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In this review article we summarize the progress in research on multishell semiconductor nanocrystals. Three branches are covered: Core–shell–shell (CSS) nanocrystals with a lattice adapting layer which show extraordinarily high emission quantum yields and high photostability, quantum dot quantum well nanocrystals which allow to study interactions across extremely thin semiconductor layers, and “inversed” quantum dot quantum well structures which show two distinct emissions from one sample.
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Dorfs et al. (2006) studied this question.
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