Defect suppression and photoresponsivity enhancement in methylammonium lead halide perovskites by CdSe/ZnS quantum dots

Interlayer and intermolecular excitons in various donor–acceptor heterostructures: applications to excitonic devices

“…60,61 QDs can enhance the performance of OIHPs through CT and ET effects and surface passivation. 62,63 HSs of OIHPs and QDs have been fabricated primarily using two processes. In the first process, a QD-on-OIHP system can be fabricated by spin-coating the OIHP and subsequently depositing the QDs.…”

Far‐Red Interlayer Excitons of Perovskite/Quantum‐Dot Heterostructures

“…Recently, the characteristics of perovskites have been enhanced through hybridization with functionalized quantum dots (QDs) owing to energy transfer (ET) and surface passivation effects. [24,31,32] Sanchez et al reported near-infrared (NIR) emission at 1240-1400 nm in HSs with MAPbI 3−x Cl x perovskites and PbS-CdS-QDs by adjusting the energy band structure. [33] The light emission and absorption characteristics in the farred optical range (800-900 nm) for the perovskite-and QDbased HSs can provide an efficient collection of solar energy and can be applied to broad-range and sensitive photodetectors, [32] solar cells, [34] and NIR LED for biomedical imaging and optical communication.…”

“…[24,31,32] Sanchez et al reported near-infrared (NIR) emission at 1240-1400 nm in HSs with MAPbI 3−x Cl x perovskites and PbS-CdS-QDs by adjusting the energy band structure. [33] The light emission and absorption characteristics in the farred optical range (800-900 nm) for the perovskite-and QDbased HSs can provide an efficient collection of solar energy and can be applied to broad-range and sensitive photodetectors, [32] solar cells, [34] and NIR LED for biomedical imaging and optical communication. [35] Methylammonium lead iodide (MAPbI 3 ) perovskite exhibits the unique property of temperature-dependent structural phase transitions.…”

Stable deep-blue FAPbBr3 quantum dots facilitated by amorphous metal halide matrices

“…). 22–24 Using ionic metal halide matrix can decrease such mismatch and lattice strain to enhance the stability of CsPbI 3 QDs. 25–27 Therefore, the fabricated metal halide matrix has the potential to construct stable deep blue QDs.…”

“…21 Whereas, such a compact core-shell structure can hardly be achieved for LHP due to the incompatibility of the ionic LHP core and covalent shell (ZnS, PbS, etc.). [22][23][24] Using ionic metal halide matrix can decrease such mismatch and lattice strain to enhance the stability of CsPbI 3 QDs. [25][26][27] Therefore, the fabricated metal halide matrix has the potential to construct stable deep blue QDs.…”