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 the "ON" state promotes a 98.5% increase in the channel conductance.

[1]  Lei Jiang,et al.  Construction of biomimetic smart nanochannels for confined water , 2014 .

[2]  Thomas P. Russell,et al.  Nanoporous Membranes with Ultrahigh Selectivity and Flux for the Filtration of Viruses , 2006 .

[3]  S. Bezrukov,et al.  Salting out the ionic selectivity of a wide channel: the asymmetry of OmpF. , 2004, Biophysical journal.

[4]  J. Savéant,et al.  Charge transfer at partially blocked surfaces , 1983 .

[5]  M. Queralt-Martín,et al.  Increased salt concentration promotes competitive block of OmpF channel by protons. , 2012, Biochimica et biophysica acta.

[6]  Lin Li,et al.  A pH‐Gating Ionic Transport Nanodevice: Asymmetric Chemical Modification of Single Nanochannels , 2010, Advanced materials.

[7]  Xu Hou,et al.  A biomimetic asymmetric responsive single nanochannel. , 2010, Journal of the American Chemical Society.

[8]  Peidong Yang,et al.  Nanofluidic diodes based on nanotube heterojunctions. , 2009, Nano letters.

[9]  Omar Azzaroni,et al.  Responsive polymers end-tethered in solid-state nanochannels: when nanoconfinement really matters. , 2010, Journal of the American Chemical Society.

[10]  Z. Siwy,et al.  Nanofluidic Bipolar Transistors , 2008 .

[11]  Dan Feng,et al.  High-performance ionic diode membrane for salinity gradient power generation. , 2014, Journal of the American Chemical Society.

[12]  Fabien Wildhaber,et al.  Field effect modulated nanofluidic diode membrane based on Al2O3/W heterogeneous nanopore arrays , 2013 .

[13]  Wei Guo,et al.  Asymmetric ion transport through ion-channel-mimetic solid-state nanopores. , 2013, Accounts of chemical research.

[14]  Klaus-Viktor Peinemann,et al.  Selective separation of similarly sized proteins with tunable nanoporous block copolymer membranes. , 2013, ACS nano.

[15]  J. Young,et al.  Surface Effects on Cation Transport across Porous Alumina Membranes , 1999 .

[16]  V. Abetz,et al.  Asymmetric superstructure formed in a block copolymer via phase separation. , 2007, Nature materials.

[17]  Lei Jiang,et al.  Malachite Green Derivative–Functionalized Single Nanochannel: Light‐and‐pH Dual‐Driven Ionic Gating , 2012, Advanced materials.

[18]  Matsuhiko Nishizawa,et al.  Metal Nanotubule Membranes with Electrochemically Switchable Ion-Transport Selectivity , 1995, Science.

[19]  Z. Siwy,et al.  Poisson-Nernst-Planck model of ion current rectification through a nanofluidic diode. , 2007, Physical review. E, Statistical, nonlinear, and soft matter physics.

[20]  Thomas P. Russell,et al.  Controlling Orientation and Order in Block Copolymer Thin Films , 2008 .

[21]  Wen-Jie Lan,et al.  Pressure-dependent ion current rectification in conical-shaped glass nanopores. , 2011, Journal of the American Chemical Society.

[22]  Klaus-Viktor Peinemann,et al.  Switchable pH-responsive polymeric membranes prepared via block copolymer micelle assembly. , 2011, ACS nano.

[23]  C. Kranz,et al.  Achievement of Diffusional Independence at Nanoscale Liquid-Liquid Interfaces within Arrays. , 2015, Analytical chemistry.

[24]  Jin Zhai,et al.  Bioinspired Smart Gating of Nanochannels Toward Photoelectric‐Conversion Systems , 2010, Advanced materials.

[25]  Katsuhiro Shirono,et al.  Nanofluidic diode and bipolar transistor. , 2005, Nano letters.

[26]  C. Banks,et al.  The cyclic and linear sweep voltammetry of regular arrays of microdisc electrodes : Fitting of experimental data , 2005 .

[27]  Xun Wang,et al.  Biomimetic Multifunctional Nanochannels Based on the Asymmetric Wettability of Heterogeneous Nanowire Membranes , 2014, Advanced materials.

[28]  Anders Hult,et al.  Intelligent dual-responsive cellulose surfaces via surface-initiated ATRP. , 2008, Biomacromolecules.

[29]  G. Rummel,et al.  Crystal structures explain functional properties of two E. coli porins , 1992, Nature.

[30]  A. Delcour,et al.  Disulfide bond tethering of extracellular loops does not affect the closure of OmpF porin at acidic pH , 2010, Proteins.

[31]  Ting Xu,et al.  Highly Oriented and Ordered Arrays from Block Copolymers via Solvent Evaporation , 2004 .

[32]  Jin Zhai,et al.  Light‐Gating Titania/Alumina Heterogeneous Nanochannels with Regulatable Ion Rectification Characteristic , 2014 .

[33]  Andreas Bund,et al.  Ion current rectification at nanopores in glass membranes. , 2008, Langmuir : the ACS journal of surfaces and colloids.

[34]  Jin Zhai,et al.  Bio‐inspired Photoelectric Conversion Based on Smart‐Gating Nanochannels , 2010 .

[35]  Jin Zhai,et al.  Light and pH Cooperative Nanofluidic Diode Using a Spiropyran‐Functionalized Single Nanochannel , 2012, Advanced materials.

[36]  Jiaxing Huang,et al.  Nanofluidic ion transport through reconstructed layered materials. , 2012, Journal of the American Chemical Society.

[37]  A. Alcaraz,et al.  A pH-tunable nanofluidic diode: electrochemical rectification in a reconstituted single ion channel. , 2006, The journal of physical chemistry. B.

[38]  D. Arrigan.  Nanoelectrodes, nanoelectrode arrays and their applications. , 2004, The Analyst.

[39]  Zhiqun Lin,et al.  A Rapid Route to Arrays of Nanostructures in Thin Films , 2002 .

[40]  Li-Jing Cheng,et al.  Ionic current rectification, breakdown, and switching in heterogeneous oxide nanofluidic devices. , 2009, ACS nano.

[41]  P. Yang,et al.  Gated proton transport in aligned mesoporous silica films. , 2008, Nature materials.

[42]  S. Jiang,et al.  HPW/MCM‐41 Phosphotungstic Acid/Mesoporous Silica Composites as Novel Proton‐Exchange Membranes for Elevated‐Temperature Fuel Cells , 2010, Advanced materials.

[43]  Xu Hou,et al.  Bioinspired artificial single ion pump. , 2013, Journal of the American Chemical Society.

[44]  Christophe Navarro,et al.  Sub‐10 nm Features Obtained from Directed Self‐Assembly of Semicrystalline Polycarbosilane‐Based Block Copolymer Thin Films , 2015, Advanced materials.

[45]  C. Amatore,et al.  Theory of ion transport in electrochemically switchable nanoporous metallized membranes. , 2009, Chemphyschem : a European journal of chemical physics and physical chemistry.

[46]  G. Szabó,et al.  Gramicidin forms multi-state rectifying channels , 1981, Nature.

[47]  Lei Jiang,et al.  Water transport and purification in nanochannels controlled by asymmetric wettability. , 2011, Small.

[48]  Fabien Wildhaber,et al.  Facile fabrication of nanofluidic diode membranes using anodic aluminium oxide. , 2012, Nanoscale.

[49]  Micheál D. Scanlon,et al.  Electrochemical ion transfer across liquid/liquid interfaces confined within solid-state micropore arrays--simulations and experiments. , 2009, The Analyst.

[50]  Joy Y. Cheng,et al.  Three‐Dimensional Nanofabrication by Block Copolymer Self‐Assembly , 2014, Advanced materials.

[51]  Wei Guo,et al.  Bio‐Inspired Two‐Dimensional Nanofluidic Generators Based on a Layered Graphene Hydrogel Membrane , 2013, Advanced materials.

[52]  Dennis E. Discher,et al.  Polymer vesicles : Materials science: Soft surfaces , 2002 .