Results 31 to 40 of about 198,284 (277)

Recent Advances in Oxygen Electrocatalysts Based on Perovskite Oxides

open access: yesNanomaterials, 2019
Electrochemical oxygen reduction and oxygen evolution are two key processes that limit the efficiency of important energy conversion devices such as metal−air battery and electrolysis.
Jun Xu   +5 more
doaj   +1 more source

Perovskite Nanowire Extrusion [PDF]

open access: yesNano Letters, 2017
The defect tolerance of halide perovskite materials has led to efficient optoelectronic devices based on thin-film geometries with unprecedented speed. Moreover, it has motivated research on perovskite nanowires because surface recombination continues to be a major obstacle in realizing efficient nanowire devices.
Sebastian Z. Oener   +7 more
openaire   +4 more sources

Electrospun Perovskite Nanofibers [PDF]

open access: yesNanoscale Research Letters, 2017
CH3NH3PbI3 perovskite nanofibers were synthesized by versatile electrospinning techniques. The synthetic CH3NH3PbI3 nanofibers were characterized by X-ray diffraction, scanning electron microscopy, thermogravimetric analysis, and photoluminescence. As counter electrodes, the synthesized nanofibers increased the performance of the dye-sensitized solar ...
Chen, Dongsheng, Zhu, Yanyan
openaire   +2 more sources

Two-Dimensional (PEA)2PbBr4 Perovskites Sensors for Highly Sensitive Ethanol Vapor Detection

open access: yesSensors, 2022
Two-dimensional (2D) perovskite have been widely researched for solar cells, light-emitting diodes, photodetectors because of their excellent environmental stability and optoelectronic properties in comparison to three-dimensional (3D) perovskite.
Ching-Ho Tien   +5 more
doaj   +1 more source

Quasi-2D lead halide perovskite gain materials toward electrical pumping laser

open access: yesNanophotonics, 2021
Quasi two-dimensional (2D) lead halide perovskite materials have shown outstanding performance in various photoelectric devices, including perovskite light-emitting diodes (LEDs) and perovskite optical pumping lasers.
Zhao Chenyang, Qin Chuanjiang
doaj   +1 more source

Controlled Synthesis of Organic/Inorganic van der Waals Solid for Tunable Light-matter Interactions

open access: yes, 2015
Van der Waals (vdW) solids, as a new type of artificial materials that consist of alternating layers bonded by weak interactions, have shed light on fascinating optoelectronic device concepts.
Chang, Tay Rong   +24 more
core   +1 more source

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

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

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

Enhancing 2D/3D heterointerface via argon plasma polishing for efficient perovskite solar cells

open access: yesNext Materials
Low-dimensional perovskite top-surface passivation is crucial for improving the performance of n-i-p perovskite solar cells. However, the soft lattices present at the perovskite interface inhibits the effectiveness of 2D passivation.
Hongshi Li   +5 more
doaj   +1 more source

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