Z‐Scheme 2D/2D Heterojunction of Black Phosphorus/Monolayer Bi<sub>2</sub>WO<sub>6</sub> Nanosheets with Enhanced Photocatalytic Activities

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  • Jundie Hu
    College of Chemistry Chemical Engineering and Materials Science Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou 215123 P. R. China
  • Dongyun Chen
    College of Chemistry Chemical Engineering and Materials Science Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou 215123 P. R. China
  • Zhao Mo
    Institute for Energy Research Jiangsu University Zhenjiang 212013 P. R. China
  • Najun Li
    College of Chemistry Chemical Engineering and Materials Science Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou 215123 P. R. China
  • Qingfeng Xu
    College of Chemistry Chemical Engineering and Materials Science Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou 215123 P. R. China
  • Hua Li
    College of Chemistry Chemical Engineering and Materials Science Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou 215123 P. R. China
  • Jinghui He
    College of Chemistry Chemical Engineering and Materials Science Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou 215123 P. R. China
  • Hui Xu
    Institute for Energy Research Jiangsu University Zhenjiang 212013 P. R. China
  • Jianmei Lu
    College of Chemistry Chemical Engineering and Materials Science Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou 215123 P. R. China

説明

<jats:title>Abstract</jats:title><jats:p>Black phosphorus (BP), a star‐shaped two‐dimensional material, has attracted considerable attention owing to its unique chemical and physical properties. BP shows great potential in photocatalysis area because of its excellent optical properties; however, its applications in this field have been limited to date. Now, a Z‐scheme heterojunction of 2D/2D BP/monolayer Bi<jats:sub>2</jats:sub>WO<jats:sub>6</jats:sub> (MBWO) is fabricated by a simple and effective method. The BP/MBWO heterojunction exhibits enhanced photocatalytic performance in photocatalytic water splitting to produce H<jats:sub>2</jats:sub> and NO removal to purify air; the highest H<jats:sub>2</jats:sub> evolution rate of BP/MBWO is 21042 μmol g<jats:sup>−1</jats:sup>, is 9.15 times that of pristine MBWO and the NO removal ratio was as high as 67 %. A Z‐scheme photocatalytic mechanism is proposed based on monitoring of <jats:sup>.</jats:sup>O<jats:sub>2</jats:sub><jats:sup>−</jats:sup>, <jats:sup>.</jats:sup>OH, NO<jats:sub>2</jats:sub>, and NO<jats:sub>3</jats:sub><jats:sup>−</jats:sup> species in the reaction. This work broadens applications of BP and highlights its promise in the treatment of environmental pollution and renewable energy issues.</jats:p>

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