photocatalysis


Also found in: Dictionary, Medical, Wikipedia.
Related to photocatalysis: photocatalyst

photocatalysis

[‚fōd·ō·kə′tal·ə·səs]
(physical chemistry)
The phenomenon by which a relatively small amount of light-absorbing material, called a photocatalyst, changes the rate of chemical reaction without itself being consumed.
References in periodicals archive ?
When TMP lie in the initial level, retention period will be extended and photocatalysis reactivity will be promoted.
A team of scientists at EPFL Sion led by Kyriakos Stylianou at the Laboratory of Molecular Simulation, have now developed a MOF-based system that can perform not one, but two types of photocatalysis simultaneously: production of hydrogen, and cleaning pollutants out of water.
Du, "Titanium dioxide nanoparticles co-doped with [Fe.sup.3+] and [Eu.sup.3+] ions for photocatalysis," Materials Letters, vol.
Bahnemann, "Environmental applications of semiconductor photocatalysis," Chemical Reviews, vol.
Ti[O.sub.2] photocatalysis has thus ascertained its contribution in removing organic pollutants from sago wastewater, despite the slight fluctuation observed during treatment (Figure 7).
Coupling of solar photoelectro-Fenton and solar heterogeneous photocatalysis. Journal of Hazardous Materials, 319 (2016) 34-42.
Since photocatalysis is one of the mechanisms which can cause degradation of a paint system, one can assume that reduced photocatalysis will, at least partially, slow down the weathering degradation.
The best condition was also used to detect the major byproduct of TC degradation using adsorption and photocatalysis using TiO2-coated aluminum drum.
They have been widely applied in plasmon-enhanced spectroscopy, photocatalysis, energy storage, and solar cells.
Currently, powdered Ti[O.sub.2] photocatalysis was generally used to remove contaminants.
The development of new vinasse treatment methods became necessary and the heterogeneous photocatalysis, an advanced oxidation process (AOP), is an interesting option (Santana & Fernandes-Machado, 2008; Brites, Santana, & Fernandes-Machado, 2011).
Photocatalysis, "a chemical reaction that involves the absorption of light by nanoparticles" was found to breakdown the naphthenic acids that contaminate wastewater, the removal of which is one of the largest environmental challenges in Canada according to Tim Leshuk, lead author of the study.