2D heterogeneous membrane

Chemically gated ion selectivity

Smart separation membrane with chemically tunable divalent/monovalent ion permeability ratio.

Gang, Yuan · Fang, Junjie · Ma, Jiaojiao · Zhou, Wanqi · Jiang, Yu · Yang, Chongyang · Zhou, Zhihua · Hu, Rong · Novoselov, Konstantin Sergeevich · Qiu, Hu · Hu, Sheng

Science Bulletin 2025

Advantages

Mono-/bi-valent ion permeability ratio up to >10^4

Bi-valent cation permeability tunable

Monovalent cation flow unaffected