Quantum dots applications in solar cells
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Semiconductors show dramatic quantization effects when charge carriers (electrons and holes) are confined by potential barriers to small regions of space where the dimensions of the confinement are less than the de Broglie wavelength of the charge carriers, or equivalently, the nanocrystal diameter is less than twice the Bohr radius of excitons in the bulk material. The length scale at which these effects begin to occur in semiconductors is less than about 25 to 10 nm depending upon effective masses. When the charge carriers are …
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Semiconductors show dramatic quantization effects when charge carriers (electrons and holes) are confined by potential barriers to small regions of space where the dimensions of the confinement are less than the de Broglie wavelength of the charge carriers, or equivalently, the nanocrystal diameter is less than twice the Bohr radius of excitons in the bulk material. The length scale at which these effects begin to occur in semiconductors is less than about 25 to 10 nm depending upon effective masses. When the charge carriers are …
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