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Title: Switching colors with electricity
Authors: Mortimer, Roger J.
Keywords: Electrochromism
Electrochromic devices
Metal oxides
Issue Date: 2013
Publisher: © Sigma Xi
Citation: MORTIMER, R.J., 2013. Switching colors with electricity. American Scientist 101 (1), pp. 38-45.
Abstract: In response to a small electrical voltage (typically around 1 volt), electrochromic materials will change, evoke or bleach their color. The electricity induces in the material a process of either reduction (gain of electrons) or oxidation (loss of electrons). A chemical has a characteristic range of energies over which it will interact with wavelengths in the electromagnetic spectrum, but these reduction or oxidation processes (collectively called redox reactions) alter the energy bands the chemical will absorb. In electrochromic materials, the change corresponds to the visible region of the electromagnetic spectrum.
Version: Published
DOI: 10.1511/2013.100.38
URI: https://dspace.lboro.ac.uk/2134/15414
Publisher Link: http://dx.doi.org/10.1511/2013.100.38
ISSN: 0003-0996
Appears in Collections:Closed Access (Chemistry)

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