Proton‐Radiation Tolerant All‐Perovskite Multijunction Solar Cells
Source abstract
Abstract
Abstract Radiation‐resistant but cost‐efficient, flexible, and ultralight solar sheets with high specific power (W g−1) are the “holy grail” of the new space revolution, powering private space exploration, low‐cost missions, and future habitats on Moon and Mars. Herein, this study investigates an all‐perovskite tandem photovoltaic (PV) technology that uses an ultrathin active layer (1.56 µm) but offers high power conversion efficiency, and discusses its potential for high‐specific‐power applications. This study demonstrates that all‐perovskite tandems possess a high tolerance to the harsh radiation environment in space. The tests under 68 MeV proton irradiation show negligible degradation (<6%) at a dose of 1013 p+ cm−2 where even commercially available radiation‐hardened space PV degrade >22%. Using high spatial resolution photoluminescence (PL) microscopy, it is revealed that defect clusters in GaAs are responsible for the degradation of current space‐PV. By contrast, negligible reduction in PL of the individual perovskite subcells even after the highest dose studied is observed. Studying the intensity‐dependent PL of bare low‐gap and high‐gap perovskite absorbers, it is shown that the VOC, fill factor, and efficiency potentials remain identically high after irradiation. Radiation damage of all‐perovskite tandems thus has a fundamentally different origin to traditional space PV.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Perovskite Materials and Applications · Chalcogenide Semiconductor Thin Films · Quantum Dots Synthesis And Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Cavendish Laboratory Department of Physics University of Cambridge JJ Thomson Avenue Cambridge CB3 0HE UK
Center for Chemistry and Nanoscience National Renewable Energy Laboratory 15013 Denver West Parkway Golden CO 80401 USA
Swift Solar Inc. 981 Bing St. San Carlos CA 94070 USA
Young Investigator Group Perovskite Tandem Solar Cells Helmholtz‐Zentrum Berlin für Materialien und Energie GmbH Kekuléstraße 5 12489 Berlin Germany
Helmholtz‐Zentrum Berlin für Materialien und Energie GmbH Protonen für die Therapie Hahn‐Meitner Platz 1 14109 Berlin Germany
Beuth Hochschule für Technik Berlin Fachbereich II – Mathematik – Physik – Chemie Luxemburgerstr. 10 D‐13353 Berlin Germany
Trisolx LLC Los Angeles CA 90036 USA
Department of Materials Science and Metallurgy University of Cambridge 27 Charles Babbage Road Cambridge CB3 0FS UK
Department of Industrial Engineering (DIIn) Salerno University Fisciano SA 84084 Italy
Department of Chemical Engineering and Biotechnology University of Cambridge Philippa Fawcett Drive Cambridge CB3 0AS UK
Funding
European Research Council · Engineering and Physical Sciences Research Council
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