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solar cellclick to hear

Device used to convert solar energy directly into electric energy (photovoltaic effect).
solar cell solar radiation antireflection coating negative region positive region positive/negative junction positive contact negative contact metallic contact grid

solar radiation click to hear

All the electromagnetic waves emitted by the Sun.

antireflection coating click to hear

Coating product that is deposited on the negative region to reduce light reflection and optimize solar radiation absorption.

negative region click to hear

Layer of semiconductive material (silicon) to which phosphorous is added to release electrons.

positive region click to hear

Layer of semiconductive material (silicon) to which boron is added to produce a layer with insufficient electrons.

positive/negative junction click to hear

Contact area in which electrons are exchanged between two layers to create an electric current; radiation moves the charges between these regions to create voltage.

positive contact click to hear

Metal element that ensures that the electric current flows through the circuit to which it is attached.

negative contact click to hear

Metal element that ensures that the electric current flows through the circuit to which it is attached.

metallic contact grid click to hear

Metal grille that collects the electric current being generated.