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Solliance partners contributions to 48th IEEE PVSC

Solliance academic partners and institute partners make appearance at PVSC

Solliance partners contributions to 48th IEEE PVSC

Numerous researchers, affiliated with UHasselt, imec, TNO and Solliance, will present their latest results at the 48th IEEE Photovoltaic Specialists Conference (PVSC 48), June 20-25, 2021. Here is an list of speakers that will have oral presentations during the conference.

Gizem Birant is working on rear surface passivation of ultra-thin (500nm) CIGS solar cells. In this study, she created nano-sized openings in Al2O3 dielectric layers, up to 30 nm thick, with a fast, repeatable, and industrially viable approach. If you want to learn the details of this novel approach, and how this approach applied to the solar cells and its effects on conversion efficiencies, you can join her talk titled: “Creating nano-sized contact openings in the thick dielectric-based passivation layers for ultrathin CIGS solar cells: A cost and time-effective approach.”

This talk and work are part of the European Union’s H2020 research and innovation program under grant agreement No. 715027. This project focuses on the development of a novel architecture for ultra-thin CIGS solar cells by passivating the rear and front surfaces.

Dilara Gokcen Buldu is working on front surface passivation for CIGS solar cells. Using the Al2O3/CIGS front interface as an example, she showed that it is possible to apply any oxide with desirable interface properties and protect it from adverse conditions that would normally damage it during further processing, by using a multi-stack design. In her talk: “A multi-stack Al2O3/HfO2 design with contact openings for front surface of Cu(In,Ga)Se2 solar cells” she will present her findings on the use of a thin HfO2 capping layer to protect Al2O3 during the final steps of solar cell production and show how this approach can be used as an advantage to create contact openings.

This talk and work are part of the European Union’s H2020 research and innovation program under grant agreement No. 715027. This project focuses on the development of a novel architecture for ultra-thin CIGS solar cells by passivating the rear and front surfaces.

Thierry Kohl is working on the development and characterization of CIGS solar cells. In his most recent work he has focussed on the development of a novel characterization methodology for capacitive measurements of solar cells. His research shows how this methodology can be used to investigate a wide variety of post deposition and passivation treatments applied to the solar cells. In his talk “Bias dependent admittance spectroscopy: the impact of sodium supply on the Cu(In,Ga)Se2 growth” he will show what impact the supply of sodium during the absorber growth has on the finished thin-film solar cell.

From left to right: Gizem Birant, Dilara Gokcen Buldu and Thierry Kohl

Contributions of Solliance partners to 48th IEEE Photovoltaic Specialists Conference

24 June 2021 – 4:16 PM – 6:15 PM  Eastern Time (UTC-4)

Live Event Area 2: 2D: Passivation Extended Defects and interface layers

Best Student Presentation Award Finalist – Creating nano-sized contact openings in the thick dielectric-based passivation layers for ultrathin CIGS solar cells: A cost and time-effective approach.
Gizem Birant1, 2, 3, Iryna Kandybka1, 2, 3, 4, Jessica de Wild1, 2, 3, Dilara Gokcen Buldu1, 2, 3, Thierry Kohl1, 2, 3, Bart Ruttens5, Ragha Thiruvallur Eachambadi6, Guy Brammertz1, 2, 3, Jan D5, Jean Manca 6, Marc Meuris1, 2, 3, Jef Poortmans1, 2, 3, 7, 8, Bart Vermang1, 2, 31Institute for Material Research (IMO), Hasselt University (partner in Solliance), Hasselt, Belgium.2imec division IMOMEC (partner in Solliance), Diepenbeek, Belgium.3EnergyVille, Genk, Belgium.4Ecole Centrale de Lyon, Lyon, France.5Associated Laboratory imomec, Imec, Diepenbeek, Belgium.6UHasselt – X-LAB, Diepenbeek, Belgium.7imec (partner in Solliance), Leuven, Belgium.8Department of Electrical Engineering, KU Leuven, Leuven, Belgium
A multi-stack Al2O3/HfO2 design with contact openings for front surface of Cu(In, Ga)Se2 solar cells
Dilara Gokcen Buldu1, 2, 3, Jessica de Wildi1, 2, 3, Thierry Kohl1, 2, 3, Gizem Birant1, 2, 3, Guy Brammertz1, 2, 3, Marc Meuris1, 2, 3, Jef Poortmans1, 2, 3, 4, 5, Bart Vermang1, 2, 31Institute for Material Research (IMO), Hasselt University (partner in Solliance), Diepenbeek, Belgium.2Imec division IMOMEC(partner in Solliance), Diepenbeek, Belgium.3Energyville, Genk, Belgium.4imec (partner in Solliance), Leuven, Belgium.5Department of Electrical Engineering, KU Leuven, Heverlee, Belgium

25 June 2021 – 9:00-11:00 AM Eastern Time (UTC-4)

Live event  Area 2: 2C: Electro-optical characterisation

Bias dependent admittance spectroscopy: the impact of sodium supply on the Cu(In, Ga)Se2 growth.
Thierry Kohl1, 2, 3, Jessica de Wild1, 2, 3, Guy Brammertz1, 2, 3, Dilara Gokcen Buldu1, 2, 3, Gizem Birant1, 2, 3, Maarten van der Vleuten4, 5, Marcel Simor4, 5, Ragha Thiruvallur Eachanbadi6, Jean Manca6, Marc Meuris1, 2, 3, Jef Poortmans1, 2, 3, 7, 8, Bart Vermang1, 2, 31Institute for Material Research (IMO), Diepenbeek, Belgium.2Imec division IMOMEC (partner in Solliance), Diepenbeek, Belgium.3EnergyVille, Genk, Belgium.4TNO (partner in Solliance), Eindhoven, Netherlands.5Solliance Solar Research, Eindhoven, Netherlands.6UHasselt – X-LAB, Diepenbeek, Belgium.7imec (partner in Solliance), Leuven, Belgium.8Department of Electrical Engineering, KU Leuven, Heverlee, Belgium

Live event – Joint Area Session: 3C: Hybrid Tandems (JOINT 2.5/3.3/4.3/6.8)

Experimental Investigation of 2-Terminal Voltage-Matched Perovskite/Crystalline Silicon Tandem Modules.
L.J. Geerligs1, Petra Manshanden1, Eelko Hoek1, Lars Okel1, Ilker Dogan2, Lukas Simurka2, Henri Fledderus2, Valerio Zardetto2, Dong Zhang2, Mehrdad Najafi2, Andrea Bracesco3, Mariadriana Creatore3, Gianluca Coletti1, Sjoerd Veenstra21TNO Energy Transition, Petten, Netherlands.2TNO Energy Transition, partner in Solliance, Eindhoven, Netherlands.3Eindhoven University of Technology, Eindhoven, Netherlands
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