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Constructing built-in electric field in graphitic carbon nitride hollow nanospheres by co-doping and modified in-situ Ni_(2)P for broad spectrum photocatalytic activity

引用

Journal of Materials Science & Technology 2021年第31期90卷 143-149页

作者： Linlin Zhang Wenxing Peng YaKun Li Rui Qin Dong Yue Chengjun Ge Jianjun Liao ey Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province School of Ecological and Environmental SciencesHainan UniversityHaikou 570228China Shandong Ocean Chemical Industry Scientiﬁc Research Institute Weifang 262737China School of Materials Science and Engineering Hainan UniversityHaikou 570228China

The construction of built-in electric field is generally considered as an effective strategy to enhance photocatalytic performance due to its significant role in charge ***,a built-in electric field within g-C_(3)N_4 hollow nanospheres co-doped with sulfur and oxygen and modified in-situ Ni_(2)P is ***_(2)P/SO-HC_(3)N_4 exhibits significantly enhanced board spectrum photocatalytic properties for hydrogen precipitation(5.21 mmol h^(-1)g^(-1))and photocatalytic Cr(VI)reduction without the use of noble *** also achieves high photocatalytic sterilization activity and remarkable stability when used to completely inactivate ***(10~7)in 60 min under Vis-NIR light *** enhanced performance is attributed to the formation of a curved hollow sphere structure,which promotes the electron transfer between the inner and outer *** addition,co-doping inhibits the recombination of photogenerated carriers,and the built-in electric field recombined with Ni_(2)facilitates the electron transfer between the composite *** design strategy demonstrates an original method of devising multifunctional photocatalysts with enhanced activity and stability.

关键词： Photocatalysis Ni_(2)P g-C_(3)N_4 Hollow nanospheres pt-free cocatalysts

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