SEM image (top) shows that the BN aerogel consists of BN nanotubes coated by the nanosheets. TEM images (bottom) exhibit the tubular morphologies of the aerogel at a higher magnification. Scale bar is 5 nm for the inset.
Yangxi Song, Bin Li, Siwei Yang, Guqiao Ding, Changrui Zhang &amp; Xiaoming Xie
CC BY 4.0
<a rel="nofollow" class="external free" href="http://www.nature.com/articles/srep10337">http://www.nature.com/articles/srep10337</a>