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On the Origin of Efficient Photoluminescence in Silicon Nanocrystals

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Abstract

Discrepancies exists regarding the nature of photoluminescence from quantum-confined silicon nanocrystals. Here, using hydrostatic pressure, x-ray diffraction, and optical spectroscopy, we provide fundamental insights regarding whether emission arises from nanocrystal surface or core states.

© 2013 Optical Society of America

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