an electron that is emitted from a material as a result of absorbing light energy

photovoltaic cell; photoelectric battery; a semiconductor device that generates an electromotive force when exposed to light

A type of diode or electron tube that converts light energy into electrical signals; used in equipment for light measurement, counting, and automatic control systems.

photodiode; a semiconductor device that converts light into an electrical current (sometimes also referred to as a photorectifier)

The phenomenon where a semiconductor material's electrical conductivity increases when it is exposed to light; also written as [[光导|光導|guang1 dao3]]

An elevator with one or more transparent walls that allows passengers to view the surrounding scenery; commonly installed in high-rise hotels, malls, or office buildings.

An electronic device or unit that converts light into electrical signals

The phenomenon where a material emits electrons after absorbing energy from light or other electromagnetic radiation

emission of electrons from a material when it is exposed to electromagnetic radiation

the process of electrical changes in a material resulting from the absorption of light or other electromagnetic radiation