pertaining to the electronic or other electric effects produced by light.
Also, photoelectrical.

1860–65; photo- + electric

photoelectrically, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
photoelectric or photoelectrical (ˌfəʊtəʊɪˈlɛktrɪk)
of or concerned with electric or electronic effects caused by light or other electromagnetic radiation
photoelectrical or photoelectrical
photoe'lectrically or photoelectrical
photoelectricity or photoelectrical

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American Heritage
Medical Dictionary

photoelectric pho·to·e·lec·tric (fō'tō-ĭ-lěk'trĭk) or pho·to·e·lec·tri·cal (-trĭ-kəl)
Of or relating to the electric effects, especially increased conductivity, caused by light.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
photoelectric   (fō'tō-ĭ-lěk'trĭk)  Pronunciation Key 
Relating to or exhibiting to electrical effects upon exposure to light. For example, some photoelectric materials emit electrons called photoelectrons upon exposure to certain frequencies of light; others, such as photoresistors and phototransistors, change their electrical properties. See also photoelectric effect.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
He gasped at a display in which a flashlight illuminated a photoelectric cell,
  creating a crackling sound.
Same for the reflectors on concentrating collectors as for the photoelectric
The photoelectric controls shall also be equipped with a built-in
  expulsion-type surge and lighting protection arrester.
All newly installed smoke alarms, including replacement smoke alarms, are now
  required to be photoelectric.
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