photoelectrically


pho·to·e·lec·tric

P0261900 (fō′tō-ĭ-lĕk′trĭk) also pho·to·e·lec·tri·cal (-trĭ-kəl)adj. Of or relating to the electric effects caused by light.
pho′to·e·lec′tri·cal·ly adv.
Thesaurus
Adv.1.photoelectrically - by photoelectric means; "they measured it photoelectrically"