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刘亚男

作品数:1 被引量:15H指数:1
供职机构:中国科学技术大学信息科学技术学院合肥微尺度物质科学国家实验室更多>>
发文基金:国家自然科学基金国家重点基础研究发展计划更多>>
相关领域:理学更多>>

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Enhanced visible-light photocatalytic activity of Z-scheme graphitic carbon nitride/oxygen vacancy-rich zinc oxide hybrid photocatalysts被引量:15
2015年
With the objectives of enhancing the stability,optical properties and visible-light photocatalytic activity of photocatalysts,we modified oxygen vacancy-rich zinc oxide(Vo-ZnO) with graphitic carbon nitride(g-C3N4). The resulting g-C3N4/Vo-ZnO hybrid photocatalysts showed higher visible-light photocatalytic activity than pure Vo-ZnO and g-C3N4. The hybrid photocatalyst with a g-C3N4 content of 1 wt% exhibited the highest photocatalytic degradation activity under visible-light irradiation(λ≥ 400 nm). In addition,the g-C3N4/Vo-ZnO photocatalyst was not deactivated after five cycles of methyl orange degradation,indicating that it is stable under light irradiation. Finally,a Z-scheme mechanism for the enhanced photocatalytic activity and stability of the g-C3N4/Vo-ZnO hybrid photocatalyst was proposed. The fast charge separation and transport within the g-C3N4/Vo-ZnO hybrid photocatalyst were attributed as the origins of its enhanced photocatalytic performance.
刘亚男王瑞霞杨正坤杜虹姜一帆申丛丛梁况徐安武
关键词:PHOTODEGRADATION
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