Results 1 to 10 of about 1,343,962 (291)

Charge-Carrier Recombination in Halide Perovskites [PDF]

open access: yesChemical Reviews, 2019
The success of halide perovskites in a host of optoelectronic applications is often attributed to their long photoexcited carrier lifetimes, which has led to charge-carrier recombination processes being described as unique compared to other semiconductors.
Kyle Frohna   +2 more
exaly   +5 more sources

Decoding Charge Recombination through Charge Generation in Organic Solar Cells [PDF]

open access: yesSolar Rrl, 2019
The in‐depth understanding of charge carrier photogeneration and recombination mechanisms in organic solar cells is still an ongoing effort. In donor:acceptor (bulk) heterojunction organic solar cells, charge photogeneration and recombination are inter‐related via the kinetics of charge transfer states—being singlet or triplet states.
Safa Shoaee   +2 more
exaly   +7 more sources

Suppression of Charge Recombination by Auxiliary Atoms in Photoinduced Charge Separation Dynamics with Mn Oxides: A Theoretical Study [PDF]

open access: yesMolecules, 2022
Charge separation is one of the most crucial processes in photochemical dynamics of energy conversion, widely observed ranging from water splitting in photosystem II (PSII) of plants to photoinduced oxidation reduction processes. Several basic principles,
Yu Ohnishi   +2 more
doaj   +2 more sources

Reduced bimolecular charge recombination in efficient organic solar cells comprising non-fullerene acceptors [PDF]

open access: yesScientific Reports, 2023
Bimolecular charge recombination is one of the most important loss processes in organic solar cells. However, the bimolecular recombination rate in solar cells based on novel non-fullerene acceptors is mostly unclear.
Yue Wu   +11 more
doaj   +2 more sources

Investigation of charge carrier transport and recombination in organic semiconductors with Charge Extraction by Linearly Increasing Voltage (CELIV) technique [PDF]

open access: yesJournal of Applied Research on Industrial Engineering, 2023
This study aimed to calculate the drift velocity and mobility of holes in organic semiconducting polymers by the Charge Extraction via Linearly Increasing Voltage (CELIV) technique to measure the charge carrier mobility.
Ali Mahmoudloo
doaj   +1 more source

Optical Pump–Terahertz Probe Study of HR GaAs:Cr and SI GaAs:EL2 Structures with Long Charge Carrier Lifetimes

open access: yesPhotonics, 2021
The time dynamics of nonequilibrium charge carrier relaxation processes in SI GaAs:EL2 (semi-insulating gallium arsenide compensated with EL2 centers) and HR GaAs:Cr (high-resistive gallium arsenide compensated with chromium) were studied by the optical ...
Irina A. Kolesnikova   +8 more
doaj   +1 more source

Charge recombination in undoped cuprates [PDF]

open access: yesPhysical Review B, 2014
13 pages, 9 ...
Lenarčič, Zala, Prelovšek, Peter
openaire   +2 more sources

Inhibited recombination of charged magnetoexcitons [PDF]

open access: yesPhysical Review B, 1998
Time-resolved photoluminescence measurements show that the decay time for charged excitons in a GaAs two-dimensional electron gas increases by an order of magnitude at high magnetic fields. Unlike neutral excitons, the charged exciton center-of-mass is spatially confined in a ``magnetically-adjustable quantum dot'' by the cyclotron orbit and the ...
Okamura, Hidekazu   +3 more
openaire   +2 more sources

Recombination and lifetimes of charge carriers in semiconductors [PDF]

open access: yesJournal of Applied Physics, 2004
In this Communication, it is shown that models used for describing generation and recombination of electrons and holes lead to disagreements with Maxwell’s electrodynamics. Self-consistent expressions, more adequately depicting the actual physical processes of electron-hole recombination in semiconductors are obtained. It is shown that the electron and
Volovichev, I. N.   +3 more
openaire   +2 more sources

High Power Irradiance Dependence of Charge Species Dynamics in Hybrid Perovskites and Kinetic Evidence for Transient Vibrational Stark Effect in Formamidinium

open access: yesNanomaterials, 2022
Hybrid halide perovskites materials have the potential for both photovoltaic and light-emitting devices. Relatively little has been reported on the kinetics of charge relaxation upon intense excitation. In order to evaluate the illumination power density
Rafal Rakowski   +11 more
doaj   +1 more source

Home - About - Disclaimer - Privacy