| TiO2 anatase particles |
8 W
Hg lamp |
CH4: 3.9 |
Optimal particle size (14 nm) resultant the highest
yield |
(66) |
| CH3OH: 0.5 |
| H2: 58.3 |
| CO:
0.5 |
| TiO2 pellets |
UV irradiation |
CH4: 6.2 |
|
(67) |
| H2: 3 |
| TiO2 (anatase, rutile,
brookite) |
90 mW/cm2 solar simulator |
CH4: 3.16 |
The yield takes the order brookite > anatase
>
rutile; the enhancement was ascribed to the formation of oxygen vacancies
and Ti3+ on the surface of brookite |
(47) |
| CO: 2.8 |
| TiO2
|
UV irradiation |
CH4: 4.11 |
|
(68) |
| CO: 0.14 |
| C2H6: 0.1 |
| TiO2 pellets (80% anatase) |
Three UVC lamps |
CH4: 4.16 |
Three UV lamps at 253.7 (nm) |
(69) |
| TiO2 pellets |
UVC lamp |
CH4: 0.25 |
|
(70) |
| H2: 0.16 |
| Ultrathin TiO2 flakes |
300 W Hg lamp |
CHOO: 1.9 |
Ultralarge surface area |
(71) |
| Anatase TiO2 by coexposed {001} and {101} facets |
300 W simulated solar Xenon arc lamp |
CH4: 1.35 |
Anatase TiO2 single crystals worked
as heterojunction
between the existences of facets |
(72) |
| Anatase TiO2 nanosheets with exposed 95% facet |
300 W xenon arc lamp |
CH4: 6 |
Exposing a higher percentage of active facets of the TiO2 photocatalyst |
(73) |
| Mesoporous TiO2 nanofibers |
300 W xenon arc lamp with UV–vis
light irradiation |
CH4: 19.55 |
Solvothermal treatment enhanced the charge separation and the
released adsorption sites |
(74) |
| Hollow anatase TiO2
|
300 W xenon arc lamp |
CH4: 1.7 |
|
(75) |
| Bicrystalline TiO2 (anatase–
brookite) |
150 W solar simulator |
CO: 2.1 |
The interfaces between anatase
and brookite nanocrystals
enhanced the charge transfer and electron–hole separation |
(76) |
| CH4: 0.05 |
| Cubic anatase TiO2
|
300 W xenon lamp |
CH4: 4.56 |
High crystallinity
and the band position of coexposed
facets {100} and {001} are more negative |
(77) |
| CH3OH: 1.48 |
| TiO2 nanosheets with exposed {001}
facet |
Two 18 W Hg lamps |
CH4: 0.204 |
High-energy exposed {001}
facets facilitate the
charge separation and lower recombination rate of the carriers |
(78) |
| CO: 0.106 |
| CH3OH: 0.18 |
| CH2O: 0.063 |
| H2: 0.105 |
| TiO2 nanoparticles |
500 W high-pressure xenon lamp |
CH3OH: 0.48 |
|
(79) |
| Photosensitized TiO2 nanotubes |
500 W xenon lamp |
CH3OH: 131.1 |
Nanotubes with
high specific surface area and
high-intensity light source |
(80) |
| CH4: 0.96 |
| H2: 17.2 |
| TiO2 (P25) |
500 W xenon lamp |
CH3OH: 32.2 |
|
|
| CH4: 0.62 |
| H2: 7.4 |
|
Anatase TiO2prepared
by optimizing the hydrothermal recrystallization process
|
300 W xenon lamp |
CH4: 48 |
|
This Work |
