1M for ISOS 15 International Summit on Organic and Hybrid Photovoltaics Stability Reproducibility September 20, 2024September 18, 2024 by Steven Xiao ISOS15 1M Indoor IoT OPV 2024 acceptor Examples ISOS15 1M Indoor IoT OPV 2024 Donor Examples https://www.helmholtz-berlin.de/events/isos-15/sponsors_en.html