Imec, a partner in EnergyVille, in collaboration with the University of Cyprus, has demonstrated long-term outdoor stability of perovskite solar modules. Mini-modules of 4 cm2, developed at imec/EnergyVille, were comprehensively evaluated over two years in real-world conditions in Cyprus, with a remarkable power efficiency retention of 78 percent after one year, which current perovskite solar modules only retain for weeks. These promising findings are among the first real-world results to ...