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Updated: May 23, 2026
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Published on: December 7, 2017
Light and pH cooperative nanofluidic diode using a spiropyran-functionalized single nanochannel
Minghui Zhang1, Xu Hou, Jingtao Wang
1Key Laboratory of Bio-Inspired Smart Interfacial, Science and Technology of the Ministry of Education, School of Chemistry and the Environment, Beihang University, Beijing, P. R. of China. zhaijin@buaa.edu.cn
Abstract:
An artificial nanofluidic diode system is prepared, mimicking the light-gated and pH-tunable ion channels that play an important role in life sciences. When UV light is off, the nanochannel is in the closed state, analogous to a resistance. Under UV light irradiation and at pH 7, the current flows from the tip to the base, analogous to a diode; at pH 3, the situation (and the diode) is reversed.
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