Results 101 to 110 of about 333,285 (230)

Progress and Application of Halide Perovskite Materials for Solar Cells and Light Emitting Devices

open access: yesNanomaterials
Halide perovskite materials have attracted worldwide attention in the photovoltaic area due to the rapid improvement in efficiency, from less than 4% in 2009 to 26.1% in 2023 with only a nanometer lever photo-active layer. Meanwhile, this nova star found
Maoding Cheng   +6 more
doaj   +1 more source

SiO2-coated lead halide perovskites core–shell and their applications: a mini-review

open access: yesRoyal Society Open Science
Research on lead halide perovskites has demonstrated that they are one of the potential materials for optoelectronic and bio-related applications owing to their promising optical and electronic properties.
Cuc Kim Trinh, Zubair Ahmad
doaj   +1 more source

Light-Emitting Halide Perovskite Nanoantennas

open access: yesNano Letters, 2018
Nanoantennas made of high-index dielectrics with low losses in visible and infrared frequency ranges have emerged as a novel platform for advanced nanophotonic devices. On the other hand, halide perovskites are known to possess high refractive index, and they support excitons at room temperature with high binding energies and quantum yield of ...
E. Y. Tiguntseva   +6 more
openaire   +3 more sources

Photophysics of lead-free tin halide perovskite films and solar cells

open access: yesAPL Materials, 2019
The last five years have seen very active research in the field of environmentally friendly lead-free perovskite solar cells. Tin halide perovskites are certainly one of the most promising alternatives to lead-based perovskites, while the performance of ...
Taketo Handa   +2 more
doaj   +1 more source

Halide perovskite memristors for optoelectronic memory and computing applications

open access: yesInformation & Functional Materials
Halide perovskites are considered as promising memristive materials for next‐generation optoelectronic devices. This review concisely summarizes the recent development of halide perovskite memristors and highlights their advancements in optoelectronic ...
Xiaohan Zhang   +6 more
doaj   +1 more source

Tuning the Optical Properties of Cesium Lead Halide Perovskite Nanocrystals by Anion Exchange Reactions

open access: yesJournal of the American Chemical Society, 2015
We demonstrate that, via controlled anion exchange reactions using a range of different halide precursors, we can finely tune the chemical composition and the optical properties of presynthesized colloidal cesium lead halide perovskite nanocrystals (NCs),
Q. Akkerman   +6 more
semanticscholar   +1 more source

Octahedral units in halide perovskites

open access: yesNature Reviews Chemistry
Metal halide perovskites, with an ABX3 crystal structure, possess excellent photophysical properties for (opto)electronic applications including photovoltaics, light-emitting diodes, photodetectors and transistors. To pave the pathway towards commercial applications, enormous efforts have been made to obtain high-performance perovskite-based devices ...
Wang, Yong   +5 more
openaire   +3 more sources

Impact of photoinduced phase segregation in mixed-halide perovskite absorbers on their material and device stability

open access: yesAPL Energy
Mixed-halide perovskites enable bandgap engineering for tandem solar cell and light-emitting diode applications. However, photoinduced halide phase segregation introduces a compositional instability, that is, formation of I-rich and Br-rich phases, which
Shivam Singh, Ellen Moons
doaj   +1 more source

Atomistic Mechanism of the Nucleation of Methylammonium Lead Iodide Perovskite from Solution

open access: yes, 2019
In the ongoing intense quest to increase the photoconversion efficiencies of lead halide perovskites, it has become evident that optimizing the morphology of the material is essential to achieve high peformance.
Ahlawat, Paramvir   +4 more
core  

Stabilization of halide perovskites with silicon compounds for optoelectronic, catalytic, and bioimaging applications

open access: yesInfoMat
Silicon belongs to group 14 elements along with carbon, germanium, tin, and lead in the periodic table. Similar to carbon, silicon is capable of forming a wide range of stable compounds, including silicon hydrides, organosilicons, silicic acids, silicon ...
Atanu Jana   +8 more
doaj   +1 more source

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