Quasi-vertically asymmetric channels of graphene oxide membrane for ultrafast ion sieving

C Changdao Han J Jie Jiang L Liuhua Mu W Wenhui Zhao J Junfan Liu J Jian Lan (State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemistry) S Shouyuan Hu H Huan Yang S Shan Gao F Feng Zhou J Junlang Chen Y Yan Fan X Xiangmei Duan P Pei Li (Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong 999077, P. R. China) L Liang Chen