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Graphitic carbon nitride (g-C3N4) was produced on a large scale by the pyrolysis of urea under ambient pressure without additive assistance. The retainable pyrolysis-generated self-supporting atmosphere and the reaction temperature are two necessary conditions. This g-C3N4 as photocatalyst shows recyclable adsorption and photocatalytic activity under visible light.
Liu et al. (Sat,) studied this question.
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