Results 41 to 50 of about 489,648 (377)

Effect of ionic radii on the Curie temperature in Ba1-x-ySrxCayTiO3 compounds [PDF]

open access: yes, 2016
A series of Ba1-x-ySrxCayTiO3 compounds were prepared with varying average ionic radii and cation disorder on A-site. All samples showed typical ferroelectric behavior.
Alford, N, Berenov, AV, Le Goupil, F
core   +2 more sources

Monolithic perovskite/silicon tandem solar cell with >29% efficiency by enhanced hole extraction

open access: yesScience, 2020
Efficiency from hole-selective contacts Perovskite/silicon tandem solar cells must stabilize a perovskite material with a wide bandgap and also maintain efficient charge carrier transport. Al-Ashouri et al.
A. Al‐Ashouri   +29 more
semanticscholar   +1 more source

Employing surfactant-assisted hydrothermal synthesis to control CuGaO2 nanoparticle formation and improved carrier selectivity of perovskite solar cells

open access: yes, 2018
Delafossites like CuGaO2 have appeared as promising p-type semiconductor materials for opto-electronic applications mainly due to their high optical transparency and electrical conductivity. However, existing synthetic efforts usually result in particles
Armatas, Gerasimos S.   +5 more
core   +1 more source

Quantitative chemical analysis of perovskite deposition using spin coating [PDF]

open access: yes, 2019
Lead and halide ion compositions of spin coated organo-lead halide perovskite films have been quantified using ion chromatography (IC) and atomic absorption spectroscopy (AAS) using perovskite films manufactured by 5 different researchers (3 replicates
Anthony, RVE   +6 more
core   +3 more sources

Conformal quantum dot–SnO2 layers as electron transporters for efficient perovskite solar cells

open access: yesScience, 2022
Improvements to perovskite solar cells (PSCs) have focused on increasing their power conversion efficiency (PCE) and operational stability and maintaining high performance upon scale-up to module sizes.
Minjin Kim   +20 more
semanticscholar   +1 more source

A fast and robust numerical scheme for solving models of charge carrier transport and ion vacancy motion in perovskite solar cells [PDF]

open access: yes, 2018
Drift-diffusion models that account for the motion of both electronic and ionic charges are important tools for explaining the hysteretic behaviour and guiding the development of metal halide perovskite solar cells. Furnishing numerical solutions to such
Courtier, N. E.   +2 more
core   +2 more sources

Altermagnetic perovskites

open access: yesnpj Spintronics
Altermagnet is a class of antiferromagnets, which shows a staggered spin ordering with wave vector ${\bm q}=0$, while its net magnetization is canceled out in the limit of zero relativistic spin-orbit coupling. The simplest case is when the up and down spins are ordered on two crystallographically equivalent sublattice sites within the unit cell that ...
Makoto Naka   +2 more
openaire   +3 more sources

Photoexcitation of perovskite precursor solution to induce high-valent iodoplumbate species for wide bandgap perovskite solar cells with enhanced photocurrent

open access: yesScientific Reports, 2023
Solution-processed organic–inorganic hybrid perovskite solar cells are among the candidates to replace the traditional silicon solar cells due to their excellent power conversion efficiency (PCE).
Atittaya Naikaew   +11 more
doaj   +1 more source

Highly efficient p-i-n perovskite solar cells that endure temperature variations

open access: yesScience, 2023
Daily temperature variations induce phase transitions and lattice strains in halide perovskites, challenging their stability in solar cells. We stabilized the perovskite black phase and improved solar cell performance using the ordered dipolar structure ...
Guixiang Li   +25 more
semanticscholar   +1 more source

Lead-free BaTiO3-based relaxor ferroelectric thin film rendering rapid discharge rate for pulsed power energy application

open access: yesAPL Energy
Ferroelectric thin film capacitors have large application potential in pulsed-power electronic and electrical systems due to their high-power density and rapid discharge capabilities.
Shanmuga Priya Karmegam, P. Murugavel
doaj   +1 more source

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