Nature Sunflower Stalk Pith with Zwitterionic Hydrogel Coating for Highly Efficient and Sustainable Solar Evaporation. - Su, Xin; Hao, Dezhao; Sun, Mingyue; Wei, Tingshu; Xu, Dake; Ai, Xicheng; Guo, Xinglin; Zhao, Tong; Jiang, Lei (Advanced Functional Materials, 2022)