradiation.

Chen et al. Nanoscale Research Letters 2012 7:644   doi:10.1186/1556-276X-7-644
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