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I Fluorescence from core shell quantum dots

  1. Nov 13, 2017 #1
    What is the reason for enhancement in the intensity of emission due to the introduction of a shell in quantum dots? I do understand the blue shift in quantum dots but how does a shell enhance it?

  2. jcsd
  3. Nov 14, 2017 #2


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    tl;dr: Quantum dots can interact with their surroundings to provide non-radiative pathways for exciton decay. Shells reduce these interactions, increasing the quantum yield of the dots.
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