photo-, phot-, -photic

(Greek: light; ultraviolet and infrared radiation; radiant energy)

thermophotovoltaic cell (TPV)
A device concentrating sunlight onto a absorber that heats it to a high temperature.

The thermal radiation emitted by the absorber is used as the energy source for a photovoltaic cell that is designed to maximize conversion efficiency at the wavelength of the thermal radiation.

topophototaxis
The directed movement or orientation of a motile organism towards the source of a light stimulus.

Etymologically related "light, shine, glow" word families: ethero-; fulg-; luco-; lumen-, lum-; luna, luni-; lustr-; phengo-; pheno-; phospho-; scinti-, scintill-; splendo-.