Spectral characterization of long-lived luminescence in h-BN nanopowder under UV excitation

I. A. Weinstein, D. M. Spiridonov, A. S. Vokhmintsev +1

Photoluminescence (PL) features of nanostructured h-BN powder are studied in the range of 200-600 nm in millisecond time window. It is found that four PL excitation bands of 4.58,…