Figure 2
From: Ultralight boron nitride aerogels via template-assisted chemical vapor deposition

Raman spectra.
(a) Raman spectra of a carbon areogel template, a BN/carbon aerogel and a BN aerogel. (b) The (+) peak of the BN/carbon aerogel in panel a is attributed to two parts—the D peak of carbon and the E2g vibration peak of BN as fitted by Gaussian curves.