Fig. 2
From: Laser induced white emission and photocurrent of GaN nanoceramics

The reflectance absorption spectrum of GaN nanopowder (a), the experimental band gap (b) and the emission spectrum in the visible range upon λexc = 360 nm (c).
From: Laser induced white emission and photocurrent of GaN nanoceramics
The reflectance absorption spectrum of GaN nanopowder (a), the experimental band gap (b) and the emission spectrum in the visible range upon λexc = 360 nm (c).