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SEM images of the morphological evolution from a nanosheet into a nanotube (a–d); TEM image of a joint of a scrolled nanosheet in cross‐section (e); side‐view TEM image of a nanotube with an undetached exfoliating nanosheet (f) and its magnified TEM image (g). Reproduced with permission.99 Copyright 2011, American Chemical Society.
