Increasing the internal quantum efficiency of green GaN-based light-emitting diodes by employing graded quantum well and electron blocking layer
Sign Up to like & getrecommendations! Published in 2020 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-020-02423-4
Abstract: By numerical investigation of various structures, we have proposed a promising single quantum well device for efficient green InGaN-based light-emitting diodes. The peak internal quantum efficiency of the proposed structure, at lower current density, is… read more here.
Keywords: quantum; electron blocking; blocking layer; light emitting ... See more keywords
High internal quantum efficiency of green GaN-based light-emitting diodes by thickness-graded last well/last barrier and composition-graded electron blocking layer
Sign Up to like & getrecommendations! Published in 2020 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-020-02436-z
Abstract: To enhance the performance of green light-emitting diodes (LEDs), numerical analysis of structural engineering of conventional LED has been presented. Our proposed structure with composition-graded electron blocking layer as well as thickness-graded last quantum barrier… read more here.
Keywords: graded electron; quantum; electron blocking; emitting diodes ... See more keywords
Role of Electron Blocking Layer in Performance Improvement of Organic Diodes
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Electronic Materials"
DOI: 10.1007/s11664-019-06964-7
Abstract: Charge-carrier mobilities in organic diodes based on an anthracene-containing poly(arylene-ethynylene)-alt-poly(p-phenylene-vinylene) generally known as AnE-PVstat, stacked with an electron blocking thin layer of NPB(N, N′-bis (1-naphythyl)-N, N-diphenyl-1,1′-biphenyl-4,4′-diamin) of various thicknesses are investigated through current density-voltage (J-V),… read more here.
Keywords: electron blocking; layer; hbox hbox; blocking layer ... See more keywords
Thickness-graded quantum barriers and composition-graded electron blocking layer for efficient green light-emitting diodes
Sign Up to like & getrecommendations! Published in 2020 at "Optik"
DOI: 10.1016/j.ijleo.2020.164767
Abstract: Abstract We present a simultaneously thickness-graded quantum barriers and composition-graded electron blocking layer as a promising and efficient design for green light-emitting diodes. The device, we proposed, shows decreased efficiency droop at high current density.… read more here.
Keywords: graded electron; electron blocking; quantum barriers; blocking layer ... See more keywords
Design of electron blocking layer with electron stabilizing unit for improved efficiency and lifetime in blue fluorescent organic light-emitting diodes
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Industrial and Engineering Chemistry"
DOI: 10.1016/j.jiec.2019.02.004
Abstract: Abstract Electron blocking materials for improved efficiency and lifetime in blue fluorescent organic light-emitting diodes were developed based on a molecular design to transport holes and withstand electron leakage. Two electron blocking materials, N,N-bis(4-(dibenzo[b,d]furan-4-yl)phenyl)-[1,1′-biphenyl]-4-amine (BPADBF)… read more here.
Keywords: electron blocking; light emitting; electron; fluorescent organic ... See more keywords
Improved light emission from n-ZnO/p-Si heterojunction with HfO2 as an electron blocking layer
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2016.12.033
Abstract: Abstract Light-emitting diodes (LEDs) based on ZnO were fabricated on a p -Si substrate by using a pulsed laser deposition system. Significant electroluminescence (EL) improvement was demonstrated with the insertion of an HfO 2 electron… read more here.
Keywords: hfo; electron blocking; layer; zno ... See more keywords
Wedge-shaped electron blocking layer to improve hole transport and efficiency in green light-emitting diodes
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.125493
Abstract: Abstract We present an engineered wedge-shaped electron blocking layer to tackle the issue of hole injection and transport into the active region. Poor hole injection and transport are one of the major reasons behind the… read more here.
Keywords: electron blocking; shaped electron; transport; hole ... See more keywords
Role of the electron blocking layer in the graded-index separate confinement heterostructure nitride laser diodes
Sign Up to like & getrecommendations! Published in 2018 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2018.02.016
Abstract: Abstract In this work, we investigate the role of the electron blocking layer (EBL) in laser diodes based on a graded index separate confinement heterostructure. We compare two sets of devices with very different EBL… read more here.
Keywords: electron blocking; role electron; blocking layer; laser diodes ... See more keywords
Small biomolecule dopant retinals: Electron blocking layer in P3HT:PCBM type organic solar cells
Sign Up to like & getrecommendations! Published in 2018 at "Synthetic Metals"
DOI: 10.1016/j.synthmet.2017.11.012
Abstract: Abstract We present a comparative study of the photophysics and electron/hole properties of all-trans retinal-benzimidazole type molecules decorated with different electronic moieties (such as –OCH3, –N(CH3)2, –F, –CF3) in organic photovoltaic (OPV) devices in solution… read more here.
Keywords: electron blocking; p3ht pcbm; type; layer p3ht ... See more keywords
A New Dioxasilepine-Aryldiamine Hybrid Electron-Blocking Material for Wide Linear Dynamic Range and Fast Response Organic Photodetector.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c04434
Abstract: A new dioxasilepine and aryldiamine hybrid material DPSi-DBDTA is designed to act as the electron-blocking layer (EBL) for vacuum-processed organic photodetector (OPD). The O-Si-O-linked cyclic structure leads DPSi-DBDTA to have dipolar character, high LUMO, and… read more here.
Keywords: new dioxasilepine; aryldiamine hybrid; dioxasilepine aryldiamine; electron blocking ... See more keywords
An Efficient Electron-Blocking Interlayer Induced by Metal Ion Diffusion for SOFC Based on Y-Doped Ceria Electrolyte.
Sign Up to like & getrecommendations! Published in 2018 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.7b18924
Abstract: To suppress the internal electronic leakage at ceria-based electrolyte, a novel electron-blocking layer consisting of doped BaCe0.8Y0.2O3-δ was fabricated in situ at the interface of Ba-containing anode and Y-doped ceria electrolyte. The anode-supported full cell… read more here.
Keywords: blocking interlayer; electron blocking; doped ceria; ceria electrolyte ... See more keywords