fig7

Figure 7. (A) Schematic illustration of Ti3C2Tx MXene acting as an electron reservoir to enhance the photocatalytic activity of 2D In2S3 by forming Schottky heterojunctions; (B) Schematic illustration of Ti3C2Tx MXene enhancing photocatalytic activity of In2S3 through Schottky heterojunctions; (C) CO2 photoreduction performances and corresponding selectivity over pure Bi2O2SiO3 and Bi2O2SiO3/Ti3C2; Calculated work functions of (D) Bi2O2SiO3 and (E) Ti3C2; (F) Charge difference distribution coupled ELF and (G) calculated planar averaged electron density difference Δρ(z) of the Bi2O2SiO3/Ti3C2; (H) Relative energy-level diagram and photogenerated electron transfer process at the interface of the hybrids. (C-H) Reproduced with permission[109]. Copyright Elsevier. ELF: Electronic location function.





