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- Title
Facet Coupling Design for Bi<sub>4</sub>TaO<sub>8</sub>Cl/g‐C<sub>3</sub>N<sub>4</sub> via Electrostatic Self‐Assembly to Enhance Photocatalytic Activity.
- Authors
Liu, Chengyin; Zhang, Yihe; Li, Xiaoqiang; Wang, Wei; Huang, Hongwei; Gao, Changfei; Xu, Shanshan; Hu, Wenwen; Zhang, Yuda
- Abstract
Finely heterojunction and coupling facets design are essential to enhance photocatalytic activity. Herein, 2D/2D g‐C3N4−Bi4TaO8Cl catalysts were generated by ball‐milling‐assisted electrostatic self‐assembly strategy. The surface charge of Bi4TaO8Cl‐(001) facet can be fine altered from negative to positive by acidic solution treatment, resulting in that Bi4TaO8Cl nanoplates are parallelly coupled with g‐C3N4‐(002) plane to form top‐top coupling facets. The facets coupling optimization, strong interfacial electric field and contact, and rapid charge transfer endow (002)g‐C3N4/(001) Bi4TaO8Cl catalysts with greatly enhanced photocatalytic activity of CO production and MO degradation relative to individual g‐C3N4, Bi4TaO8Cl and lateral‐top g‐C3N4−Bi4TaO8Cl catalyst. This present study provides inspiration to further design high‐performance heterojunction catalysts by adjusting surface charge with simple method.
- Subjects
PHOTOCATALYSTS; ELECTRIC contacts; SURFACE charges; CHARGE transfer; ELECTRIC fields; SILVER
- Publication
ChemPhotoChem, 2022, Vol 6, Issue 2, p1
- ISSN
2367-0932
- Publication type
Article
- DOI
10.1002/cptc.202100184