International Journal Publication
Round-Robin Interlaboratory Comparison of Large-Area Organic Thin-Film and Perovskite Solar Cells
Author affiliations and roles
- 1Photovoltaic Efficiency Verification Laboratory (PVEVL), National Central University, Taiwan
- 2Department of Chemistry, National Central University, Taiwan
- 3Ways Technical Corp. Ltd., Taoyuan, Taiwan
- 4Department of Chemistry, Center for Emerging Materials and Advanced Devices, National Taiwan University, Taipei, Taiwan
- 5Department of Materials Engineering, Ming Chi University of Technology, New Taipei City, Taiwan
- 6Organic Electronics Research Center, Ming Chi University of Technology, New Taipei City, Taiwan
- 7Department of Chemical and Materials Engineering, College of Engineering, Chang Gung University, Taoyuan, Taiwan
- 8Center for Sustainability and Energy Technologies, Chang Gung University, Taoyuan, Taiwan
- 9Institute of Chemistry, Academia Sinica, Taipei, Taiwan
- 10Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu, Taiwan
- 11Department of Physics and Institute of Nanoscience, National Chung Hsing University, Taichung, Taiwan
- 12Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Sumatera Utara, Medan, Indonesia
- 13Department of Chemistry, National Taiwan Normal University, Taipei, Taiwan
- 14Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
- 15Institute of Electro-Optical Engineering, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
- 16Department of Chemical Engineering, Institute of Polymer Science and Engineering and Advanced Research Center for Green Materials Science and Technology, National Taiwan University, Taipei, Taiwan
- 17Center for Condensed Matter Sciences, National Taiwan University, Taipei, Taiwan
- 18Research Center for Applied Sciences, Academia Sinica, Taipei, Taiwan
- 19Department of Physics, National Taiwan University, Taipei, Taiwan
- 20Department of Photonics and Program on Key Materials, Academy of Innovative Semiconductor and Sustainable Manufacturing, National Cheng Kung University, Tainan, Taiwan
- 21Department of Chemical Engineering, National Taiwan University, Taipei, Taiwan
- 22College of Environment and Resources, Ming Chi University of Technology, Taoyuan, Taiwan
Solar RRL, e202500538 (2025).
Research topic: Perovskite Solar Cells
Abstract
Organic-thin film and perovskite solar cells are extremely promising because of their rapid progress in photovoltaic conversion efficiency (PCE). Beyond developing new materials and fabrication techniques, accurate performance characterization is essential for research and application. This study reports a round-robin interlaboratory comparison of current density-voltage (J-V) characteristics under standard test conditions (STC) and external quantum efficiency (EQE) spectra for large-area (>1 cm(2)) organic thin-film, perovskite, as well as reference solar cells with distinct spectral responses. Among 20 participating laboratories, the relative deviation in PCE of the samples reaches an unprecedented 111%. A comprehensive analysis identifies critical obstacles to measurement accuracy, including total incident irradiance for the samples, EQE spectrum measurements for spectral mismatch factors (SMM), temperature control, and methodologies for obtaining the J-V curves. Based on these findings, corresponding recommendations are presented to enhance the accuracy of performance characterization for emerging solar cells.
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