Archivo: Anatase (titania, TiO2) photocatalyst producing hydrogen
Description: In the reaction here, photons from the light source (which is just out of frame to the right of the picture) hit the surface of the titania disc, exciting electrons within the atomic structure These then react with the water molecules, splitting it into its constituents of hydrogen and oxygen. In this experiment, chemicals dissolved in the water prevent the formation of oxygen, which would otherwise recombine with the hydrogen.
Title: Anatase (titania, TiO2) photocatalyst producing hydrogen
Credit: http://www.ucl.ac.uk/maps-faculty/potw/potw/potw1315
Author: University College London Faculty of Mathematical & Physical Sciences
Usage Terms: Creative Commons Attribution 3.0
License: CC BY 3.0
License Link: http://creativecommons.org/licenses/by/3.0
Attribution Required?: Yes
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