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In a conventional solar cell light is absorbed by a semiconductor, producing an electron-hole (e-h) pair; the pair may be bound and is referred to as an exciton.This pair is separated by an internal electrochemical potential (present in p-n junctions or Schottky diodes) and the resulting flow of electrons and holes creates an electric current.
In quantum dot solar cells, the excited electron in the conduction band interacts with the hole it leaves behind in the valence band, and this composite uncharged object is known as an exciton. The carrier multiplication effect in a dot can be understood as creating multiple excitons, and is called multiple exciton generation (MEG).
Experimental non-silicon solar panels can be made of quantum heterostructures, e.g. carbon nanotubes or quantum dots, embedded in conductive polymers or mesoporous metal oxides. In addition, thin films of many of these materials on conventional silicon solar cells can increase the optical coupling efficiency into the silicon cell, thus boosting ...
The material achieved an external quantum efficiency (EQE) of 190 per cent – an important method for measuring the efficiency of a solar cell. The EQE rate represents the generation of one ...
List of notable companies manufacturing copper indium gallium selenide solar cells (CIGS): Ascent Solar Technologies; Avancis (former subsidiary of Saint Gobain) Miasolé [1] Midsummer AB [2] (Swedish manufacturer of CIGS solar modules and sputtering equipment for thin-film solar cells) Sunflare [3] Sunplugged [4] Solar Cloth [5]
Quantum dot cellular automaton; ... Quantum dot laser; Quantum dot solar cell; S. Silicon quantum dot This page was last edited on 8 September 2017, at 02:59 ...
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