Blocking Layer Induced Bi‐Directional Biased Photomultiplication‐Type Near‐Infrared Flexible Organic Photodetectors
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202415142
Abstract: Photomultiplication‐type organic photodetectors (PM‐OPDs) effectively amplify photogenerated signals, eliminating the need for external amplifiers and simplifying detection systems. Current designs require high bias voltages, leading to significant power consumption. This study introduces PM‐OPDs with reduced… read more here.
Keywords: layer; blocking layer; organic photodetectors; photomultiplication type ... See more keywords
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
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
Highly Reversible Li–Se Batteries with Ultra-Lightweight N,S-Codoped Graphene Blocking Layer
Sign Up to like & getrecommendations! Published in 2018 at "Nano-Micro Letters"
DOI: 10.1007/s40820-018-0213-5
Abstract: AbstractThe desire for practical utilization of rechargeable lithium batteries with high energy density has motivated attempts to develop new electrode materials and battery systems. Here, without additional binders we present a simple vacuum filtration method… read more here.
Keywords: codoped graphene; ultra lightweight; graphene; blocking layer ... See more keywords
Differently sintered TiOx hole blocking layers for solution processed solar cells
Sign Up to like & getrecommendations! Published in 2018 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2018.05.180
Abstract: Abstract Thin TiOx layers were prepared by dip-coating using titanium diisopropoxide acetylacetonate (TiAcAc) precursor on different substrates and annealed at different temperatures. Atomic force microscopy, UV–Vis, FTIR and XRD spectroscopy were used to determine thickness,… read more here.
Keywords: hole blocking; differently sintered; blocking layer; sintered tiox ... See more keywords
Effect of Interfacial Blocking Layer Morphology on the Solar Peroxydisulfate Production of WO3 Nanoflakes
Sign Up to like & getrecommendations! Published in 2017 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2017.05.097
Abstract: Herein, we investigate the morphological effect of WO3 interfacial blocking layer on the PEC performance of WO3 nanoflakes grown on fluorine-doped tin oxide (FTO) glass as a model photoanode system. We found that the mesoporous… read more here.
Keywords: effect; blocking layer; wo3 nanoflakes; interfacial blocking ... See more keywords
Blocking layer for prevention of current leakage for reversible solid oxide fuel cells and electrolysis cells with ceria-based electrolyte
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2016.09.176
Abstract: Abstract Doped ceria is one of the most promising materials for an electrolyte of solid oxide fuel cells (SOFCs) and electrolysis cells (SOECs), because it has higher ionic conductivity than stabilized zirconia. However, current leakage… read more here.
Keywords: current leakage; blocking layer; solid oxide; oxide fuel ... 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
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
Effects of inorganic surface blocking layer of SnS on the performance and stability of perovskite solar cells
Sign Up to like & getrecommendations! Published in 2020 at "Materials Science in Semiconductor Processing"
DOI: 10.1016/j.mssp.2020.105224
Abstract: Abstract Incorporation of SnS as a blocking layer at the interface of TiO2 and CH3NH3PbI3(MAPbI3) perovskite has been investigated. With respect to the control, the inclusion of a 3 nm SnS layer via thermal evaporation leads… read more here.
Keywords: effects inorganic; surface; blocking layer; performance ... 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