Abstract
Semiconductor crystallites (“quantum dots”) small with respect to the bulk exciton Bohr diameter show a three dimensional electronic quantum size effect. Their internal excited electronic states are discrete and shifted to higher energy than the bulk band gap[l,2].
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Brus, L.E. Luminescence of Direct and Indirect Gap Quantum Semiconductor Crystallites. MRS Online Proceedings Library 272, 215–216 (1992). https://doi.org/10.1557/PROC-272-215
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DOI: https://doi.org/10.1557/PROC-272-215