2D/2D Cs0.32WO3/CuS Nano‐Heterojunctions for Simultaneous High‐Efficiency Solar Desalination, Photocatalytic Decontamination, and Electricity Generation

), which can power small appliances durably and stably, exceeding previously reported similar devices. This 2D/2D heterojunction-based solar evaporation system will provide a more reliable solution for efficient and sustainable freshwater-electricity co-generation in resource-limited areas.