Niklaus, LukasLukasNiklausFerreira, Rúben R.Rúben R.FerreiraMacher, SvenSvenMacherStopin, AntoineAntoineStopinSchott, MarcoMarcoSchottMaggini, LauraLauraMagginiBonifazi, DavideDavideBonifazi2025-06-062025-06-062025https://publica.fraunhofer.de/handle/publica/48837210.1039/d4cc06804a2-s2.0-8600062626440062675This study presents a grey-to-colourless hybrid electrochromic device combining a novel red-to-colourless polymer with blue-to-colourless Prussian blue. The device achieves a neutral tint in both the dark and bleached states, with notable changes in visible light transmittance and fast response.entrueCombining broadband absorbing electrochromic materials for hybrid grey-to-colourless flexible devicesjournal article