Journal
LANGMUIR
Volume 25, Issue 17, Pages 10397-10401Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la900923z
Keywords
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Funding
- National Natural Science Foundation of China [20528302]
- National Basic Research Program of China [2007CB613301, 2007CB613305]
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The g-C3N4 photocatalyst was synthesized by directly heating the low-cost melamine. The methyl orange dye (MO) was selected as a photodegrading goal to evaluate the photocatalytic activity of as-prepared g-C3N4. The comparison experiments indicate that the photocatalytic activity of g-C3N4 can be largely improved by the Ag loading. The strong acid radical ion (SO42- or NO3-) can promote the degrading rate of MO for g-C3N4 photocatalysis system. The MO degradation over the g-C3N4 is mainly attributed to the photoreduction process induced by the photogenerated electrons. Our results clearly indicate that the metal-free g-C3N4 has good performance in photodegradation of organic pollutant.
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