DataVXAdvanced Functional MaterialsPaper
journal article·2022-10

Charge Extraction in Flexible Perovskite Solar Cell Architectures for Indoor Applications – with up to 31% Efficiency

Cristina Teixeira, Pierpaolo Spinelli, Luigi Angelo Castriotta, David Müller, Senol Öz, Luísa Andrade, Adélio Mendes, Aldo Di Carlo, Uli Würfel, Konrad Wojciechowski, Dávid Forgács

Advanced Functional Materials· Volume 32· Issue 40
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Source abstract

Abstract

Abstract Perovskite Solar Cells (PSCs) are well known for their high efficiencies under 1 sun (AM1.5G), however, PSC can also generate power by harvesting the low‐light available indoors. Here, three flexible PSC architectures are presented for indoor applications: with a metal electrode aiming for high efficiency; carbon electrode aiming for high stability and compatibility with large‐scale production; and hole transport material (HTM)‐free carbon for simplifying the fabrication process. A maximum efficiency of 30.9% (30.0%) under 1000 lux (200 lux) is obtained for a PSC with gold electrode. A maximum efficiency of 25.4% (24.7%) and 23.1% (22.3%) is obtained for the carbon devices with and without HTM, respectively, under 1000 lux (200 lux). To the best of the author's knowledge, the efficiency values presented here for a device with a carbon‐based electrode, with and without HTM, are the record values for a flexible PSC at indoor light conditions. Furthermore, the HTM‐free carbon device kept 84% of its initial efficiency after 1000 h at MPPT and lost virtually no performance after 1000 h at 85 °C. Also, non‐encapsulated devices of all configurations withstood 1600 h in air with a maximum loss in efficiency of 6%.
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Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · Conducting polymers and applications · Advanced battery technologies research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Saule TechnologiesWroclaw Technology Park 11 Dúnska Str., Sigma building PL 54–427 Wroclaw Poland

LEPABE – Laboratory for Process Engineering, Environment Biotechnology and Energy, Faculty of Engineering University of Porto Rua Dr. Roberto Frias PT 4200–465 Porto Portugal

ALiCE – Associate Laboratory in Chemical Engineering, Faculty of Engineering University of Porto Rua Dr. Roberto Frias 4200–465 Porto Portugal

Saule Research Institute Wroclaw Technology Park 11 Dúnska Str., Sigma building PL 54–427 Wroclaw Poland

CHOSE, Centre for Hybrid and Organic Solar Energy, Department of Electronics Engineering University of Rome “Tor Vergata” Via del Politecnico 1 IT 00177 Roma Italy

Freiburg Materials Research Center FMF University of Freiburg Stefan‐Meier‐Str. 21 79104 Freiburg Germany

Fraunhofer Institute for Solar Energy Systems ISE Heidenhofstr. 2 79110 Freiburg Germany

Solaveni GmbH Luxemburgerstr. 90 50939 Köln Germany

Istituto di Struttura della Materia (ISM‐CNR) Via del Fosso del Cavaliere 100 00133 Rome Italy

Cluster of Excellence livMatS University of Freiburg Georges‐Köhler‐Allee 105 79110 Freiburg Germany

Funding

Narodowe Centrum Nauki · Deutsche Forschungsgemeinschaft · Federación Española de Enfermedades Raras

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