Table 2.
Summary of TiO2 photocatalysts for the H2O2 production
| Catalyst | Organic sacrificial agent | Irradiation condition | H2O2 yield | AQY (%) | Refs. |
|---|---|---|---|---|---|
| Co@TiO2 | – | λ = 400 nm | 1.71 mmol dm−3(60 min) | – | [131] |
| TiO2 | Benzylic alcohol | λ > 280 nm | 40 mM (12 h) | 29.1 (λ = 334 nm) | [148] |
| Au/SnO2–TiO2 | Alcohol | UV | ~ 15 mM (25 h) | – | [149] |
| Au/[SnO2–NR#TiO2] | Ethanol | λ > 430 nm | ~ 60 μM (6 h) | – | [150] |
| RuO2#TiO2-Au | – | λ > 300 nm | ~ 80 μM (1 h) | – | [151] |
| Au/TiO2 | C2H5OH | λ > 300 nm | ~ 6 mM (24 h) | 13 (λ = 355 ± 23 nm) | [133] |
| BM-Au/TiO2 − CO32− | Formic acid | λ > 430 nm | 640 ± 60 μM(1 h) | 5.4 (λ = 530 nm) | [135] |
| AuAg/TiO2 | Ethanol | λ > 280 nm | 3.4 mM (12 h) | – | [139] |
| Pd/APTMS/TiO2 | – | simulated sunlight irradiation | 150 μM h−1 | – | [152] |
| SN-GQD/TiO2 | 2-propanol | λ ≥ 300 nm | 451 μM (60 min) | – | [143] |
| Nf-SNG/TiO2 | 2-propanol | λ ≥ 300 nm | 745.5 μM (120 min) | – | [144] |
| HTNT-CD | – | λ > 365 nm | 84.7 μmol (1 h) | 5.2 (λ = 365 nm) | [153] |
| Cu2+/TiO2 | – | λ = 300–400 nm | 8 μM (5 min) | – | [145] |
| F-TiO2 | HCOOH | λ = 360 nm | 1–1.3 mM | – | [147] |
| Zn2+/TiO2 | – | mercury lamp (125 W) | 0.22 mM (3 h) | – | [146] |
| TiO2-PW9 | Benzyl alcohol | λ = 200–1100 nm | 38.2 μmol (2 h) | – | [154] |
| rGO/TiO2/CoPi | 2-propanol | λ ≥ 320 nm | 80 μM (3 h) | – | [155] |