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Single junction pv cells only photons whose energy is

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Unformatted text preview: as a PV cell. Single-junction PV cells, only photons whose energy is equal to or greater than the band gap (minimum energy required for the excited state) of the cell material can free an electron for an electric circuit. While multijunction is a stack of individual single-junction cells in descending order of band gap and they are able to convert more of the energy spectrum of light to electricity. 17 (Charalambous 2007) 23...
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