Extracting Polaron Recombination from Electroluminescence in Organic Light‐Emitting Diodes by Artificial Intelligence
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Materials"
DOI: 10.1002/adma.202209953
Abstract: Direct exploring the electroluminescence (EL) of organic light‐emitting diodes (OLEDs) is a challenge due to the complicated processes of polarons, excitons, and their interactions. This study demonstrated the extraction of the polaron dynamics from transient… read more here.
Keywords: organic light; recombination; emitting diodes; electroluminescence organic ... See more keywords
Non-adiabatic small polaron hopping transport above metal-like to insulator transition in the vacant 3d-orbital Tb2Ti2O7 pyrochlore oxide
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-020-04732-6
Abstract: We report the validity of Mott variable range hopping (VRH) conduction mechanism and small polaron hopping in Tb2Ti2O7 in the temperature range 603–803 K. The temperature-dependent resistivity data are in good agreement with Mott 3d… read more here.
Keywords: mechanism; polaron; polaron hopping; usepackage ... See more keywords
Diagram Approach to the Problem of the Normal Phase Properties of the Spin-Polaron Ensemble in Cuprate Superconductors
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Low Temperature Physics"
DOI: 10.1007/s10909-019-02211-9
Abstract: Taking into account the real crystalline structure of the $$\hbox {CuO}_2$$ plane within the spin-fermion model and using the diagram technique, the spin-polaron concept of the fermionic excitations in cuprate superconductors is implemented. It is… read more here.
Keywords: diagram approach; properties spin; polaron; cuprate superconductors ... See more keywords
Anisotropic parabolic confinement potential effect on polaron ground state and phonon's number in the RbCl asymmetrical quantum wells
Sign Up to like & getrecommendations! Published in 2021 at "Indian Journal of Physics"
DOI: 10.1007/s12648-021-02136-8
Abstract: The effect of anisotropic parabolic confinement potential (APCP) on the strong-coupling (SC) polaron ground state and phonon mean number (PMN) of RbCl asymmetrical semi-exponential quantum wells (ASEQWs) have been investigated on the basis of Lee–Low–Pines (LLP)… read more here.
Keywords: polaron ground; anisotropic parabolic; polaron; confinement ... See more keywords
Electron transfer calculations between edge sharing octahedra in hematite, goethite, and annite
Sign Up to like & getrecommendations! Published in 2020 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2020.04.036
Abstract: Abstract A key reaction underlying the charge transport in iron containing oxides, clays, micas is the Fe 2 + - Fe 3 + exchange reaction between edge-sharing iron octahedra. These reactions facilitate conduction in these… read more here.
Keywords: hematite goethite; polaron; edge sharing; electron transfer ... See more keywords
Rashba effects on the first excited state of the bound polaron in a quantum pseudodot
Sign Up to like & getrecommendations! Published in 2019 at "Physica E: Low-dimensional Systems and Nanostructures"
DOI: 10.1016/j.physe.2019.02.013
Abstract: Abstract By using the Lee-Low-Pines unitary transformation and the Pekar type variational method, we studied Rashba effects on the first excited state of the bound polarons in a quantum pseudodot. In the paper, we have… read more here.
Keywords: excited state; first excited; rashba effects; polaron ... See more keywords
The first excited state energy of strong coupled bound polaron in monolayer graphene
Sign Up to like & getrecommendations! Published in 2017 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2017.08.001
Abstract: Abstract Properties of strong coupled polaron in monolayer graphene are discussed in the presence of the Coulomb interaction. The linear combination operator method and Lee-Low-Pine unitary transformation method are used to calculate the first exited… read more here.
Keywords: graphene; strong coupled; polaron; state energy ... See more keywords
Polaron interaction with a trap. Continuum approximation
Sign Up to like & getrecommendations! Published in 2021 at "Solid State Communications"
DOI: 10.1016/j.ssc.2021.114428
Abstract: Abstract An interaction of a moving polaron with a stationary trap is considered in the continuum approximation. Different scenarios — wave function capture and transmission, are possible depending on the polaron velocity. Intermediate cases can… read more here.
Keywords: polaron; trap; polaron interaction; continuum approximation ... See more keywords
Unconventional Substitution for BiVO4 to Enhance Photoelectrocatalytic Performance by Accelerating Polaron Hopping.
Sign Up to like & getrecommendations! Published in 2023 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c23169
Abstract: Bismuth vanadate (BiVO4) as a fascinating semiconductor for photoelectrocatalytic (PEC) water oxidation with suitable band gap (Eg) has been limited by the issue of poor separation and transportation of charge carriers. Herein, we propose an… read more here.
Keywords: polaron hopping; unconventional substitution; bivo4; polaron ... See more keywords
Stable Mott Polaron State Limits the Charge Density in Lead Halide Perovskites
Sign Up to like & getrecommendations! Published in 2022 at "ACS Energy Letters"
DOI: 10.1021/acsenergylett.2c01949
Abstract: Large polarons are known to form in lead halide perovskites (LHPs). Photoinduced isolated polarons at low densities have been well-researched, but many-body interactions at elevated polaron densities, exceeding the Mott criterion (i.e., Mott polaron density),… read more here.
Keywords: state; halide perovskites; mott polaron; lead halide ... See more keywords
Hybrid Functional Study on Small Polaron Formation and Ion Diffusion in the Cathode Material Na2Mn3(SO4)4
Sign Up to like & getrecommendations! Published in 2020 at "ACS Omega"
DOI: 10.1021/acsomega.0c00009
Abstract: The crystal structure, electronic structure, and diffusion mechanism of Na ions in the cathode material Na2Mn3(SO4)4 are investigated based on the Heyd–Scuseria–Ernzerhof hybrid density functional method. The simultaneous motion model of polaron–sodium vacancy complexes was… read more here.
Keywords: cathode material; diffusion; polaron; na2mn3 so4 ... See more keywords