A substance that absorbs light and, in doing so, catalyzes a reaction
See Also: photocatalysis

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  • photocatalyst — A substance that helps bring about a light catalyzed reaction; e.g., chlorophyll. [photo + G. katalysis, dissolution (catalysis)] * * * pho·to·cat·a·lyst kat əl əst n a substance that catalyzes the main reaction in photocatalysis * * *… …   Medical dictionary

  • photocatalyst — pho·to·catalyst …   English syllables

  • photocatalyst — “+ noun Etymology: phot + catalyst : a substance that catalyzes the main reaction in photocatalysis …   Useful english dictionary

  • Titanium dioxide — Chembox new Name = Titanium dioxide ImageFile = Titanium(IV) oxide.jpg ImageSize = 200px ImageName = Titanium(IV) oxide ImageFile1 = Rutile unit cell 3D balls.png ImageSize1 = 200px ImageName1 = The unit cell of rutile IUPACName = Titanium… …   Wikipedia

  • Molybdenum disulfide — Molybdenum disulfide …   Wikipedia

  • Craquage catalytique — Le craquage catalytique est un craquage dans lequel les grosses molécules d alcanes se brisent lorsqu elles sont portées à 500 °C environ. Il fut breveté par Eugène Houdry en 1928. En résulte un alcane et un alcène de masse molaire plus… …   Wikipédia en Français

  • Craquage de l'eau — Le craquage de l eau est un procédé permettant l obtention d hydrogène et d oxygène, par électrolyse ou en dissociant par la chaleur les atomes composant la molécule d eau H2O. C est une réaction thermochimique se commençant à haute température… …   Wikipédia en Français

  • Fujishima, Akira, and Honda, Kenichi — ▪ 2005       Japanese scientists Akira Fujishima and Kenichi Honda were named winners of the 2004 Japan Prize, an international award given annually to individuals who have made outstanding contributions to science and technology. The award cited …   Universalium

  • Hydrolysis — is a chemical reaction during which one or more water molecules are split into hydrogen and hydroxide ions which may go on to participate in further reactions. [Compendium of Chemical Terminology, [… …   Wikipedia

  • Titanium — This article is about the chemical element. For other uses, see Titanium (disambiguation). scandium ← titanium → vanadium …   Wikipedia

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