Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Rachael Greenhalgh"'
Autor:
Rachael Greenhalgh, Kerrie Morris, Vladislav Kornienko, Martin Bliss, Ali Abbas, Jake Bowers, Michael Walls
Publikováno v:
2022 IEEE 49th Photovoltaics Specialists Conference (PVSC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed49b4c085dcec081a89aea2dcb223a3
https://doi.org/10.1109/pvsc48317.2022.9938834
https://doi.org/10.1109/pvsc48317.2022.9938834
Autor:
John M. Walls, Ali Abbas, Jake W. Bowers, Peter Hatton, Rachael Greenhalgh, Roger Smith, Pooja Goddard, Vladislav Kornienko
Publikováno v:
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC).
The introduction of selenium to the front of thin film CdTe photovoltaic devices has led to a sharp increase in conversion efficiency. One way to introduce the selenium is to first deposit a layer of CdSe on to the buffer layer before depositing a Cd
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76a1779b49edd92d99df90fae3ce124a
https://doi.org/10.1109/pvsc43889.2021.9519113
https://doi.org/10.1109/pvsc43889.2021.9519113
Autor:
Rachael Greenhalgh, Kurt L. Barth, J. Michael Walls, Mustafa Togay, Jake W. Bowers, Sampath S. Walajabad, Tushar M. Shimpi
Publikováno v:
2021 IEEE 48th Photovoltaic Specialists Conference (PVSC).
Metastability effects have been investigated in high efficiency MZO/CdSeTe/CdTe solar cells. Different preconditioning procedures have been studied that are used to recover the performance of the devices. J-V characteristics before preconditioning ha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1116a2b8ff8e4d61084e57ad40614e7
https://doi.org/10.1109/pvsc43889.2021.9518997
https://doi.org/10.1109/pvsc43889.2021.9518997
Autor:
Ali Abbas, Michael J. Watts, Pooja Goddard, Peter Hatton, Rachael Greenhalgh, Tom Fiducia, John M. Walls, Roger Smith
Publikováno v:
Physical Review Materials. 5
Cadmium telluride is the most commercially important second generation thin-film photovoltaic, with a record solar cell conversion efficiency of 22.1%. However as-deposited cells are 5% efficient and require a cell activation treatment with ${\mathrm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ef556f771146ef50fb4b0b2edc740b8
https://doi.org/10.1103/physrevmaterials.5.035403
https://doi.org/10.1103/physrevmaterials.5.035403
Autor:
Vladislav Kornienko, Kerrie M. Morris, John M. Walls, Ali Abbas, Jake W. Bowers, Rachael Greenhalgh
Publikováno v:
2020 47th IEEE Photovoltaic Specialists Conference (PVSC).
The efficiency of cadmium telluride solar cells has recently been increased by adding selenium as a CdSeTe alloy at the front of the device. In this paper, we report on the use of pulsed dc magnetron sputtering to deposit thin films of Cadmium Seleni
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3bd1ed32f60f5973501192c3503c8c6
https://doi.org/10.1109/pvsc45281.2020.9300694
https://doi.org/10.1109/pvsc45281.2020.9300694
Autor:
Michael Walls, Kerrie M. Morris, Jake W. Bowers, Thomas A. M. Fiducia, Yau Yau Tse, Ryan Maclachlan, Ali Abbas, Rachael Greenhalgh, Vladislav Kornienko
Publikováno v:
2020 47th IEEE Photovoltaic Specialists Conference (PVSC).
The CdCl 2 activation treatment is required for high efficiency CdTe solar cells. The treatment has many effects including increasing grain size and randomizing texture. Increasing grain size should result in higher efficiencies by minimizing grain b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee390f68d79b77f65b1266103d4239d5
https://doi.org/10.1109/pvsc45281.2020.9300881
https://doi.org/10.1109/pvsc45281.2020.9300881
Autor:
Vladislav Kornienko, John M. Walls, Christos Potamialis, Jake W. Bowers, Rachael Greenhalgh, Kerrie M. Morris
Publikováno v:
2020 47th IEEE Photovoltaic Specialists Conference (PVSC).
Cadmium selenide (CdSe) thin films deposited using chemical bath deposition and pulsed DC magnetron sputtering are compared for use in cadmium telluride/selenide (CST) photovoltaic (PV) devices. Full devices were made from the bath and sputtered film
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0d099349af5a677bc5aa862b0aa7eef
https://doi.org/10.1109/pvsc45281.2020.9300466
https://doi.org/10.1109/pvsc45281.2020.9300466
Autor:
Walajabad S. Sampath, Rachael Greenhalgh, Adam Danielson, Ali Abbas, Amit Munshi, Mustafa Togay, Thomas A. M. Fiducia, Chris R. M. Grovenor, Vladislav Kornienko, Kurt L. Barth, Jake W. Bowers, Kexue Li, John M. Walls, Vincent Tsai
Publikováno v:
2019 IEEE 46th Photovoltaic Specialists Conference (PVSC).
The treatment of CdTe with a CdBr 2 activation annealing step has been performed and the device characterized for its electrical, compositional and structural properties with Capacitance-Voltage, Current-Voltage, Transmission Electron Microscopy, Ene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bbdfd4849509a92046b2bcd4e1f094e5
https://doi.org/10.1109/pvsc40753.2019.8981153
https://doi.org/10.1109/pvsc40753.2019.8981153
Publikováno v:
Lab on a Chip
A generic approach is presented that allows high-resolution NMR spectroscopy of water/oil droplet emulsions in microfluidic devices. Microfluidic NMR spectroscopy has recently made significant advances due to the design of micro-detector systems and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87579c8ec096536d2bd231d2334eed50
https://pubmed.ncbi.nlm.nih.gov/30131995
https://pubmed.ncbi.nlm.nih.gov/30131995
Autor:
Jake W. Bowers, Rachael Greenhalgh, Walajabad S. Sampath, Kurt L. Barth, John M. Walls, Amit Munshi, Ali Abbas, Tushar M. Shimpi
Publikováno v:
2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC).
The activation of CdTe with a cadmium chloride annealing treatment is a vital step in the fabrication of high efficiency solar cells. Thin film MZO/CdTe cells have been activated using CdBr 2 instead of CdCl 2 with a lower activation process temperat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::defbac821230e3c1e2bd1ce261991d04
https://doi.org/10.1109/pvsc.2018.8547756
https://doi.org/10.1109/pvsc.2018.8547756