Catalyst-Free Bottom-Up Synthesis of Few-Layer Hexagonal Boron Nitride Nanosheets

Figure 8

UV-visible spectra of (a) BNS12 with a band gap of 5.98 eV, (b) BNS24 showing the absorption band at 6.018 eV, and (c) BNS 48 exhibiting band gap of 6.048 eV.

(a)

(b)

(c)