Halide Double‐Perovskite Light‐Emitting Centers Embedded in Lattice‐Matched and Coherent Crystalline Matrix
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202000653
Abstract: Through first‐principles calculations, it is found that two lattice‐matched halide double‐perovskites, Cs2NaBiBr6 and Cs2AgBiBr6, have a type‐I band alignment and can form highly miscible alloys in which the disordering makes the bandgaps become direct and… read more here.
Keywords: halide double; lattice matched; lattice; crystalline matrix ... See more keywords
Pressure‐Induced Metallization of Lead‐Free Halide Double Perovskite (NH4)2PtI6
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202203442
Abstract: Metallization has recently garnered significant interest due to its ability to greatly facilitate chemical reactions and dramatically change the properties of materials. Materials displaying metallization under low pressure are highly desired for understanding their potential… read more here.
Keywords: lead free; free halide; nh4 2pti6; pressure ... See more keywords
Halide Double Perovskite Nanocrystals Doped with Rare-Earth Ions for Multifunctional Applications.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced science"
DOI: 10.1002/advs.202207571
Abstract: Most lead-free halide double perovskite materials display low photoluminescence quantum yield (PLQY) due to the indirect bandgap or forbidden transition. Doping is an effective strategy to tailor the optical properties of materials. Herein, efficient blue-emitting… read more here.
Keywords: earth ions; cs2 naincl6; doped cs2; rare earth ... See more keywords
Size effect of lead-free halide double perovskite on luminescence property
Sign Up to like & getrecommendations! Published in 2019 at "Science China Chemistry"
DOI: 10.1007/s11426-019-9520-1
Abstract: Lead-free halide double perovskites have gathered wide scientific interest since they are environmentally friendly and stable. However, compared to the lead perovskites, their optoelectronic properties are compromised. Herein we report a series of bulk lead-free… read more here.
Keywords: lead free; cs2agbi0 125in0; 125in0 875cl6; halide double ... See more keywords
Study of the structural, elastic, electronic and optical properties of lead free halide double perovskites Cs 2 AgBiX 6 ( X = Br, Cl )
Sign Up to like & getrecommendations! Published in 2018 at "Chinese Journal of Physics"
DOI: 10.1016/j.cjph.2018.01.004
Abstract: Abstract The lead free halides double perovskites show a particular interest in the conception of perovskites solar cells. We predicted the lattice constant and the atomic Wycko position of these lead free halide double perovskites… read more here.
Keywords: lead free; electronic optical; double perovskites; halide double ... See more keywords
Rational Design of Halide Double Perovskites for Optoelectronic Applications
Sign Up to like & getrecommendations! Published in 2018 at "Joule"
DOI: 10.1016/j.joule.2018.06.017
Abstract: Summary Practical application of hybrid Pb-based halide perovskites needs not only to fabricate high-quality film samples on a large scale but also to properly overcome the issues of Pb toxicity and materials instability. Finding new,… read more here.
Keywords: rational design; design halide; halide double; double perovskites ... See more keywords
A Multiaxial Layered Halide Double Perovskite Ferroelectric with Multiple Ferroic Orders
Sign Up to like & getrecommendations! Published in 2020 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.0c02966
Abstract: Halide double perovskites have emerged as remarkable semicon-ductors owing to their non-toxicity and superior optoelectronic features. Despite recent exciting progress, halide double perovskites with bulk ferroelectricity are still sparse. Herein, we report the dis-covery of… read more here.
Keywords: double perovskite; layered halide; ferroelectric multiple; perovskite ferroelectric ... See more keywords
Cs2NaVCl6 : a Pb-Free Halide Double Perovskite with Strong Visible and Near-Infrared Light Absorption.
Sign Up to like & getrecommendations! Published in 2019 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.9b11980
Abstract: Developing the environmentally-friendly, stable as well as narrow and direct bandgap halide perovskite materials has attracted substantial interests due to their potential wide applications. Here, an all-inorganic Pb-free halide double perovskite, Cs2NaVCl6, was prepared by… read more here.
Keywords: visible near; double perovskite; halide double; strong visible ... See more keywords
Halide Double-Perovskite Semiconductors beyond Photovoltaics
Sign Up to like & getrecommendations! Published in 2022 at "ACS Energy Letters"
DOI: 10.1021/acsenergylett.2c00811
Abstract: Halide double perovskites, A2MIMIIIX6, offer a vast chemical space for obtaining unexplored materials with exciting properties for a wide range of applications. The photovoltaic performance of halide double perovskites has been limited due to the… read more here.
Keywords: perovskite semiconductors; photovoltaics halide; semiconductors beyond; double perovskites ... See more keywords
Layered Halide Double Perovskites: Dimensional Reduction of Cs2AgBiBr6.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.8b01543
Abstract: We investigate the consequences of dimensional confinement on halide double perovskites by synthesizing two-dimensional analogues of the recently reported three-dimensional double perovskite Cs2AgBiBr6. The layered perovskites (BA)4AgBiBr8 (1) and (BA)2CsAgBiBr7 (2) (BA = CH3(CH2)3NH3+) feature… read more here.
Keywords: dimensional reduction; cs2agbibr6; double perovskites; cs2agbibr6 layered ... See more keywords
Inorganic halide double perovskites with optoelectronic properties modulated by sublattice mixing.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.9b12440
Abstract: All-inorganic halide double perovskites have emerged as a promising class of materials that are potentially more stable and less toxic than lead-containing hybrid organic-inorganic perovskite optoelectronic materials. In this work, 311 cesium chloride double perovskites… read more here.
Keywords: transition metal; halide double; inorganic halide; double perovskites ... See more keywords