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Title: Photoelectrochemical Hydrogen Cell
Description: Multiple views of NIST's photoelectrochemical hydrogen cell. Side schematic [A] shows princial components of the cell. Electrodes on the top are titanium toped with platinum. An incoming photon generates a electron (e) and hole (h). Microscope image [B] shows top of the cell surface with cylinderical electrodes and scanning laser beam. Photo-current scan [C] shows relatively high current around the base of the electrodes, while the electrochemical scan [D] shows a complex pattern of hydrogen generation on and around the electrode.

-MML

See also http://www.nist.gov/mml/msed/pec-051413.cfm.
Subjects (names):
Topics/Categories:
Type: Graphic/illustration
Source: National Institute of Standards and Technology
Credit Line as it should
appear in print:
Credit: Esposito, Levin/NIST
AV Number: 13MML005
Date Created: 2013
Date Entered: 5/14/2013

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