pH-Dependent Effects in Nanofluidic Memristors,The Journal of Physical Chemistry Letters

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pH-Dependent Effects in Nanofluidic Memristors
The Journal of Physical Chemistry Letters ( IF 4.8 ) Pub Date : 2024-07-24 , DOI: 10.1021/acs.jpclett.4c01610
Sergio Portillo ₁ , José A Manzanares ₁ , Patricio Ramirez ₂ , Juan Bisquert ₃ , Salvador Mafe ₁ , Javier Cervera ₁

Affiliation

Multipore membranes with nanofluidic diodes show memristive and current rectifying effects that can be controlled by the nanostructure asymmetry and ionic solution characteristics in addition to the frequency and amplitude of the electrical driving signal. Here, we show that the electrical conduction phenomena, which are modulated by the interaction between the pore surface charges and the solution mobile ions, allow for a pH-dependent neuromorphic-like potentiation of the membrane conductance by voltage pulses. Also, we demonstrate that arrangements of memristors can be employed in the design of electrochemical circuits for implementing logic functions and information processing in iontronics.

中文翻译：

纳米流体忆阻器中的 pH 依赖性效应

具有纳米流体二极管的多孔膜表现出忆阻和电流整流效应，除了电驱动信号的频率和幅度之外，这些效应还可以通过纳米结构不对称性和离子溶液特性来控制。在这里，我们表明，通过孔表面电荷和溶液移动离子之间的相互作用调节的电传导现象，允许通过电压脉冲对膜电导进行 pH 依赖性神经形态样增强。此外，我们还证明了忆阻器的排列可以用于电化学电路的设计，以实现离子电子学中的逻辑功能和信息处理。

更新日期：2024-07-24

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