photocatalyst


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photocatalyst

 [fo″to-kat´ah-list]
a substance, e.g., chlorophyll, that brings about a chemical reaction on exposure to light.

pho·to·cat·a·lyst

(fō'tō-kat'ă-list),
A substance that helps bring about a light-catalyzed reaction; for example, chlorophyll.
[photo- + G. katalysis, dissolution (catalysis)]

photocatalyst

/pho·to·cat·a·lyst/ (-kat´ah-list) a substance, e.g., chlorophyll, that brings about a chemical reaction to light.

pho·to·cat·a·lyst

(fō'tō-kat'ă-list)
A substance that helps bring about a light-catalyzed reaction, e.g., chlorophyll.
[photo- + G. katalysis, dissolution (catalysis)]

photocatalyst

a substance, e.g. chlorophyll, that brings about a chemical reaction on exposure to light.
References in periodicals archive ?
Synthesis technology of the photocatalyst by utilizing the inherent electrostatic interaction between two particles
One of the smallest crystallite sizes and one of the highest surface areas reported in the literature were obtained, which can be used in many applications, such as photocatalysts.
2] photocatalysts were prepared by calcination of synthesis Ti[O.
Photocatalyst accelerates specific chemical reactions, using light energy.
For her research, Weerasinghe is testing and analysing photocatalysts and dark catalysts, materials made by chemically bonding a metal to oxygen.
Nanosized titanium dioxide as one of the most promising photocatalysts has been widely used in gas and humidity sensors, (1) self-cleaning and antibacterial coatings, (2-5) and solar cells.
The violet ray from the newly developed LED activates the titanium oxide photocatalyst which in turn ''burns'' or oxidizes harmful agents in the air inside a car -- be they a virus, bacteria or tobacco odors.
However, when UV irradiation was combined with the photocatalyst, a clear decolorization of the dye took place.
Our results showed a dramatic improvement in the efficiency of the photocatalyst," said Xuming Zhang of the Hong Kong Polytechnic University.
Kociolek-Balawejder, E, Szymczyk, M, "Titanium Dioxide as Pigment and Photocatalyst.
Key applications for UVA are UV curing, counterfeit detection and photocatalyst air purifier.
In addition to purifying contaminated water, the photocatalyst can be used in the production of green fuel.