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Table 1 Precursor sources, ratios, annealing temperatures, and times for the preparation of BGH and BMH series

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

Precursor Temperature Time (h) Mole ratio (B:N:C) Sample name
1 (boric acid, guanidine hydrochloride, hexamethylenetetramine) 600 °C 12 3:1:0.1 BGH01LT
800 °C 12 3:1:0.1 BGH01
800 °C 12 3:1:0.3 BGH03
2 (boric acid, melamine, hexamethylenetetramine) 600 °C 12 3:1:0.1 BMH01
800 °C 12 3:1:0.1 BMH01HT
600 °C 12 3:1:0.3 BMH03