Through Space Charge Transfer for Efficient Sky‐Blue Thermally Activated Delayed Fluorescence (TADF) Emitter with Unconjugated Connection
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Optical Materials"
DOI: 10.1002/adom.201901150
Abstract: Through‐space charge transfer, which exists in nonconjugation linker based thermally activated delayed fluorescence (TADF) materials, excites chemists to explore more possibilities in organic light‐emitting diodes (OLEDs). Herein, an sp3‐hybrid carbon‐centered donor–σ–acceptor type chromophore, QAFCN, is… read more here.
Keywords: thermally activated; charge transfer; tadf; space charge ... See more keywords
Does Through‐Space Charge Transfer in Bipolar Hosts Affect the Efficiency of Blue OLEDs?
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Optical Materials"
DOI: 10.1002/adom.202002227
Abstract: Additional energy loss pathways which occur in blue electrophosphorescent devices via through‐space charge transfer (TSCT) states of bipolar hosts are identified for the first time in this study. Blue phosphorescent organic light‐emitting diodes (PhOLEDs) with… read more here.
Keywords: energy; charge transfer; space charge; bipolar hosts ... See more keywords
Intramolecular Through‐Space Charge Transfer Based TADF‐Active Multifunctional Emitters for High Efficiency Solution‐Processed OLED
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Optical Materials"
DOI: 10.1002/adom.202100180
Abstract: Thermally activated delayed fluorescence (TADF) has been explored actively in luminescent organic materials. Yet, realizing such TADF‐active, multifunctional emitters with high emission efficiency still remains hugely challenging. In this context, a series of twist‐conjugated organic… read more here.
Keywords: tadf active; multifunctional emitters; space charge; efficiency ... See more keywords
Two-frequency laser with distributed feedback formed by a space charge wave
Sign Up to like & getrecommendations! Published in 2019 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-019-2090-7
Abstract: The regimes of amplification and generation of optical TE waves arising on a grating formed by a space charge wave (SCW) in a plane optical waveguide based on an n-GaAs semiconductor are considered. For the… read more here.
Keywords: formed space; laser; space charge; charge wave ... See more keywords
Influence of Space Charge During the Oxidation of Metal Surfaces
Sign Up to like & getrecommendations! Published in 2018 at "Oxidation of Metals"
DOI: 10.1007/s11085-018-9843-8
Abstract: In this work we present a model for the surface oxide film growth considering the influence of space charge. The space charge field Esp is assumed proportional to the charge of moving metal ions and… read more here.
Keywords: influence space; space charge; oxidation; charge ... See more keywords
Modeling of space charge dielectric constant
Sign Up to like & getrecommendations! Published in 2017 at "Ionics"
DOI: 10.1007/s11581-016-1955-z
Abstract: The space charge polarization/depolarization is considered, and to relate the geometrical arrangement of constitutive phases to the dielectric response, three space charge dielectric constants, viz., trapped space charge dielectric constant εt, drift space charge dielectric… read more here.
Keywords: space; space charge; dielectric constant; modeling space ... See more keywords
Effect of Illumination Wavelength on the Extension of the Space Charge Regions of Photovoltaic Capacitance Efficiency
Sign Up to like & getrecommendations! Published in 2018 at "Silicon"
DOI: 10.1007/s12633-017-9736-5
Abstract: The effect of the illumination wavelength on the vertical parallel silicon solar cell n-p junction with electrical parameters by use extension space charge region method is theoretically analyzed. Based on the excess minority carrier’s density,… read more here.
Keywords: space; space charge; effect illumination; efficiency ... See more keywords
High discharged energy density of nanocomposites filled with double-layered core-shell nanoparticles by reducing space charge polarization
Sign Up to like & getrecommendations! Published in 2018 at "Ceramics International"
DOI: 10.1016/j.ceramint.2018.07.161
Abstract: Abstract Polymer-based nanocomposite capacitors for energy storage with high discharged energy density and charge-discharge efficiency are of great importance to modern electronic devices and electrical systems. Herein, the energy storage properties are improved by applying… read more here.
Keywords: space charge; charge polarization; charge; energy ... See more keywords
Dynamics of space-charge acceleration of X-ray generated electrons emitted from a metal surface
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Electron Spectroscopy and Related Phenomena"
DOI: 10.1016/j.elspec.2017.03.003
Abstract: Abstract The so-called vacuum space-charge acceleration of emitted electrons triggered by absorption of soft X-rays (a few 100 eV) under intense near-infrared laser excitation is studied experimentally and theoretically. The influence of high excitation densities on… read more here.
Keywords: ray; charge acceleration; space charge;
A space charge dynamics based model for lifetime evaluation of insulating polymers
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2020.104393
Abstract: Abstract To explain the generally observed and applied electric field dependent lifetime of insulating polymers, a model based on space charge dynamics has been proposed. Electric field strength affects trapping and detrapping coefficients, then the… read more here.
Keywords: space charge; charge dynamics; field; charge ... See more keywords
Weak space charge effects in laser multiphoton ionization of a rarefied gas beam of heavy species
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Mass Spectrometry"
DOI: 10.1016/j.ijms.2019.03.004
Abstract: Abstract We experimentally explore weak space charge effects (SCEs) in multiphoton ionization (MPI) experiments using C60 as an example of heavy species. The laser-induced delayed ionization of C60 was used to prepare a photoion pulse… read more here.
Keywords: space charge; weak space; heavy species; ionization ... See more keywords