Journal ArticleDOI
New world record efficiency for Cu(In,Ga)Se2 thin‐film solar cells beyond 20%
Philip Jackson,Dimitrios Hariskos,Erwin Lotter,Stefan Paetel,Roland Wuerz,Richard Menner,Wiltraud Wischmann,Michael Powalla +7 more
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TLDR
In this article, the authors presented a new certified world record efficiency of 20.1 and 20.3% for thin-film solar cells for the first time and analyzed the characteristics of solar cells on such a performance level and demonstrate a high degree of reproducibility.Abstract:
In this contribution, we present a new certified world record efficiency of 20.1 and 20.3% for Cu(In,Ga)Se2 thin-film solar cells. We analyse the characteristics of solar cells on such a performance level and demonstrate a high degree of reproducibility. Copyright © 2011 John Wiley & Sons, Ltd.read more
Citations
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Journal ArticleDOI
Device Characteristics of CZTSSe Thin‐Film Solar Cells with 12.6% Efficiency
Journal ArticleDOI
Effects of heavy alkali elements in Cu(In,Ga)Se2 solar cells with efficiencies up to 22.6%
TL;DR: In this article, the effect of different alkali elements in the post deposition treatment of CIGS solar cells was investigated and a diode analysis revealed an improved diode quality for cells treated-ed with heavier alkalis.
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Solar Cell Efficiency Tables (Version 39)
Journal ArticleDOI
Potassium-induced surface modification of Cu(In,Ga)Se2 thin films for high-efficiency solar cells
Adrian Chirila,Patrick Reinhard,Fabian Pianezzi,P. Bloesch,Alexander R. Uhl,C.M. Fella,Lukas Kranz,Debora Keller,Christina Gretener,Harald Hagendorfer,Dominik Jaeger,Rolf Erni,Shiro Nishiwaki,Stephan Buecheler,Ayodhya N. Tiwari +14 more
TL;DR: A new sequential post-deposition treatment of the CIGS layer with sodium and potassium fluoride is presented that enables fabrication of flexible photovoltaic devices with a remarkable conversion efficiency due to modified interface properties and mitigation of optical losses in the CdS buffer layer.
Journal ArticleDOI
Low-temperature processed electron collection layers of graphene/TiO2 nanocomposites in thin film perovskite solar cells.
Jacob Tse-Wei Wang,James M. Ball,Eva M. Barea,Antonio Abate,Jack A. Alexander-Webber,Jian Huang,Michael Saliba,Iván Mora-Seró,Juan Bisquert,Henry J. Snaith,Robin J. Nicholas +10 more
TL;DR: A low-cost, solution-based deposition procedure utilizing nanocomposites of graphene and TiO2 nanoparticles as the electron collection layers in meso-superstructured perovskite solar cells shows the potential to contribute significantly toward the development of low- cost solar cells.
References
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Journal ArticleDOI
19·9%‐efficient ZnO/CdS/CuInGaSe2 solar cell with 81·2% fill factor
Ingrid Repins,Miguel A. Contreras,Brian Egaas,Clay DeHart,John Scharf,Craig L. Perkins,Bobby To,Rommel Noufi +7 more
TL;DR: In this paper, the authors reported a new record total area efficiency of 19·9% for thin-film solar cells using three-stage co-evaporation with a modified surface termination.
Journal ArticleDOI
High quality baseline for high efficiency, Cu(In1- x,Gax)Se2 solar cells
Philip Jackson,Roland Würz,Uwe Rau,Julian Mattheis,Matthias Kurth,Thomas Schlötzer,G. Bilger,Jürgen H. Werner +7 more
TL;DR: In this paper, the authors report on the progress that they have made in the quality of their baseline process for the production of high efficiency soda lime glass/Mo/Cu(In,Ga)Se2 (CIGS)/CdS/i-ZnO/ZnOs:Al/MgF2 solar cells.
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Grain boundaries in Cu(In, Ga)(Se, S) 2 thin-film solar cells
TL;DR: In this paper, the current status of the research on grain boundaries in polycrystalline Cu(In, Ga)(S, Se)2 alloys used as absorber materials for thin-film solar cells is reviewed.
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The influence of Na on metastable defect kinetics in CIGS materials
TL;DR: In this paper, the electronic properties of matched pairs of CIGS solar cells, with and without normal sodium levels, were studied by junction capacitance methods including admittance spectroscopy, drive level capacitance profiling (DLCP), and transient photocapacitance spectrograph (TPC).
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Surface Cu depletion of Cu(In,Ga)Se2 films: An investigation by hard X-ray photoelectron spectroscopy
Harry Mönig,Harry Mönig,Ch.-H. Fischer,Ch.-H. Fischer,Raquel Caballero,Christian A. Kaufmann,N. Allsop,Mihaela Gorgoi,Reiner Klenk,H.-W. Schock,Sebastian Lehmann,Martha Christina Lux-Steiner,Martha Christina Lux-Steiner,Iver Lauermann +13 more
TL;DR: In this paper, depth-dependent compositional analysis by hard X-ray photoelectron spectroscopy was performed to shed light on the composition and thickness of this Cu-depleted surface layer.