Výsledky vyhledávání - "Astrid Gutjahr"

Hydrogenation of p+ poly-Si by Al2O3 nanolayers prepared by atomic layer deposition

Autor: Roel J. Theeuwes, Jimmy Melskens, Wolfhard Beyer, Uwe Breuer, Astrid Gutjahr, Agnes A. Mewe, Bart Macco, Wilhelmus M. M. Kessels

Publikováno v: Journal of Applied Physics, 133(14):145301. American Institute of Physics

Polysilicon (poly-Si) passivating contacts have enabled some of the highest lab-scale crystalline silicon (c-Si) solar cell conversion efficiencies, largely due to their excellent surface passivation quality, which can be aided by means of hydrogenat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19cddcdde3a56ac298a07320b2aa5d8d
https://research.tue.nl/nl/publications/888158bd-28ca-4d05-820e-3ae219ed61ec

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Excellent passivation of ultrathin polysilicon passivating contacts using a single Al2O3 layer for hydrogenation

Autor: Fatemeh S. Hashemi, J. Anker, Astrid Gutjahr, Agnes A. Mewe

Publikováno v: 2021 IEEE 48th Photovoltaic Specialists Conference (PVSC).

We demonstrated excellent surface passivation of ultrathin n-type doped polysilicon on both textured and polished n-Cz wafers. Effective carrier lifetimes of 6 ms for textured wafers and up to 15 ms for polished wafers were obtained. This was achieve

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dbd2c91b66632b8faf92d5975585865f
https://doi.org/10.1109/pvsc43889.2021.9518506

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Highly near-infrared-transparent perovskite solar cells and their application in high-efficiency 4-terminal perovskite/c-Si tandems

Autor: Alessia Senes, Xuedong Zhou, Mehrdad Najafi, Sjoerd Veenstra, Wiljan Verhees, Mariadriana Creatore, Tom Aernouts, Astrid Gutjahr, Ronn Andriessen, Valerio Zardetto, Ingrid G. Romijn, Bart Geerligs, Maarten Dörenkämper, Dong Zhang

Publikováno v: 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018-A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC, 3575-3577
STARTPAGE=3575;ENDPAGE=3577;TITLE=2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018-A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC
IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018-A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC, 7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018, 10-15 June 2018, 3575-3577

In this contribution the development of highefficiency planar semi-transparent perovskite solar cells (STPSCs) for tandem applications is presented. The ST-PSC absorber layer, and electron and hole transport layers were processed using spin coating.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b15d1842d84fcc4bace76aa0c8539199
https://research.tue.nl/nl/publications/f04dd2c0-9f09-47af-9143-8621b5f5c3fb

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Studies of the growth and dissolution kinetics of the CaCO3 polymorphs calcite and aragonite II. The influence of divalent cation additives on the growth and dissolution rates

Autor: H. Dabringhaus, Astrid Gutjahr, R. Lacmann

Publikováno v: Journal of Crystal Growth. 158:310-315

The influence of the divalent cations Fe2+, Cu2+, Zn2+, Mg2+, Sr2+, and Ba2+ on the growth and dissolution rates of calcite and aragonite has been studied. In most cases the results can be interpreted by a reversible adsorption of the impurity ions a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b1b30516752c43921348419f972e0db6
https://doi.org/10.1016/0022-0248(95)00447-5

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Studies of the growth and dissolution kinetics of the CaCO3 polymorphs calcite and aragonite I. Growth and dissolution rates in water

Autor: H. Dabringhaus, R. Lacmann, Astrid Gutjahr

Publikováno v: Journal of Crystal Growth. 158:296-309

Growth and dissolution rates of calcite and aragonite in water were measured by the pH-stat method as functions of the super- and undersaturation from ( S − 1) = −0.6 to 3, at temperatures T = 20–70°C, and for different calcium and carbonate c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b703ca6505a958899aa770e3d56e60e4
https://doi.org/10.1016/0022-0248(95)00446-7

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New Crystalline Si Ribbon Materials for Photovoltaics

Autor: Giso Hahn, Axel Schönecker, Astrid Gutjahr

Publikováno v: Advances in Materials Research ISBN: 9783642020438

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::45b171f6ee4804821088e7aa0bb102b2
https://doi.org/10.1007/978-3-642-02044-5_7

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Near 13% Efficiency Shunt Free Solar Cells on RGS Wafers.

Autor: Antonius Burgers, Astrid Gutjahr, Leon Laas, Axel Schonecker, Sven Seren, Giso Hahn

Publikováno v: 2006 IEEE 4th World Conference on Photovoltaic Energy Conference; 2006, p1183-1186, 4p

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Combination of Advanced Optical Modelling with Electrical Simulation for Performance Evaluation of Practical 4-terminal Perovskite/c-Si Tandem Modules

Autor: Ulrich W. Paetzold, Klaas Bakker, Wiljan Verhees, Weiming Qiu, Robert Gehlhaar, Ingrid G. Romijn, Tom Aernouts, Sjoerd Veenstra, Arthur Weeber, L.J. Geerligs, Astrid Gutjahr, Dong Zhang, Maarten Dörenkämper, Wim J. J. Soppe

Publikováno v: Energy Procedia, 92

The perovskite solar cell is considered a promising candidate as the top cell for high-efficiency tandem devices with crystalline silicon (c-Si) bottom cells, contributing to the cost reduction of photovoltaic energy. In this contribution, a simulati

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