Titania-based photocatalysts—crystal growth, doping and heterostructuring
N-Doped TIO2
Shuttle Redox Mediator
Inorganic green chemistry
1600 Chemistry
01 natural sciences
7. Clean energy
Visible-light Irradiation
620
0104 chemical sciences
Engineering
Dominant 001 Facets
Chemical sciences
Mesoporous Tio2
Z-scheme
Sensitized Solar-cells
Electrochemistry
Electronic Band-structure
Hydrogen-production
Water-splitting System
2505 Materials Chemistry
DOI:
10.1039/b909930a
Publication Date:
2009-09-18T14:54:12Z
AUTHORS (5)
ABSTRACT
Semiconductor photocatalysts have important applications in renewable energy and environment fields. To overcome the serious drawbacks of low efficiency and narrow light-response range in most stable semiconductor photocatalysts, many strategies have been developed in the past decades. This review attempts to provide a comprehensive update and examination of some fundamental issues in titania (TiO2)-based semiconductor photocatalysts, such as crystal growth, doping and heterostructuring. We focus especially on recent progress in exploring new strategies to design TiO2-based photocatalysts with unique structures and properties, elucidating the chemical states and distribution of dopants in doped TiO2, designing and fabricating integrated heterostructure photocatalysts with different charge-carrier transfer pathways, and finally identifying the key factors in determining the photocatalytic efficiency of titania-based photocatalysts.
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