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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 35, Number 6
BKCSDE 35(6)
June 20, 2014 

Graphitic g-C3N4-WO3 Composite: Synthesis and Photocatalytic Properties
An Tran Doan, Xuan Dieu Nguyen Thi, Phi Hung Nguyen, Viet Nga Nguyen Thi, Sung Jin Kim, Vien Vo*
Tungsten oxide, Melamine, Photocatalysis, Degradation of methylene blue
Graphitic g-C3N4-WO3 composite was synthesized simply by decomposing melamine in the presence of WO3 at 500 oC. The obtained material was characterized by XRD, SEM, IR and XPS. The results showed that the as-prepared composite exhibits orthorhombic WO3 phase coated by g-C3N4 and the g-C3N4 decomposed completely with N-doped WO3 remaining at elevated calcination temperatures. The photocatalytic activity of the composite was evaluated by the photodegradation of methylene blue under visible light. An enhancement in photocatalytic activity for the graphitic g-C3N4-WO3 composite compared to the conventional nitrogendoped WO3 was observed, which can be attributed to the presence of g-C3N4 in the material.
1794 - 1798
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