An apparatus includes a photovoltaic device (PVD) having a quantum dot (QD) array structure that is capable of performing wavelength conversion. The PVD is configured to generate charge carriers from incident photons. An electric field generator is operable to apply an electric field to the PVD. Strength of the electric field is sufficient to cause the charge carriers to transition through a plurality of discrete energy states formed within a corresponding one of a conductive band and a valence band of the QD array structure. The transition of the charge carriers through the plurality of discrete energy states enables the PVD to generate emitted photons being radiated as an electromagnetic wave. A frequency (and hence wavelength) of the emitted photons being radiated as the electromagnetic wave is tunable by configuring physical attributes of the QD array structure and controlling the electric field strength.
Apparatus for converting incident photons into direct current
Vorrichtung zur Umwandlung von einfallenden Photonen zu Gleichstrom
Dispositif pour la conversion de photons incidents en courant continu
11.09.2019
Patent
Elektronische Ressource
Englisch
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