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   Articles with "carrier dynamics" as a keyword



Transient Absorption Microscopy Explores the Effect of Pt Deposition on Charge Carrier Dynamics in Individual Carbon Nitride Particles

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recommendations! Published in 2025 at "Chemsuschem"

DOI: 10.1002/cssc.202500203

Abstract: This study aims to spatially understand the effect of Pt deposition on slow (μs–s) carrier dynamics in carbon nitride (CN x ) photocatalysts, using a homebuilt microsecond diffuse reflectance transient absorption microscopy setup. It is… read more here.

Keywords: effect deposition; carrier dynamics; carbon nitride; deposition ... See more keywords

Sub-Picosecond Carrier Dynamics Explored using Automated High-Throughput Studies of Doping Inhomogeneity within a Bayesian Framework.

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recommendations! Published in 2023 at "Small"

DOI: 10.1002/smll.202300053

Abstract: Bottom-up production of semiconductor nanomaterials is often accompanied by inhomogeneity resulting in a spread in electronic properties which may be influenced by the nanoparticle geometry, crystal quality, stoichiometry, or doping. Using photoluminescence spectroscopy of a… read more here.

Keywords: carrier dynamics; inhomogeneity; spectroscopy; high throughput ... See more keywords

Carrier Dynamics and Structural Analyses of Orange/Red In-Rich InGaN Double-Quantum Wells LED Hybridized by Blue InGaN Single-Quantum Well.

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recommendations! Published in 2025 at "Small"

DOI: 10.1002/smll.202404587

Abstract: The carrier dynamics of orange/red LEDs incorporating In-rich In0.35Ga0.65N/GaN double quantum well (DQW) structures are explored. The improved hybrid LED structure incorporates an In-poor In0.2Ga0.8N single quantum well (SQW) alongside DQWs that are characterized by… read more here.

Keywords: carrier dynamics; double quantum; orange red; quantum well ... See more keywords
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Ultrafast carrier dynamics of Bi2O2Se nanoplates in the nonlinear excitation regime

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recommendations! Published in 2021 at "Chemical Physics"

DOI: 10.1016/j.chemphys.2020.111017

Abstract: Abstract Carrier-phonon interactions play a key role in low-dimensional semiconductors which have attracted great interest due to their rich physics and the potential for tailoring the electron mobility or thermal conductivity for device applications. In… read more here.

Keywords: nonlinear excitation; excitation regime; dynamics bi2o2se; carrier dynamics ... See more keywords

Wavelength-dependent charge carrier dynamics: the case of Ag2S/organic thin films heterojunction solar cells

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recommendations! Published in 2017 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2017.08.135

Abstract: Abstract Although hybrid solar cells take advantages of both inorganic and organic semiconductors for high performance, there have not been comparably photoelectric conversion efficiencies as expected from this kind of solar cells till now. The… read more here.

Keywords: charge; wavelength dependent; carrier dynamics; charge carrier ... See more keywords

Luminescence and carrier dynamics in nanostructured silicon

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recommendations! Published in 2017 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2017.02.012

Abstract: Abstract We report increased radiation in the visible and terahertz (THz) regimes in silicon(Si)-based nanostructures. The nanostructures, Si nanowires (SiNWs) and porous Si (PSi), were synthesized via electroless and electrochemical surface modification, respectively. In particular,… read more here.

Keywords: dynamics nanostructured; carrier dynamics; carrier; luminescence carrier ... See more keywords

Carrier dynamics in hybrid nanostructure with electronic coupling from an InGaAs quantum well to InAs quantum dots

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recommendations! Published in 2018 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2018.05.029

Abstract: Abstract Carrier dynamics including carrier relaxation and tunneling within a coupled InAs quantum dot (QD) – In0.15Ga0.85As quantum well (QW) hybrid nanostructure are investigated using photoluminescence (PL) spectroscopy. This coupled hybrid nanostructure shows a single… read more here.

Keywords: hybrid nanostructure; carrier dynamics; carrier; inas quantum ... See more keywords

Inversion of activity in DSSC for TiO2 and ZnO photo-anodes depending on the choice of sensitizer and carrier dynamics

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recommendations! Published in 2019 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2018.11.012

Abstract: Abstract In this study, we have demonstrated an inversion in the efficiency of TiO2 and ZnO based dye sensitized solar cells for an organic sensitizer C343 and another Ru based sensitizer N719. Despite of faster… read more here.

Keywords: spectroscopy; sensitizer; carrier dynamics; zno ... See more keywords
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Spatially heterogeneous ultrafast interfacial carrier dynamics of 2D-MoS2 flakes

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recommendations! Published in 2021 at "Materials Today Physics"

DOI: 10.1016/j.mtphys.2021.100506

Abstract: Abstract Understanding the ultrafast carrier dynamics of transition metal dichalcogenides is critical for future applications in high-speed electronic and optoelectronic devices. In this work, we used a combination of femtosecond (fs) time-resolved micro-area photoelectron spectroscopy… read more here.

Keywords: mos2 flakes; spectroscopy; dynamics mos2; carrier dynamics ... See more keywords
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Structural, optical and Carrier dynamics of self-assembled InGaN nanocolumns on Si(111)

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recommendations! Published in 2018 at "Superlattices and Microstructures"

DOI: 10.1016/j.spmi.2018.02.036

Abstract: Abstract We investigated the morphological, structural, optical, electrical and carrier relaxation dynamic changes on the self-assembled grown InGaN nanocolumns (NCs) directly on p-Si(111) substrate at two different substrate temperature, namely 580 °C (A) and 500 °C (B).… read more here.

Keywords: structural optical; ingan nanocolumns; self assembled; carrier dynamics ... See more keywords

Ultrafast Laser-Pump Electron-Probe Microscopy for Imaging Semiconductor Carrier Dynamics

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recommendations! Published in 2019 at "Microscopy and Microanalysis"

DOI: 10.1017/s1431927619010730

Abstract: Pioneering work of the Zewail group has shown it possible to study semiconductor carrier dynamics by photoexciting semiconductor materials and probing the carrier induced change of secondary electron (SE) yield in a scanning electron microscope… read more here.

Keywords: microscopy; carrier dynamics; electron; carrier ... See more keywords