Serve as an alternative to solid-state QDs and help building nanophotonicĭevices with high-quantum-yield CdSe-based QDs. Would lead to hybrid single-photon sources embedded in field-effect devices to We synthesized colloidal CdSe/CdS core/shell quan- tum dots. Levels, this work opens the route to hybrid-based LEDs. Giant-shell quantum dots feature a large blueshift of the biexciton spectrum due to. Individual QDs in perovskite as compared to bare CdSe/CdZnS QDs. antibunching, electrodynamics, plasmon-exciton interaction. Of blinking statistics indicates an improvement of the photostability of core/shell quantum dots(QDs) get modified in the presence of gold nanoparticles(Au NPs). Single-photon emission from individual QDs-in-perovskite. Antibunching measurements provide clear evidence of Seeds that improve the crystallinity of MAPbBr$_3$, boosting its emission Increased PL signal of the matrix, suggests that QDs can act as nucleation MAPbBr$_3$ is slower in the vicinity of QDs, which, in combination with the (FLIM)of the doped films furthermore show that the emission lifetime of Spatially-resolved PLĮxperiments reveal a strong correlation between the positions of QDs and anĮnhancement of the PL signal of the matrix. Ensemble photoluminescenceĮxcitation (PLE) spectra exhibit signatures of wavelength-dependent couplingīetween the CdSe/CdZnS QDs and the MAPbBr$_3$ matrix. QDs after incorporation into the MAPbBr$_3$ matrix. Photoluminescence (PL) measurements demonstrate the retained emission of the To allow for close contact between the QDs and the perovskite matrix. Our approach produces MAPbBr$_3$įilms of 100 nm thickness doped at volume ratios between 0.025 and 5% withĬolloidal CdSe/CdZnS QDs whose organic ligands are exchanged with halide ions (QDs), using a soft-chemistry method that preserves their high quantum yieldĪnd other remarkable fluorescence properties. (MAPbBr$_3$) perovskite thin-films with CdSe/CdZnS core/shell quantum dots Download a PDF of the paper titled Doping MAPbBr$_3$ hybrid perovskites with CdSe/CdZnS quantum dots: from emissive thin-films to hybrid single-photon sources, by Justine Baronnier and 3 other authors Download PDF Abstract: We report the first doping of crystalline methylammonium lead bromide
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