Near-Unity Emitting Copper-Doped Colloidal Semiconductor Quantum Wells for Luminescent Solar Concentrators.
Sign Up to like & getrecommendations! Published in 2017 at "Advanced materials"
DOI: 10.1002/adma.201700821
Abstract: Doping of bulk semiconductors has revealed widespread success in optoelectronic applications. In the past few decades, substantial effort has been engaged for doping at the nanoscale. Recently, doped colloidal quantum dots (CQDs) have been demonstrated… read more here.
Keywords: quantum; luminescent solar; copper; doped colloidal ... See more keywords
Engineering Band-Type Alignment in CsPbBr3 Perovskite-Based Artificial Multiple Quantum Wells.
Sign Up to like & getrecommendations! Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202005166
Abstract: Semiconductor heterostructures of multiple quantum wells (MQWs) have major applications in optoelectronics. However, for halide perovskites-the leading class of emerging semiconductors-building a variety of bandgap alignments (i.e., band-types) in MQWs is not yet realized owing… read more here.
Keywords: multiple quantum; band; quantum wells; perovskite based ... See more keywords
Zwitterions Narrow Distribution of Perovskite Quantum Wells for Blue Light‐Emitting Diodes with Efficiency Exceeding 15%
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202208078
Abstract: While quasi‐two‐dimensional (quasi‐2D) perovskites have emerged as promising semiconductors for light‐emitting diodes (LEDs), the broad‐width distribution of quantum wells hinders their efficient energy transfer and electroluminescence performance in blue emission. In particular, the underlying mechanism… read more here.
Keywords: quasi perovskites; quantum; light emitting; distribution ... See more keywords
Anharmonic Exciton‐Phonon Coupling in Metal‐Organic Chalcogenides Hybrid Quantum Wells
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Optical Materials"
DOI: 10.1002/adom.202202213
Abstract: In contrast to inorganic quantum wells, hybrid quantum wells (HQWs) based on metal‐organic semiconductors are characterized by relatively soft lattices, in which excitonic states can strongly couple to lattice phonons. Therefore, understanding the lattice's impact… read more here.
Keywords: exciton; exciton phonon; metal organic; quantum wells ... See more keywords
Spectra of PT-symmetric fractional Schrödinger equations with multiple quantum wells
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Computational Electronics"
DOI: 10.1007/s10825-020-01576-5
Abstract: We evaluate the eigenvalues of a type of one-dimensional PT-symmetric fractional Schrodinger equation with multiple quantum wells potential profile. By using a finite-difference scheme, we solve the fractional Schrodinger equation and present the algorithm. We… read more here.
Keywords: multiple quantum; spectra symmetric; symmetric fractional; pairwise coalescence ... See more keywords
GaN-based bipolar cascade lasers with 25 nm wide quantum wells
Sign Up to like & getrecommendations! Published in 2022 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-021-03455-0
Abstract: In good agreement with measurements, self-consistent numerical simulations are utilized to analyze internal device physics, performance limitations, and optimization options for a unique laser design with multiple active regions separated by tunnel junctions, featuring surprisingly… read more here.
Keywords: quantum wells; gan based; bipolar cascade; quantum ... See more keywords
Quasi-Two-Dimensional Electron–Hole Liquid in Si/SiO2 Quantum Wells
Sign Up to like & getrecommendations! Published in 2018 at "Russian Physics Journal"
DOI: 10.1007/s11182-018-1420-8
Abstract: To calculate the energy and equilibrium density of electron-hole pairs in SiO2/Si/SiO2 quantum wells (QWs), nonlinear Schrödinger equations for electrons and holes were numerically solved. Calculations were carried out for (100) and (111) silicon surfaces… read more here.
Keywords: quasi two; quantum wells; hole; electron hole ... See more keywords
Optimization of the Epitaxial Growth of Undoped GaN Waveguides in GaN-Based Laser Diodes Evaluated by Photoluminescence
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Electronic Materials"
DOI: 10.1007/s11664-020-08159-x
Abstract: Non-intentionally doped c-plane GaN layers are generally employed as p-side waveguide layers in violet/blue-emitting laser diodes. The recombination and diffusion of charge carriers in the p-side GaN waveguide influence the injection efficiency of holes into… read more here.
Keywords: ingan quantum; quantum wells; laser diodes; photoluminescence ... See more keywords
Influence of molecular beam effusion cell quality on optical and electrical properties of quantum dots and quantum wells
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Crystal Growth"
DOI: 10.1016/j.jcrysgro.2020.125884
Abstract: Abstract Quantum dot heterostructures with excellent low-noise properties became possible with high purity materials recently. We present a study on molecular beam epitaxy grown quantum wells and quantum dots with a contaminated aluminum evaporation cell,… read more here.
Keywords: quantum wells; optical electrical; molecular beam; cell ... See more keywords
A promising approach for in-situ growth of phosphor-free white InGaN/GaN multiple quantum wells with V-pits
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2020.117520
Abstract: Abstract For comfortable interior and mood lighting, warm and natural white light with excellent color version is indispensable. Here, we reported a main progress that in-situ generation of V-pits in InGaN/GaN layers intentionally to realize… read more here.
Keywords: multiple quantum; ingan gan; situ; quantum wells ... See more keywords
Influence of confined optical phonons on the magneto-optical properties in parabolic quantum wells
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Physics and Chemistry of Solids"
DOI: 10.1016/j.jpcs.2020.109501
Abstract: Abstract In this study, we use the operator projection method and descriptions of the Fuchs–Kliewer, Ridley, and Huang–Zhu confined phonon models to investigate the influence of confined optical phonons on the magneto-optical properties in parabolic… read more here.
Keywords: quantum; confined optical; optical phonons; influence confined ... See more keywords