Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Andrew J. Ritenour"'
Autor:
Shaul Aloni, Allison L. Davis, Jason W. Boucher, Shannon W. Boettcher, Andrew J. Ritenour, Ann L. Greenaway
Publikováno v:
Journal of Materials Chemistry A. 4:2909-2918
We report the heteroepitaxial growth of variable composition n-GaAs1−xPx directly on GaAs substrates via close-spaced vapor transport using mixed GaAs–GaP powder sources. GaAs1−xPx films showed an average 10% reduction in atomic concentration o
Autor:
Jason W. Boucher, Andrew J. Ritenour, Robert DeLancey, Shannon W. Boettcher, Shaul Aloni, Ann L. Greenaway
Publikováno v:
Energy & Environmental Science. 8:278-285
We report the use of a simple close-spaced vapor transport technique for the growth of high-quality epitaxial GaAs films using potentially inexpensive GaAs powders as precursors. The free carrier type and density (1016 to 1019 cm−3) of the films we
Autor:
Benjamin F. Bachman, Shaul Aloni, Allison L. Davis, Jason W. Boucher, Shannon W. Boettcher, Ann L. Greenaway, Andrew J. Ritenour
Publikováno v:
2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC).
Close-spaced vapor transport (CSVT) uses solid precursors to deposit material at high rates and with high precursor utilization. The use of solid precursors could significantly reduce the costs associated with III–V photovoltaics, particularly if g
Publikováno v:
2014 IEEE 40th Photovoltaic Specialist Conference (PVSC).
We report on the first pn junction solar cells grown by homoepitaxy of GaAs using close space vapor transport (CSVT). Cells were grown both on commercial wafer substrates and on a CSVT absorber film, and had efficiencies reaching 8.1%, open circuit v
Publikováno v:
ACS nano. 7(8)
Methods to simultaneously optimize carrier collection and light in-coupling in semiconductors are important for developing low-cost, high-efficiency photovoltaics and photoelectrodes. We anodically etched nanostructures into planar (100) n-GaAs wafer
Publikováno v:
SPIE Proceedings.
GaAs is an attractive material for thin-film photovoltaic applications, but is not widely used for terrestrial power generation due to the high cost of metal-organic chemical vapor deposition (MOCVD) techniques typically used for growth. Close space
Publikováno v:
2012 38th IEEE Photovoltaic Specialists Conference.
GaAs is an attractive photovoltaic material, but its widespread implementation is limited in part by the high cost of metal-organic chemical vapor deposition, which employs toxic and pyrophoric gas-phase precursors. We study close-space vapor transpo
Publikováno v:
ACS applied materialsinterfaces. 4(1)
n-GaAs films were grown epitaxially on n(+)-GaAs substrates by a close-spaced vapor transport method and their photoelectrochemical energy conversion properties studied. Under 100 mW cm(-2) of ELH solar simulation, conversion efficiencies up to 9.3%