Results 41 to 50 of about 52,682 (202)

Lead‐Free Halide Perovskites for Light Emission: Recent Advances and Perspectives

open access: yesAdvanced Science, 2021
Lead‐based halide perovskites have received great attention in light‐emitting applications due to their excellent properties, including high photoluminescence quantum yield (PLQY), tunable emission wavelength, and facile solution preparation. In spite of
Xin Li   +11 more
doaj   +1 more source

Structural modulation and assembling of metal halide perovskites for solar cells and light‐emitting diodes

open access: yesInfoMat, 2021
Metal halide perovskites possess appealing optoelectronic properties and have been widely applied for solar energy harvesting and light emitting. Although perovskite solar cells (PeSCs) and perovskite light‐emitting diodes (PeLEDs) have been developed ...
Xixia Liu   +3 more
doaj   +1 more source

Synthesis of organo tin halide perovskites via simple aqueous acidic solution-based method

open access: yesJournal of Science: Advanced Materials and Devices, 2018
Organometal halide perovskites have been studied extensively during the last ten years for their interesting applications in solar cells and optoelectronics. One drawback of these materials is the presence of lead inside the compound, thus limiting their
Thuat Nguyen-Tran   +4 more
doaj   +1 more source

Halide Perovskites for Neuromorphic Computing

open access: yes, 2023
The next generation of neuromorphic computing, which is related to emulating the neural structure and operation of the human brain, will extend into areas that correspond to human cognition, such as interpretation and autonomous adaptation.
Anthopoulos, Thomas D.   +6 more
core   +1 more source

Accelerated formation of iodine vacancies in CH3NH3PbI3 perovskites: The impact of oxygen and charges

open access: yesEcoMat, 2023
Defects in CH3NH3PbI3 perovskites, oxygen species in the air, and local charges play a significant role in the long‐term stability of perovskites. However, the interplay of these factors are complex and their role in the degradation of perovskites at the
Qihua Li   +3 more
doaj   +1 more source

Disentangling Second Harmonic Generation from Multiphoton Photoluminescence in Halide Perovskites using Multidimensional Harmonic Generation [PDF]

open access: yes, 2020
Metal halide perovskites are an intriguing class of semiconductor materials being explored for their linear and non-linear optical, and potentially ferroelectric properties. In particular, layered two-dimensional Ruddlesden-Popper (RP) halide perovskites
Amelia, Wheaton   +12 more
core   +2 more sources

Progress and outlook of Sn–Pb mixed perovskite solar cells

open access: yesNano Convergence, 2023
Organic–inorganic hybrid perovskites have revolutionized solar cell research owing to their excellent material properties. Most previous research has been done on Pb-based perovskites.
Hyemin Lee   +4 more
doaj   +1 more source

Investigation of the hydrothermal crystallisation of the perovskite solid solution NaCe1−xLaxTi2O6 and its defect chemistry [PDF]

open access: yes, 2013
Perovskites of nominal composition NaCe1−xLaxTi2O6 (0≤x≤1) crystallise directly under hydrothermal conditions at 240 °C. Raman spectroscopy shows distortion from the ideal cubic structure and Rietveld analysis of powder X-ray and neutron diffraction ...
Mohammad H. Harunsani   +11 more
core   +1 more source

Identifying high performance and durable methylammonium-free lead halide perovskites through high throughput synthesis and characterization [PDF]

open access: yes, 2021
One of the organic component in the perovskite photo-absorber, the methylammonium cation, has been suggested to be a roadblock to long-term operation of organic-inorganic hybrid perovskite-based solar cells. Methylammonium-free perovskites thus represent
Vagott, Jacob N.   +9 more
core   +2 more sources

Simulation data from: Free carrier induced ferroelectricity in layered perovskites

open access: yes, 2021
The first-principles simulation result of the paper "Free carrier induced ferroelectricity in layered perovskites", including: 1. Input and output for Vienna Ab initio Simulation Package. 2.
Li, Shutong, Birol, Turan
core   +1 more source

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