Antisolvent‐Assisted In Situ Cation Exchange of Perovskite Quantum Dots for Efficient Solar Cells
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Materials"
DOI: 10.1002/adma.202212160
Abstract: Cesium‐formamidinium lead iodide perovskite quantum dots (FAxCs1−xPbI3 PQDs) show high potential for next‐generation photovoltaics due to their outstanding optoelectronic properties. However, achieving composition‐tunable hybrid PQDs with desirable charge transport remains a significant challenge. Herein, by… read more here.
Keywords: quantum dots; assisted situ; situ cation; pqds ... See more keywords
Perovskite Quantum Dots and Their Application in Light-Emitting Diodes.
Sign Up to like & getrecommendations! Published in 2018 at "Small"
DOI: 10.1002/smll.201702433
Abstract: Perovskite quantum dots (PQDs) attract significant interest in recent years because of their unique optical properties, such as tunable wavelength, narrow emission, and high photoluminescence quantum efficiency (PLQY). Recent studies report new types of formamidinium… read more here.
Keywords: perovskite quantum; dots application; emitting diodes; light emitting ... See more keywords
Strongly-ligated perovskite quantum dots with precisely controlled dimensions and architectures for white light-emitting diodes
Sign Up to like & getrecommendations! Published in 2020 at "Nano Energy"
DOI: 10.1016/j.nanoen.2020.105043
Abstract: Abstract Despite impressive advances in the synthesis of perovskite quantum dots (PQDs), the ability to craft PQDs of the same dimension yet different architectures (e.g., solid vs. hollow) remains a grand challenge. Moreover, precise control… read more here.
Keywords: perovskite quantum; ligated perovskite; dots precisely; pqds ... See more keywords
Superhydrophobic Silica Aerogels Encapsulated Fluorescent Perovskite Quantum Dots for Reversible Sensing of SO2 in a 3D-Printed Gas Cell.
Sign Up to like & getrecommendations! Published in 2019 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.8b05253
Abstract: Recently emerging perovskite quantum dots (PQDs) with several excellent optical properties, such as quantum efficiency, narrow band emission, and tunable emission wavelength, have promising applications in solar cells and light emitting diodes. However, relatively rare… read more here.
Keywords: perovskite quantum; gas; pqds; quantum dots ... See more keywords
Impact of Host Composition, Co-doping or Tri-doping on Quantum Cutting Emission of Ytterbium in Halide Perovskite Quantum Dots and Solar Cells Applications.
Sign Up to like & getrecommendations! Published in 2019 at "Nano letters"
DOI: 10.1021/acs.nanolett.9b02139
Abstract: Recently, various lanthanide ions (Ln3+) have been successfully doped into perovskite quantum dots (PQDs) and quantum-cutting emission of 2F5/2-2F7/2 for Yb3+ with measurable inner efficiency more than 100 % has been discovered, applied as the… read more here.
Keywords: quantum; solar cells; cutting emission; quantum cutting ... See more keywords
Nitrogen-Doped Carbon Quantum Dots from Polyethyleneimine for Optical Dual Mode Determination of Cu2+ and L-Cysteine and Its Logic Gate Operation.
Sign Up to like & getrecommendations! Published in 2020 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.0c12750
Abstract: In this work, nitrogen doped carbon quantum dots from polyethyleneimine (PQDs) was synthesized by a low-cost and facile one-step hydrothermal method without other reagent. A quantum yield (QY) up to 23.2% with maximum emission at… read more here.
Keywords: quantum; fluorescence; cu2; cys ... See more keywords
Enhanced Stabilities and Production Yields of MAPbBr3 Quantum Dots and Their Applications as Stretchable and Self-Healable Color Filters.
Sign Up to like & getrecommendations! Published in 2021 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.0c19287
Abstract: Organic-inorganic hybrid CH3NH3PbBr3 (MAPbBr3) perovskite quantum dots (PQDs) are considered as promising and cost-effective building blocks for various optoelectronic devices. However, during centrifugation for the purification of these PQDs, commonly used polar protic and aprotic… read more here.
Keywords: self healable; production yields; stretchable self; pqds ... See more keywords
Aqueous, Non-Polymer-Based Perovskite Quantum Dots for Bioimaging: Conserving Fluorescence and Long-Term Stability via Simple and Robust Synthesis.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c08087
Abstract: Perovskite quantum dots (PQDs) offer high photoluminescence quantum yields; however, due to their limited stability in aqueous media, to date their utilization in biomedical applications has been limited. The present work demonstrates highly fluorescent and… read more here.
Keywords: quantum dots; aqueous pqds; pqds; stability ... See more keywords
Room-Temperature Synthesis of Two-Dimensional Hexagonal Boron Nitride Nanosheet-Stabilized CsPbBr3 Perovskite Quantum Dots.
Sign Up to like & getrecommendations! Published in 2019 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.8b20400
Abstract: Poor stability always restricts the application of all-inorganic perovskite quantum dots (PQDs). Herein, 2D hexagonal boron nitride ( h-BN) nanosheets were firstly utilized to stabilize CsPbBr3 PQDs through a facile heterogeneous nucleation-growth process at room… read more here.
Keywords: perovskite quantum; temperature; hexagonal boron; cspbbr3 ... See more keywords
Engineering Sr-doping for enabling long-term stable FAPb1−xSrxI3 quantum dots with 100% photoluminescence quantum yield
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Materials Chemistry C"
DOI: 10.1039/d0tc04625f
Abstract: The Pb substitution in quantum dots (PQDs) with lesser toxic metals has been widely searched to be environmentally friendly, and be of comparable or improved performance compared to the lead-perovskite. However, the chemical nature of… read more here.
Keywords: fapb1; pqds; quantum dots; fapb1 xsrxi3 ... See more keywords
Highly efficient and stable red perovskite quantum dots through encapsulation and sensitization of porous CaF2:Ce,Tb nanoarchitectures.
Sign Up to like & getrecommendations! Published in 2022 at "Nanoscale"
DOI: 10.1039/d2nr00544a
Abstract: Lead halide perovskite quantum dots (PQDs) are extremely unstable when exposed to oxygen, water and heat, especially red CsPbBrxI3-x (x = 0, 0.5, 1.2) PQDs. This seriously hinders their practical application. Here, red CsPbBrxI3-x (x… read more here.
Keywords: quantum dots; caf2; porous caf2; caf2 nanoarchitectures ... See more keywords