Results 41 to 50 of about 1,456,910 (261)

ERRATUM: Revisiting Duffy's model for Sb3+ and Bi3+ in double halide perovskites: Emergence of a descriptor for machine learning

Optical Materials: X, 2021
The Duffy's model is reformulated for Sb 3+ and Bi 3+ in cubic chloro- and bromoelpasolites with « 0D » perovskite structure. The new equation allows calculating the energy of the first s 2 → s 1 p 1 electron transition from crystal structure data.
Philippe Boutinaud
doaj   +1 more source

BSite Columnar-Ordered Halide Double Perovskites A2B(II)0.5B(II)X5 with B(II)/Vacancy Disordering

, 2021
B-site rock-salt-ordered halide double perovskites have attracted significant attention for optoelectronic applications such as light-emitting diodes and photodetectors.
Chuanzhou Han (11022503), Sanlue Hu, Ke-Zhao Du, Sanlue Hu (7305842), Guoqi Ji (4714449), Pengfei Fu, Ruixiang Mi (11357145), Ke-Zhao Du (2098294), Guoqi Ji, Ruixiang Mi, Pengfei Fu (5793167), Zewen Xiao (1261938), Chuanzhou Han, Zewen Xiao   +13 more
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Stability of the Halide Double Perovskite Cs₂AgInBr₆

The Journal of Physical Chemistry Letters, 2023
Cs2AgInBr6 is among the lead-free halide perovskites of interest, predicted by first-principles calculations to be stable with a direct band gap, but there has been only one report of its synthesis. Herein we report the formation of Cs2AgInBr6 thin films through thermal evaporation of CsBr, AgBr, and InBr3 and subsequent annealing between 130 °C and ...
Yukun Liu, Iver J. Cleveland, Minh N. Tran, Eray S. Aydil   +3 more
openaire   +2 more sources

Uncovering Halide Mixing and Octahedral Dynamics in Vacancy-Ordered Double Perovskites by Multinuclear Magnetic Resonance Spectroscopy [PDF]

, 2021
Vacancy-ordered double perovskites Cs2SnX6 (X = Cl, Br, I) have emerged as promising lead-free and ambient-stable materials for photovoltaic and optoelectronic applications.
Arturo, Gomez, Srija, Mukhopadhyay, Pierre, Gachod, Alex, Brown, Vladimir, Michaelis, Guy, Bernard, Abhoy, Karmakar   +6 more
core   +2 more sources

Layered Halide Double Perovskites: Dimensional Reduction of Cs₂AgBiBr₆

, 2018
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.
Linn Leppert (1748980), Hemamala I. Karunadasa (1415041), Jeffrey B. Neaton (1262847), Bridget A. Connor (2145895), Matthew D. Smith (29060)   +4 more
core   +3 more sources

Lead-free metal-halide double perovskites: from optoelectronic properties to applications

Nanophotonics, 2020
Lead (Pb) halide perovskites have witnessed highly promising achievements for high-efficiency solar cells, light-emitting diodes (LEDs), and photo/radiation detectors due to their exceptional optoelectronic properties.
Ghasemi Mehri, Hao Mengmeng, Xiao Mu, Chen Peng, He Dongxu, Zhang Yurou, Chen Weijian, Fan Jiandong, Yun Jung H., Jia Baohua, Wen Xiaoming   +10 more
doaj   +1 more source

Search for ferromagnetism in Mn-doped lead halide perovskites

Communications Physics, 2023
Lead halide perovskites are new key materials in various application areas such as high efficiency photovoltaics, lighting, and photodetectors. Doping with Mn, which is known to enhance the stability, has recently been reported to lead to ferromagnetism ...
Maryam Sajedi, Chen Luo, Konrad Siemensmeyer, Maxim Krivenkov, Kai Chen, James M. Taylor, Marion A. Flatken, Florin Radu, Oliver Rader   +8 more
doaj   +1 more source

Chemical and Structural Diversity of Hybrid Layered Double Perovskite Halides [PDF]

Journal of the American Chemical Society, 2019
Hybrid halide double perovskites are a class of compounds attracting growing interest because of their richness of structure and property. Two-dimensional (2D) derivatives of hybrid double perovskites are formed by the incorporation of organic spacer cations into three-dimensional (3D) double perovskites.
Lingling Mao, Samuel M. L. Teicher, Constantinos C. Stoumpos, Rhiannon M. Kennard, Ryan A. DeCrescent, Guang Wu, Jon A. Schuller, Michael L. Chabinyc, Anthony K. Cheetham, Ram Seshadri   +9 more
openaire   +4 more sources

Exploring the half-metallic ferromagnetism, dynamical and mechanical stability, optoelectronic and thermoelectric properties of K2NaMI6 (M = Mn, Co, Ni) for spintronic applications

Scientific Reports, 2023
The structural stability, optoelectronic and magnetic characteristics of K2NaMI6 (M = Mn, Co, and Ni) halide double perovskites have been demonstrated to be explained using density functional theory computations.
Danish Abdullah, Dinesh C. Gupta
doaj   +1 more source

Halide Perovskite: A Rich Source of Thermal Insulator. [PDF]

Adv Sci (Weinh)
Halide perovskites exhibit ultralow thermal conductivity driven by intrinsic lattice softness and strong anharmonicity, falling below conventional defect‐engineering limits. Weak metavalent bonding, A‐site rattling, and dynamic octahedral tilting drive phonon scattering to the Ioffe–Regel limit, where wave‐like tunneling replaces particle‐like ...
Ye H, Ge B, Yu Y, Zhou C.
europepmc   +2 more sources