Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun chemistry A substance that
absorbs light and, in doing so,catalyzes areaction .
Etymologies
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Examples
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First, the ultraviolet wavelengths in sunlight react with a photocatalyst to break down organic debris on the glass.
Boing Boing: September 15, 2002 - September 21, 2002 Archives 2002
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The company also offers lighting products made with the most advanced photocatalyst technical know-how for clean rooms of high-tech companies that need special environment for manufacturing or scientific research, Chao said.
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Now researchers from the Shenyang National Laboratory for Materials Science in China and the University of Illinois have developed a photocatalyst that uses visible light to kill bacteria.
SciDev.Net 2010
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The researchers tested the photocatalyst by placing it in water, containing a high level of the bacterium
SciDev.Net 2010
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Titanium dioxide is a photocatalyst; it uses sunlight to accelerate a naturallyoccurring chemical reaction, the speed of which changes with exposure to light.
PhysOrg.com - latest science and technology news stories 2010
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The researchers tested the photocatalyst by placing it in water, containing a high level of the bacterium
COSMOS magazine - The science of everything Jacqui 2010
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The photocatalyst becomes more efficient when nanoparticles of the metal palladium are added as these hold the positive charge for longer.
COSMOS magazine - The science of everything Jacqui 2010
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Using energy found in the UV light, photocatalyst titanium dioxide could breakdown numerous organic substances such as oil grime and hydrocarbons from car exhaust and industrial smog, volatile organic compounds found in various building materials and furniture, organic growth such as fungus and mildew.
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Now researchers from the Shenyang National Laboratory for Materials Science in China and the University of Illinois have developed a photocatalyst that uses visible light to kill bacteria.
COSMOS magazine - The science of everything Jacqui 2010
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Using energy found in the UV light, photocatalyst titanium dioxide could breakdown numerous organic substances such as oil grime and hydrocarbons from car exhaust and industrial smog, volatile organic compounds found in various building materials and furniture, organic growth such as fungus and mildew.
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