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Table 2 Optical bandgap energy and interband states estimated based on Tauc's formulation

From: Boron Carbon Oxynitride as a Novel Metal-Free Photocatalyst

BCNO Optical band gap (eV) Interband state (eV)
BMH01 4.2
BMH03 4.0 3.3
BGH01 5.7
BGH03 5.7 3.8
  1. Tauc plots of BGH01 and BGH03 are available in Additional file 1: Fig. S14