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CdTe/CdSe core−shell quantum dots were synthesized using Et2Zn as a reducing agent of selenium. During the shell formation process, the sphere-like CdTe core transforms to a rectangular-like shape. The zinc blende structured core-shell quantum dots show better photostability than the cores, which should enable them to be used in biomedical imaging.
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Seo et al. (2007) studied this question.
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