Enhanced full solar spectrum photocatalysis by nitrogen-doped graphene quantum dots decorated BiO2-x nanosheets: Ultrafast charge transfer and molecular oxygen activation

• Published in: Applied catalysis. B, Environmental Vol. 277; p. 119218
• Main Authors: Chen, Fei, Liu, Lian-Lian, Zhang, Ying-Jie, Wu, Jing-Hang, Huang, Gui-Xiang, Yang, Qi, Chen, Jie-Jie, Yu, Han-Qing
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 15.11.2020; Elsevier BV
• Subjects: Activation; Catalytic activity; Charge transfer; Electronic structure; Free radicals; Full spectrum; Graphene; Heterostructures; Holes (electron deficiencies); Hydroxyl radicals; Mineralization; Molecular oxygen activation; N-GQDs/BiO2-x; Nanosheets; Near infrared radiation; Nitrogen; Oxygen; Photocatalysis; Photocatalysts; Photocatalytic degradation mechanism; Photodegradation; Photoluminescence; Photons; Quantum dots; Superoxide; Synergistic effect; Tetracycline; Upconversion; N-GQDs/BiO2-x; Molecular oxygen activation; Photocatalytic degradation mechanism; Full spectrum; Tetracycline

[Display omitted] •N-GQDs/BiO2-x nanoscale heterojunctions were prepared based on 0D/2D interface engineering.•Tetracycline was efficiently degraded under full-spectrum, visible and NIR light irradiations.•Highly oxidative capacity of holes and reductive properties of electrons were achieved.•Synerg...