Hydrophilicity gradient in covalent organic frameworks for membrane distillation

Shuang Zhao, Chenghao Jiang, JingCun Fan, Shanshan Hong, Pei Mei, Ru‐Xin Yao, Yilin Liu, Sule Zhang, Hui Li, Huaqian Zhang, Chao Sun, Zhenbin Guo, Pengpeng Shao, Yuhao Zhu, Jinwei Zhang, Linshuo Guo, Yanhang Ma, Jianqi Zhang, Xiao Feng, Fengchao Wang, HengAn Wu, Bo Wang