AFM/SEM images of (a) single CNT21 (b) sparse, growth-aligned CNT network162 (c) dielectrophoresis (DEP)-aligned CNT network168 and (d) random CNT network.169 Images adapted with permission from Ref. 162 Copyright 2017, Nature Publishing Group; Ref. 21, Copyright 2000, American Association for the Advancement of Science; Ref. 168, Copyright 2010, Springer; Ref. 169, Copyright 2011, American Chemical Society.