Sub-Picosecond Carrier Dynamics Explored using Automated High-Throughput Studies of Doping Inhomogeneity within a Bayesian Framework.
Sign Up to like & getrecommendations! 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
Ultrafast carrier dynamics of Bi2O2Se nanoplates in the nonlinear excitation regime
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Spatially heterogeneous ultrafast interfacial carrier dynamics of 2D-MoS2 flakes
Sign Up to like & getrecommendations! 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
Structural, optical and Carrier dynamics of self-assembled InGaN nanocolumns on Si(111)
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Electron Density Changes and Ultrafast Carrier Dynamics of the Antiferromagnetic Semiconductor MnPS3 through Magnetic Phase Transition.
Sign Up to like & getrecommendations! Published in 2022 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.2c02129
Abstract: Studying ultrafast dynamics provides us with a way to modify materials from the timescale of particle interaction, and the related research on antiferromagnetic semiconductors is still inadequate. Based on the electron density reconstruction, we achieve… read more here.
Keywords: magnetic phase; carrier dynamics; ultrafast carrier; mnps3 ... See more keywords
Ultrafast Charge Carrier Dynamics in Vanadium-Modified TiO2 Thin Films and Its Relation to Their Photoelectrocatalytic Efficiency for Water Splitting
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.0c06790
Abstract: Light absorption and charge transport in oxide semiconductors can be tuned by the introduction, during deposition, of a small quantity of foreign elements, leading to the improvement of the photoel... read more here.
Keywords: charge; vanadium modified; carrier dynamics; ultrafast charge ... See more keywords