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Novel mesoporous TiO2@g-C3N4 hollow core@shell heterojunction with enhanced photocatalytic activity for water treatment and H-2 production under simulated sunlight
N. Guo, Y. Zeng, H. Y. Li, X. J. Xu, H. W. Yu and X. R. Han
2018
发表期刊Journal of Hazardous Materials
卷号353页码:80-88
摘要A novel mesoporous TiO2@g-C3N4 hollow core@shell heterojunction photocatalyst was engineered for the first time by in situ calcining and growing of cyanamide (CY) on the surface of TiO2. The HTCN-1 possesses good structure and performance when the addition amount of CY is 1 mL. HTCN-1 shows high photocatalytic activity toward congo red (CR), rhodamine B (RhB), phenol and ciprofloxacin (CIP) with degradation efficiencies of 97%, 100%, 73%, and 74%, respectively. HTCN-1 also displays high photocatalytic activity for H-2 generation at rate of 7.9 mu mol h(-1). A possible charger transfer mechanism and photocatalytic degradation mechanism of HTCN-1 are proposed basing on the experiment results. The enhanced photocatalytic activity may be attributed to the higher charge transfer efficiency of photogenerated electron-hole (e(-)-h(+)) pairs caused by close contacts, a larger interfacial area, and the higher barrier for conduction bending. What's more, HTCN-1 possesses relatively high stability during the entire photoreaction process. Given the unique spatial structure and superior photocatalytic characteristics of the HTCN-1, there is great potential for applications in water treatment and H-2 generation.
文献类型期刊论文
条目标识符http://ir.iga.ac.cn/handle/131322/9218
专题中国科学院东北地理与农业生态研究所
作者单位中国科学院东北地理与农业生态研究所
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GB/T 7714
N. Guo, Y. Zeng, H. Y. Li, X. J. Xu, H. W. Yu and X. R. Han. Novel mesoporous TiO2@g-C3N4 hollow core@shell heterojunction with enhanced photocatalytic activity for water treatment and H-2 production under simulated sunlight[J]. Journal of Hazardous Materials,2018,353:80-88.
APA N. Guo, Y. Zeng, H. Y. Li, X. J. Xu, H. W. Yu and X. R. Han.(2018).Novel mesoporous TiO2@g-C3N4 hollow core@shell heterojunction with enhanced photocatalytic activity for water treatment and H-2 production under simulated sunlight.Journal of Hazardous Materials,353,80-88.
MLA N. Guo, Y. Zeng, H. Y. Li, X. J. Xu, H. W. Yu and X. R. Han."Novel mesoporous TiO2@g-C3N4 hollow core@shell heterojunction with enhanced photocatalytic activity for water treatment and H-2 production under simulated sunlight".Journal of Hazardous Materials 353(2018):80-88.
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