Zobrazeno 1 - 10
of 98
pro vyhledávání: '"Don L. Morel"'
Publikováno v:
2019 IEEE 46th Photovoltaic Specialists Conference (PVSC).
The effect of Cu doping in CdSe x Te 1-x (CST)/CdTe solar cells with varying amounts of Se (x) has been investigated. The Cu-based back contact was annealed at various temperatures in order to vary the amount of Cu in-diffusion. The solar cell config
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::553f27190e921a1b4f0e676ec6d4441d
https://doi.org/10.1109/pvsc40753.2019.8980648
https://doi.org/10.1109/pvsc40753.2019.8980648
Autor:
Yong-Hang Zhang, Sudhajit Misra, Vasilios Palekis, Don L. Morel, Shamara Collins, Chris Ferekides, Michael A. Scarpulla, Chih An Hsu, Imran Khan
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 effect of Indium (In) doping on CdTe thin film solar cells was investigated. CdTe thin films were deposited using the elemental vapor transport (EVT) technique under various Cd/Te gas phase ratios and In vapor concentrations. TCO/Buffer/n-CdTe/p-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8fde81aff163f85acce580d19bf4731
https://doi.org/10.1109/pvsc.2018.8548249
https://doi.org/10.1109/pvsc.2018.8548249
Autor:
V. Evani, Sudhajit Misra, Michael A. Scarpulla, Chris Ferekides, Imran Khan, Vasilios Palekis, Mark C. Lonergan, Don L. Morel, Shamara Collins
Publikováno v:
2017 IEEE 44th Photovoltaic Specialist Conference (PVSC).
The CdTe solar cell back contact interface gets activated by means of thermal annealing. Depending on the back contact (BC) material the annealing time can vary between 20 - 60 minutes. In this study fast contact anneal times - $< 90$ sees - are inve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c05bec00e793b8ccaf67a1200bb6d16
https://doi.org/10.1109/pvsc.2017.8366164
https://doi.org/10.1109/pvsc.2017.8366164
Publikováno v:
2017 IEEE 44th Photovoltaic Specialist Conference (PVSC).
In this paper we report results on Cdxex'Iei.x based solar cells, fabricated by inter-diffusing CdTe/CdSe bilayers. The effect of the CdCh heat treatment (HT) carried out at various temperatures on bilayers with different CdSe thicknesses has been in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db2def5d0e47a94983d509c8f85e0ed9
https://doi.org/10.1109/pvsc.2017.8366767
https://doi.org/10.1109/pvsc.2017.8366767
Autor:
Vasilios Palekis, Chih An Hsu, Don L. Morel, V. Evani, Chris Ferekides, Shamara Collins, Imran Khan
Publikováno v:
2017 IEEE 44th Photovoltaic Specialist Conference (PVSC).
Low temperature photoluminescence (PL) was used to study the effect of in-situ phosphorus (P) doping on polycrystalline Cadmium Telluride (CdTe) deposited by the Elemental Vapor Transport (EVT) technique. The CdTe films discussed in this paper were d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17a608a3b477e09f8536769bbb4cc18b
https://doi.org/10.1109/pvsc.2017.8366034
https://doi.org/10.1109/pvsc.2017.8366034
Autor:
Don L. Morel, Chris Ferekides, Kartikay Singh, Xianjin Feng, Vasilios Palekis, Sushma Bhavanam
Publikováno v:
Thin Solid Films. 535:202-205
ZnTe thin films have been prepared on Mo-coated stainless steel substrates by the close spaced sublimation (CSS) technique. Cu-doped ZnTe (ZnTe:Cu) films are prepared by immersing the as-deposited samples in a CuCl–H2O solution. The structural and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8651844a19aa978a77f9ed5ee26c4f68
https://doi.org/10.1016/j.tsf.2012.11.103
https://doi.org/10.1016/j.tsf.2012.11.103
Publikováno v:
2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC).
We have developed an all-solid-state two-step process(2SSS) for fabrication of Cu 2 ZnSnSe 4 (CZTS) devices. Raman spectra are used to determine and control secondary phases and formation of excess MoSe 2 at the CZTS/Mo interface due to over seleniza
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae21ab7a48c65849e3912720b05b4d30
https://doi.org/10.1109/pvsc.2016.7750032
https://doi.org/10.1109/pvsc.2016.7750032
Publikováno v:
2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC).
The defect distribution of polycrystalline Cadmium Telluride (CdTe) deposited by Close Spaced Sublimation (CSS) is investigated using Deep Level Transient Spectroscopy (DLTS). CdTe solar cells were fabricated with different post deposition processing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc3c2ed885645dcbc1a907a335f6a40f
https://doi.org/10.1109/pvsc.2016.7750023
https://doi.org/10.1109/pvsc.2016.7750023
Publikováno v:
2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC).
Phosphorus (P) doping of polycrystalline CdTe films deposited by Elemental Vapor Transport is being investigated. The structure and morphology have been studied using XRD and SEM. XRD studies indicated highly oriented CdTe films along with the presen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17d5916d517a165365e19bd6c4ca8eff
https://doi.org/10.1109/pvsc.2016.7749628
https://doi.org/10.1109/pvsc.2016.7749628
Autor:
Chris Ferekides, H.S. Ullal, Hari M. Upadhyaya, Don L. Morel, T. M. Razykov, Elias K. Stefanakos
Publikováno v:
Solar Energy. 85:1580-1608
We review the technical progress made in the past several years in the area of mono- and polycrystalline thin-film photovoltaic (PV) technologies based on Si, III–V, II–VI, and I–III–VI2 semiconductors, as well as nano-PV. PV electricity is o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a63ad57bd9deab6104a8e6149b52aa7c
https://doi.org/10.1016/j.solener.2010.12.002
https://doi.org/10.1016/j.solener.2010.12.002