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2D/2D BiOIO_(3)/g-C_(3)N_(4) S-scheme hybrid heterojunction with face-to-face interfacial contact for effective photocatalytic H_(2) production and norfloxacin degradation

引用

Journal of Materials Science & Technology 2023年第17期148卷 19-30页

作者： Dong-Eun Lee Satyanarayana Moru kasalaprabhakar reddy Wan-Kuen Jo Surendar Tonda School of Architecture CivilEnvironmental and Energy EngineeringKyungpook National University80 Daehak-roBuk-guDaegu 41566Republic of Korea School of Advanced Sciences Vellore Institute of Technology-Andhra Pradesh(VIT-AP University)AmaravatiAndhra Pradesh 522237India Department of Chemistry and Biochemistry University of South Carolina631 Sumter StreetColumbiaSC 29208United States

A two-dimensional(2D)/2D hybrid heterojunction with face-to-face interfacial assembly is a desirable dimensionality design with significant potential for various photocatalytic applications due to the large interfacial contact area,which facilitates charge migration and ***,we developed an ef-ficient 2D/2D hybrid heterojunction consisting of BiOIO 3 nanoplates(BIO)and g-C_(3)N_(4) nanosheets(CN)using a simple but effective in situ growth method for photocatalytic aqueous antibiotic degradation and H_(2) *** face-to-face interfacial assembly of the BIO and CN components in the BIO/CN hy-brid heterojunction was verified using electron ***,the BIO/CN hybrid heterojunc-tion outperformed both the BIO and CN counterparts in terms of norfloxacin degradation and H_(2) gen-eration under simulated solar light ***,the photocatalytic performance of the hybrid catalyst remained nearly unchanged throughout five consecutive test *** exceptional performance and stability of the hybrid catalyst are attributable to its extended optical absorption range,large interfa-cial contact area provided by the face-to-face assembly in the 2D/2D hybrid configuration,and enhanced photoexcited charge separation efficiency and redox power of the separated charges,which are supported by an efficient S-scheme charge transfer *** study illuminates the rational construction of novel 2D/2D S-scheme hybrid heterojunction photocatalysts with practical applications in environmental remediation and sustainable energy generation.

关键词： g-C_(3)N_(4) BiOIO_(3) Face-to-face interface 2D/2D heterojunction S-scheme charge transfer Solar energy conversion

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