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  • Title: Quantum dot fluorescence as a function of alkyl chain length in aqueous environments.
    Author: Blum AS, Moore MH, Ratna BR.
    Journal: Langmuir; 2008 Sep 02; 24(17):9194-7. PubMed ID: 18683956.
    Abstract:
    In this work, we examine the dependence of the fluorescence quantum yield of water-soluble CdSe/ZnS quantum dots on the local environment. The hydrophobicity of the local environment was modified by using different alkyl chain lengths in a set of oligo-ethylene glycols. Our results show that the quantum yield of CdSe/ZnS quantum dots is highest for the longest alkyl chain length, suggesting that a more hydrophobic environment is beneficial for generating bright, water-soluble quantum dots.
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