Výsledky vyhledávání - "Fredrik Rostvall"

Recovery After Potential-Induced Degradation of CuIn$_{{\bf 1}-{\bm x}}$ Ga$_{\bm x}$Se $_{\bf 2}$ Solar Cells With CdS and Zn(O,S) Buffer Layers

Autor: Fredrik Rostvall, Marika Edoff, Uwe Zimmermann, Bart Vermang, Piotr Szaniawski, Pedro M. P. Salomé, Viktor Fjällström

Publikováno v: IEEE Journal of Photovoltaics. 5:664-669

This study deals with potential-induced degradation (PID) of Cu(In,Ga)Se2-based solar cells and different approaches to subsequent recovery of efficiency. Three different recovery methods were studied: 1) etch recovery, 2) accelerated recovery, and 3

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e46d3c3072ccdf9fd633d449b4d1f998
https://doi.org/10.1109/jphotov.2014.2384839

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Employing Si solar cell technology to increase efficiency of ultra‐thin Cu(In,Ga)Se 2 solar cells

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

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Highly reflective rear surface passivation design for ultra-thin Cu(In,Ga) Se-2 solar cells

Autor: Jörn Timo Wätjen, Marika Edoff, Raja Venkata Ratan Kotipalli, Viktor Fjällström, Ulf Helmersson, Iris Pilch, Rickard Gunnarsson, Fredrik Rostvall, Denis Flandre, Bart Vermang, Frédéric Henry

Al2O3 rear surface passivated ultra-thin Cu(In,Ga)Se-2 (CIGS) solar cells with Mo nano-particles (NPs) as local rear contacts are developed to demonstrate their potential to improve optical confinement in ultra-thin CIGS solar cells. The CIGS absorbe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19d0b3997cc9efb01e0fc5246a2de056
http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-117642

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Highly reflective rear surface passivation design for ultra-thin Cu(In,Ga) Se2 solar cells

Autor: Bart Vermang, Jörn Timo Wätjen, Viktor Fjällström, Fredrik Rostvall, Marika Edoff, Rickar Gunnarsson, Iris Pilch, Ulf Helmersson, Ratan Kotipalli, Frederic Henry, Denis Flandre

Al2O3 rear surface passivated ultra-thin Cu(In,Ga)Se2 (CIGS) solar cellswithMo nano-particles (NPs) as local rear contacts are developed to demonstrate their potential to improve optical confinement in ultra-thin CIGS solar cells. The CIGS absorber l

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2659::d8265ae039e9d0e5772dd1df78f4b7fd
https://zenodo.org/record/2530780

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Potential-induced optimization of ultra-thin rear surface passivated CIGS solar cells

Autor: Bart Vermang, Fredrik Rostvall, Viktor Fjällström, and Marika Edoff

Ultra‐thin Cu(In,Ga)Se2(CIGS) solar cells with an Al2O3rear surface passivation layer between the rear contact and absorber layer frequently show a “roll‐over” effect in theJ–Vcurve, lowering the open circuit voltage (VOC), short circuit cu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2659::e8f8a6fe6430def8d6fc37f5af8a6774
https://zenodo.org/record/2530812

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Introduction of Si PERC Rear Contacting Design to Boost Efficiency of Cu(In,Ga)Se2 Solar Cells

Autor: Bart Vermang, Jorn Timo Watjen, Christopher Frisk, Viktor Fjallstrom, Fredrik Rostvall, Marika Edoff, Pedro Salome, Jerome Borme, Nicoleta Nicoara, and Sascha Sadewasser

Recently, Cu(In,Ga)Se2(CIGS) solar cells have achieved 21% world-record efficiency, partly due to the introduction of a postdeposition potassium treatment to improve the front interface of CIGS absorber layers. However, as high-efficiency CIGS solar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2659::d55fd8f743f3d659763c069b8c671d63
https://zenodo.org/record/2530800

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Employing Si solar cell technology to increase efficiency of ultra-thin Cu(In,Ga)Se

Autor: Bart, Vermang, Jörn Timo, Wätjen, Viktor, Fjällström, Fredrik, Rostvall, Marika, Edoff, Ratan, Kotipalli, Frederic, Henry, Denis, Flandre

Publikováno v: Progress in Photovoltaics

Reducing absorber layer thickness below 500 nm in regular Cu(In,Ga)Se2 (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=pmid________::1da04682b45b50f1ffb9d8148f65a81d
https://pubmed.ncbi.nlm.nih.gov/26300619

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Potential-induced optimization of ultra-thin rear surface passivated CIGS solar cells

Autor: Marika Edoff, Bart Vermang, Fredrik Rostvall, Viktor Fjällström

Ultra-thin Cu(In,Ga)Se-2 (CIGS) solar cells with an Al2O3 rear surface passivation layer between the rear contact and absorber layer frequently show a roll-over effect in the J-V curve, lowering the open circuit voltage (V-OC), short circuit current

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3595a356180689427a4c8a5ef648b624
http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-235500

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