Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Ratan Kotipalli"'
Autor:
Louise Samain, Denis Flandre, Ratan Kotipalli, Lionel Fourdrinier, Maria Zhukova, Olivier Poncelet
Publikováno v:
Materials Science in Semiconductor Processing, Vol. 121, no. 105367, p. 1-11 (2021)
Sequential DC magnetron sputtering and rapid thermal processing appear very promising to fabricate CZTS-based thin-film photovoltaic (PV) solar cells with regards to existent environmental and industrial issues. However, their state-of-the-art effici
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4aa195e8b28198ccf8f6a92e86a061a4
https://doi.org/10.1016/j.mssp.2020.105367
https://doi.org/10.1016/j.mssp.2020.105367
Autor:
Denis Flandre, Romain Delamare, Raja Venkata Ratan Kotipalli, Guy Beaucarne, Vincent Kaiser, Pierre Descamps
Publikováno v:
Thin Solid Films. 611:74-77
Here we demonstrate the influence of firing temperatures on the electronic properties of Atmospheric Pressure Plasma Liquid Deposition (APPLD) silicon dioxide films due to reformed material composition and its overall impact on surface passivation qu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1cb74ca22e3eeb84ad06a005d2bfd8bb
https://doi.org/10.1016/j.tsf.2016.05.016
https://doi.org/10.1016/j.tsf.2016.05.016
Autor:
Olivier Poncelet, Ratan Kotipalli, Bart Vermang, Angus Macleod, Laurent A. Francis, Denis Flandre
In order to decrease their cost and the use of rare metal elements, thin lm solar cell thicknesses are continuously reduced at the expense of their eciency, due to a lack of absorption for long wavelengths. Optimisation of cells rear re ectance (Rb)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2659::011fd26f6d810eb0d72b39021d5735c5
https://zenodo.org/record/1451671
https://zenodo.org/record/1451671
Autor:
Ratan Kotipalli, Siddhartha Garud, Bart Vermang, Maria Batuk, Marc Meuris, Joke Hadermann, Nikhil Gampa, Denis Flandre, Arno H. M. Smets, Thomas Allen, Jef Poortmans
Publikováno v:
Physica status solidi : A : applications and materials science
physica status solidi (a)
physica status solidi (a)
This work proposes gallium oxide grown by plasma-enhanced atomic layer deposition, as a surface passivation material at the CdS buffer interface of Cu(In,Ga)Se-2 (CIGS) solar cells. In preliminary experiments, a metal-insulator-semiconductor (MIS) st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bee29e3c731a2d9a3c24a2a033d09207
http://hdl.handle.net/1942/26444
http://hdl.handle.net/1942/26444
Autor:
Michaël Coulombier, Ratan Kotipalli, Laurent Francis, Olivier Poncelet, Jean-Pierre Raskin, Romain Tuyaerts, Jonathan Rasson
Publikováno v:
Materials Research Express, Vol. 5, no. 4, p. 045702 (2018)
Hemispherical photonic crystals found in species like Papilio blumei and Cicendella chinensis have inspired new applications like anti-counterfeiting devices and gas sensors. In this work, we investigate and compare four different ways to micro fabri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e7abd983ef56de56099a3073c5948a4
https://hdl.handle.net/2078.1/196589
https://hdl.handle.net/2078.1/196589
Autor:
Vikto Fjällström, Romain Delamare, Denis Flandre, Raja Venkata Ratan Kotipalli, Bart Vermang, Marika Edoff
Publikováno v:
physica status solidi (RRL) - Rapid Research Letters. 9:157-160
The benefits of gallium (Ga) grading on Cu(In,Ga)Se2 (CIGS) solar cell performance are demonstrated by comparing with ungraded CIGS cells. Using drive-level capacitance profiling (DLCP) and admittance spectroscopy (AS) analyses, we show the influence
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::861ed428b3301d3d066e911c6176bab6
https://doi.org/10.1002/pssr.201510024
https://doi.org/10.1002/pssr.201510024
Autor:
Ratan Kotipalli, Bart Vermang
This work provides a rapid overview for the current state of surface passivation layer schemes for thin film solar cells: From its fundamentals to solar cell applications, and their perspective. It provides an overview of important literature and pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2659::8be76c5abc065a1b4a60854eeee99019
https://zenodo.org/record/3349546
https://zenodo.org/record/3349546
Autor:
Raja Venkata Ratan Kotipalli, Viktor Fjällström, Marika Edoff, Fredrik Rostvall, Denis Flandre, Bart Vermang, Frédéric Henry, Jörn Timo Wätjen
Publikováno v:
Progress in Photovoltaics: Research and Applications. 22:1023-1029
Reducing absorber layer thickness below 500nm in regular Cu(In,Ga)Se-2 (CIGS) solar cells decreases cell efficiency considerably, as both short-circuit current and open-circuit voltage are reduced because of incomplete absorption and high Mo/CIGS rea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::75c67e5b5d46e31369f3ce3daa1b300a
https://doi.org/10.1002/pip.2527
https://doi.org/10.1002/pip.2527
Autor:
I. Kuzma-Filipek, Romain Delamare, Frederik Campeol, Guy Beaucarne, Pierre Descamps, Denis Flandre, Salman Syed Asad, Filip Duerinckx, Jozef Szlufcik, Raja Venkata Ratan Kotipalli, Vincent Kaiser
Publikováno v:
Energy Procedia. 55:769-776
A new process for deposition of silicon oxide films with excellent passivation properties was developed using an atmospheric pressure plasma reactor. This process consists of fast deposition at room temperature of a SiCxOyHz film followed by a rapid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80bf0199301441c5c2d6dcb648900b7b
Autor:
Guillaume Tallier, André Crahay, Sébastien R. Mouchet, Laurent Francis, Olivier Poncelet, Jonathan Rasson, Olivier Deparis, Raja Venkata Ratan Kotipalli
Publikováno v:
Bioinspirationbiomimetics. 11(3)
The unique architecture of iridescent Morpho butterfly scales is known to exhibit different optical responses to various vapours. However, the mechanism behind this phenomenon is not fully quantitatively understood. This work reports on process devel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7883005ccca184a47663868c9b6d5710
https://pubmed.ncbi.nlm.nih.gov/27159922
https://pubmed.ncbi.nlm.nih.gov/27159922