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Benjamin D. Mangum, Feng Wang, Allison M. Dennis, Yongqian Gao, Xuedan Ma, Jennifer A. Hollingsworth and Han Htoon Competition between Auger Recombination and Hot-Carrier Trapping in PL Intensity Fluctuations of Type II Nanocrystals Small 10

Version of Record online: 9 APR 2014 | DOI: 10.1002/smll.201302896

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Single-dot spectroscopy studies of near-infrared emitting type II, InP/CdS core–shell nanocrystals reveal that Auger recombination and hot-carrier trapping compete in defining the PL intensity-fluctuation behavior at thin shells, whereas the role of hot-carrier trapping dominates for thick shells. Additionally, a strong potential is demonstrated for the use of the g-NQDs in room-temperature single-photon generation.

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