A Bioinspired Multifunctional Heterogeneous Membrane with Ultrahigh Ionic Rectification and Highly Efficient Selective Ionic Gating

A Bioinspired Multifunctional Heterogeneous Membrane with Ultrahigh Ionic Rectification and Highly Efficient Selective Ionic Gating

A bioinspired multifunctional heterogeneous membrane composed of a block copolymer (PS‐b‐P4VP) membrane and a porous anodic alumina membrane is fabricated. The ionic rectification is so strong that the maximum ratio is ≈489, and the chemical actuation of the anion or cation gate from the “OFF” to th...

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Veröffentlicht in:Advanced materials (Weinheim) 2016-01, Vol.28 (1), p.144-150
Hauptverfasser: Zhang, Zhen, Kong, Xiang-Yu, Xiao, Kai, Xie, Ganhua, Liu, Qian, Tian, Ye, Zhang, Huacheng, Ma, Jie, Wen, Liping, Jiang, Lei
Format: Artikel
Sprache:eng
Schlagworte:
Actuation
Aluminum oxide
Aluminum Oxide - chemistry
Anodic
Biomimetics
Block copolymers
Channels
Conductance
Electrodes
Gating and risering
heterogeneous membranes
ionic rectification
Membranes
Membranes, Artificial
Models, Molecular
Molecular Conformation
multifunctionality
Polystyrenes - chemistry
Polyvinyls - chemistry
Porins - metabolism
Porosity
Pyridines - chemistry
Rectification
selective ionic gating
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Zusammenfassung:A bioinspired multifunctional heterogeneous membrane composed of a block copolymer (PS‐b‐P4VP) membrane and a porous anodic alumina membrane is fabricated. The ionic rectification is so strong that the maximum ratio is ≈489, and the chemical actuation of the anion or cation gate from the “OFF” to the “ON” state promotes a 98.5% increase in the channel conductance.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201503668