Fig. 4: Water collection and stable cycling performance of SHPF.
From: Scalable super hygroscopic polymer films for sustainable moisture harvesting in arid environments
a Design scheme and b a photograph of the water collection device. Inset: photographs of condensed water droplets (top) and zoom-in sample (bottom). Scale bar: 1 cm. c Water uptake and collected water at different relative humidity. d Cycling performance of SHPF at 15% and 30% RH.
