Zobrazeno 1 - 10
of 400
pro vyhledávání: '"RAMÍREZ, OMAR"'
Autor:
Ramírez, Omar, Nishinaga, Jiro, Dingwell, Felix, Wang, Taowen, Prot, Aubin, Wolter, Max Hilaire, Ranjan, Vibha, Siebentritt, Susanne
The detrimental effect of tail states on the radiative and non-radiative voltage loss has been demonstrated to be a limiting factor for the open circuit voltage in Cu(In,Ga)Se2 solar cells. A strategy that has proven effective in reducing tail states
Externí odkaz:
http://arxiv.org/abs/2212.01603
Autor:
Ramírez, Omar, Lanzoni, Evandro Martin, Poeira, Ricardo G., Weiss, Thomas P., Leturcq, Renaud, Redinger, Alex, Siebentritt, Susanne
Doping in the chalcopyrite Cu(In,Ga)Se2 is determined by intrinsic point defects. In the ternary CuInSe2, both N-type and P-type conductivity can be obtained depending on the growth conditions and stoichiometry: N-type is obtained when grown Cu-poor,
Externí odkaz:
http://arxiv.org/abs/2204.12973
Autor:
Weiss, Thomas Paul, Ramírez, Omar, Paetel, Stefan, Witte, Wolfram, Nishinaga, Jiro, Feurer, Thomas, Siebentritt, Susanne
Cu(In,Ga)Se2 based solar cells exceed power conversion efficiencies of 23 %. Yet, the fill factor of these solar cells, with best values around 80 %, is relatively low (Si reaches 84.9%) mostly due to diode factors greater than one. Recently, we prop
Externí odkaz:
http://arxiv.org/abs/2205.00826
People park their vehicle depending on interior and exterior contexts. They do it naturally, even unconsciously. For instance, with a baby seat on the rear, the driver might leave more space on one side to be able to get the baby out easily; or when
Externí odkaz:
http://arxiv.org/abs/2107.07851
Autor:
Aguilar-Torres, Daniel, Jiménez-Ramírez, Omar, Camacho-Martínez, José Luis, Vázquez-Medina, Rubén
Publikováno v:
In WFUMB Ultrasound Open June 2024 2(1)
Autor:
Lanzoni, Evandro Martin, Gallet, Thibaut, Spindler, Conrad, Ramirez, Omar, Boumenou, Christian Kameni, Siebentritt, Susanne, Redinger, Alex
An in-depth understanding of the electronic properties of grain boundaries (GB) in polycrystalline semiconductor absorbers is of high importance since their charge carrier recombination rates may be very high and hence limit the solar cell device per
Externí odkaz:
http://arxiv.org/abs/2104.02977
Akademický článek
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Akademický článek
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Publikováno v:
In Urban Climate November 2023 52
Autor:
González-Garrido, Antonia1 (AUTHOR) antonia.gonzalez-garrido@cuanschutz.edu, López-Ramírez, Omar2 (AUTHOR) omar.lpz.r@gmail.com, Cerda-Mireles, Abel1 (AUTHOR) mireles.abel26@gmail.com, Navarrete-Miranda, Thania1 (AUTHOR) thania.navarrete.04bp@gmail.com, Flores-Arenas, Aranza Iztanami1 (AUTHOR) 315179789@cuautitlan.unam.mx, Rojo-Domínguez, Arturo3 (AUTHOR) arojo@correo.cua.uam.mx, Arregui, Leticia3 (AUTHOR) arregui.leticia@gmail.com, Iturralde, Pedro4 (AUTHOR) pedroi@yahoo.com, Antúnez-Argüelles, Erika5 (AUTHOR) eantunezarguelles@gmail.com, Domínguez-Pérez, Mayra6 (AUTHOR) mdominguez@inmegen.gob.mx, Jacobo-Albavera, Leonor6 (AUTHOR) ljacobo@inmegen.gob.mx, Carnevale, Alessandra1 (AUTHOR) acarnevale@inmegen.gob.mx, Villarreal-Molina, Teresa6 (AUTHOR) mvillareal@inmegen.gob.mx
Publikováno v:
International Journal of Molecular Sciences. Jan2024, Vol. 25 Issue 2, p953. 15p.