Comparative study of negative electron affinity GaAs nanowire photocathodes with Cs/O and with Cs/NF3 from first‐principles
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Energy Research"
DOI: 10.1002/er.4780
Abstract: We perform a detailed comparative study of Cs/O and Cs/NF3 activation mechanism of negative electron affinity (NEA) GaAs nanowire photocathodes through first‐principles calculations based on density functional theory (DFT). The adsorption energy, Mulliken charge distribution,… read more here.
Keywords: gaas nanowire; nanowire photocathodes; nanowire; electron affinity ... See more keywords
Impact of gas adsorption on the stability and electronic properties of negative electron affinity GaAs nanowire photocathodes.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of colloid and interface science"
DOI: 10.1016/j.jcis.2020.03.100
Abstract: The influence of CO, CO2, H2O, H2 and CH4 adsorption on the stability and electronic properties of negative electron affinity (NEA) GaAs nanowire surfaces activated by Cs/O and Cs/NF3 are systematically investigated via first-principles. The… read more here.
Keywords: adsorption; gaas nanowire; gas; electron affinity ... See more keywords
Hybrid GaAs nanowire-polymer device on glass: Al-doped ZnO (AZO) as transparent conductive oxide for nanowire based photovoltaic applications
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Crystal Growth"
DOI: 10.1016/j.jcrysgro.2020.125840
Abstract: Abstract Al-doped ZnO (AZO) is pursued as an alternative low-cost transparent conductive oxide (TCO) to expensive ITO. Atomic layer deposition grown AZO films showing resistivity of 5 × 10−3 Ωcm and transmittance >85% in the visible region… read more here.
Keywords: gaas nanowire; glass; transparent; nanowire ... See more keywords
Spin-dependent transport in GaAs nanowire-based devices
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2017.03.032
Abstract: Abstract The transport properties of GaAs nanowire (NW)-based devices are investigated using non-equilibrium Green’s function technique combined with density functional theory (DFT). Two types of NW-based devices are studied, which include the electrodes that are… read more here.
Keywords: gaas nanowire; nanowire based; devices spin; transport ... See more keywords
Tuning the electronic and optical properties of GaAs nanowire (10-10) surfaces by Zn doping: First-principles study
Sign Up to like & getrecommendations! Published in 2019 at "Solid State Communications"
DOI: 10.1016/j.ssc.2018.11.003
Abstract: Abstract To reveal the tuning effect of Zn doping on the electronic and optical properties of GaAs nanowire (10-10) surfaces, pristine and Zn-doped GaAs nanowire surface models with different doping positions and doping concentration are… read more here.
Keywords: properties gaas; first principles; nanowire surfaces; electronic optical ... See more keywords
Enhanced Photoresponsivity of a GaAs Nanowire Metal-Semiconductor-Metal Photodetector by Adjusting the Fermi Level.
Sign Up to like & getrecommendations! Published in 2019 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.9b07891
Abstract: Metal-semiconductor-metal (MSM)-structured GaAs-based nanowire photodetectors have been widely reported due to their promises as an alternative for high-performance devices. Owing to the Schottky built-in electric fields in the MSM structure photodetectors, enhancements in photoresponsivity can… read more here.
Keywords: metal; adjusting fermi; fermi level; gaas nanowire ... See more keywords
Growth of GaAs nanowire–graphite nanoplatelet hybrid structures
Sign Up to like & getrecommendations! Published in 2019 at "CrystEngComm"
DOI: 10.1039/c9ce01027k
Abstract: The scenarios of MOVPE growth of planar and non-planar GaAs nanowires are controlled with graphite nanoplatelet substrates and catalyst placement. read more here.
Keywords: graphite nanoplatelet; gaas nanowire; nanowire graphite; growth gaas ... See more keywords
Optimization of GaAs Nanowire Pin Junction Array Solar Cells by Using AlGaAs/GaAs Heterojunctions
Sign Up to like & getrecommendations! Published in 2018 at "Nanoscale Research Letters"
DOI: 10.1186/s11671-018-2503-8
Abstract: We optimized the performance of GaAs nanowire pin junction array solar cells by introducing AlGaAs/GaAs heterejunctions. AlGaAs is used for the p type top segment for axial junctions and the p type outer shell for… read more here.
Keywords: array solar; gaas nanowire; using algaas; algaas gaas ... See more keywords
GaAs Nanowire Photodetectors Based on Au Nanoparticles Modification
Sign Up to like & getrecommendations! Published in 2023 at "Materials"
DOI: 10.3390/ma16041735
Abstract: A high-performance GaAs nanowire photodetector was fabricated based on the modification of Au nanoparticles (NPs). Au nanoparticles prepared by thermal evaporation were used to modify the defects on the surface of GaAs nanowires. Plasmons and… read more here.
Keywords: modification; gaas nanowires; gaas nanowire; nanowire photodetectors ... See more keywords
Core–Shell GaAs-Fe Nanowire Arrays: Fabrication Using Electrochemical Etching and Deposition and Study of Their Magnetic Properties
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12091506
Abstract: The preparation of GaAs nanowire templates with the cost-effective electrochemical etching of (001) and (111)B GaAs substrates in a 1 M HNO3 electrolyte is reported. The electrochemical etching resulted in the obtaining of GaAs nanowires… read more here.
Keywords: shell gaas; core shell; gaas nanowire; gaas ... See more keywords