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we demonstrate sensitive thermal imaging with HgTe colloidal quantum dot (CQD) photovoltaic detectors by integrating the HgTe CQDs with plasmonic structures. A detectivity of 4 × 1011 Jones is achieved at 80 K. Read more
Using a modified PV device architecture, we report up to 2 orders of magnitude improvement in the sensitivity of the HgTe CQD photodetectors Read more
The biexciton lifetimes in HgTe colloidal quantum dots are measured as a function of particle size. Read more
Nonaggregating HgTe colloidal quantum dots are synthesized without thiols as stabilizing ligands. The dots are spherical with a size tunability from 4.8 to 11.5 nm. Read more
The absolute positions of the energy levels of colloidal quantum dots of Hg(S, Se, Te), which are of interest as mid-infrared materials, are determined by electrochemistry. Read more
Department of Chemistry
Department of Physics
James Frank Institute
MRSEC at UChicago
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