Journal ArticleDOI
Quantitative characterization of hydroxyl radicals produced by various photocatalysts
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TLDR
The results indicated that the formation rate of (·)OH on the surface of irradiated commercial Degussa P25 (P25) was much higher than that of other semiconductor.About:
This article is published in Journal of Colloid and Interface Science.The article was published on 2011-05-01. It has received 584 citations till now. The article focuses on the topics: Anatase & Photocatalysis.read more
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Graphene-based semiconductor photocatalysts
TL;DR: This critical review summarizes the recent progress in the design and fabrication of graphene-based semiconductor photocatalysts via various strategies including in situ growth, solution mixing, hydrothermal and/or solvothermal methods.
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Generation and Detection of Reactive Oxygen Species in Photocatalysis
Yoshio Nosaka,Atsuko Y. Nosaka +1 more
TL;DR: The detection methods and generation mechanisms of the intrinsic reactive oxygen species (ROS) in photocatalysis were surveyed comprehensively and the major photocatalyst used in heterogeneous photocatalytic systems was found to be TiO2.
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Enhanced photocatalytic performance of direct Z-scheme g-C3N4–TiO2 photocatalysts for the decomposition of formaldehyde in air
TL;DR: For the first time, a direct g-C3N4-TiO2 Z-scheme photocatalyst without an electron mediator was prepared by a facile calcination route utilizing affordable P25 and urea as the feedstocks and will provide new insights into the design of high-performance Z-Scheme photoc atalysts for indoor air purification.
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A Review of Direct Z-Scheme Photocatalysts
TL;DR: In this paper, the historical development of the Z-scheme photocatalytic system is summarized, from its first generation (liquid-phase Z-Scheme) to its current third generation (direct Z-schemas photocatalyst).
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TiO2 photocatalyst for water treatment applications
Seul-Yi Lee,Soo-Jin Park +1 more
TL;DR: In this paper, a review of water treatment technologies, such as biological treatment, coagulation/precipitation techniques, Fenton oxidation treatments, and advanced oxidation techniques, have been assessed to address the worsening clean water shortage.
References
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Journal ArticleDOI
Environmental Applications of Semiconductor Photocatalysis
TL;DR: The slow pace of hazardous waste remediation at military installations around the world is causing a serious delay in conversion of many of these facilities to civilian uses as discussed by the authors, which is a serious problem.
Journal ArticleDOI
TiO2 photocatalysis and related surface phenomena
TL;DR: The field of photocatalysis can be traced back more than 80 years to early observations of the chalking of titania-based paints and to studies of the darkening of metal oxides in contact with organic compounds in sunlight as discussed by the authors.
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Photoinduced reactivity of titanium dioxide
TL;DR: In this paper, photo-induced superhydrophilicity was used on the surface of a wide-band gap semiconductor like titanium dioxide (TiO 2 ) for photocatalytic activity towards environmentally hazardous compounds.
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Effects of F- Doping on the Photocatalytic Activity and Microstructures of Nanocrystalline TiO2 Powders
TL;DR: In this article, a novel and simple method for preparing highly photoactive nanocrystalline F-doped TiO2 photocatalyst with anatase and brookite phase was developed by hydrolysis of titanium tetraisopropoxide in a mixed NH4F−H2O solution.
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Detection of active oxidative species in TiO2 photocatalysis using the fluorescence technique
TL;DR: In this article, the effect of light intensity on the generation efficiency of active oxidative species was examined by measuring the fluorescence derived by the reaction with either coumarin or terephthalic acid.
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