Ultraviolet light–assisted electrokinetic conversion based on TiO₂ electrodes
Fluidic nanogenerators have attracted increasing interests in applications of distributed electronics and self-powered systems. Here, we report a novel electrokinetic conversion device composed of an anodic aluminum oxide membrane, deionized water, and titanium oxide electrodes. Under ultraviolet li...
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sg-ntu-dr.10356-1546502021-12-30T06:23:47Z Ultraviolet light–assisted electrokinetic conversion based on TiO₂ electrodes Pei, Junxian Song, Xianyin Chu, Wenbin Liu, Xiaowei Deng, Wangquan Cheng, Ting Hu, Xuejiao Yang, Peihua Liu, Kang School of Physical and Mathematical Sciences Science::Physics Streaming Potential Nanofluidics Fluidic nanogenerators have attracted increasing interests in applications of distributed electronics and self-powered systems. Here, we report a novel electrokinetic conversion device composed of an anodic aluminum oxide membrane, deionized water, and titanium oxide electrodes. Under ultraviolet light illumination, the electrokinetic device outputs stable and continuous short-circuit current without any electrode consumption or external circulation of ions. Based on the output behavior of the device at different pressures and light intensities, an interaction mechanism between the electrokinetic effects in nanochannels and ultraviolet light–induced radical recycle at the electrodes is proposed. The radical recycle process transfers charges between ions and electrons to achieve stable streaming current in electrokinetic systems, while streaming current induced positive and negative ions acumination facilities the radical recycle process. These results bring new insights into the charge transfer process in fluidic energy conversion devices and provide a new way to construct light-assisted microfluidic energy conversion systems. This work was financially supported by the National Natural Science Foundation of China (51976141) and Open Project Program of Wuhan National Laboratory for Optoelectronics (2018WNLOKF018). 2021-12-30T06:23:47Z 2021-12-30T06:23:47Z 2020 Journal Article Pei, J., Song, X., Chu, W., Liu, X., Deng, W., Cheng, T., Hu, X., Yang, P. & Liu, K. (2020). Ultraviolet light–assisted electrokinetic conversion based on TiO₂ electrodes. Materials Today Energy, 18, 100517-. https://dx.doi.org/10.1016/j.mtener.2020.100517 2468-6069 https://hdl.handle.net/10356/154650 10.1016/j.mtener.2020.100517 2-s2.0-85091909888 18 100517 en Materials Today Energy © 2020 Elsevier Ltd. All rights reserved. |
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Science::Physics Streaming Potential Nanofluidics Pei, Junxian Song, Xianyin Chu, Wenbin Liu, Xiaowei Deng, Wangquan Cheng, Ting Hu, Xuejiao Yang, Peihua Liu, Kang Ultraviolet light–assisted electrokinetic conversion based on TiO₂ electrodes |
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Fluidic nanogenerators have attracted increasing interests in applications of distributed electronics and self-powered systems. Here, we report a novel electrokinetic conversion device composed of an anodic aluminum oxide membrane, deionized water, and titanium oxide electrodes. Under ultraviolet light illumination, the electrokinetic device outputs stable and continuous short-circuit current without any electrode consumption or external circulation of ions. Based on the output behavior of the device at different pressures and light intensities, an interaction mechanism between the electrokinetic effects in nanochannels and ultraviolet light–induced radical recycle at the electrodes is proposed. The radical recycle process transfers charges between ions and electrons to achieve stable streaming current in electrokinetic systems, while streaming current induced positive and negative ions acumination facilities the radical recycle process. These results bring new insights into the charge transfer process in fluidic energy conversion devices and provide a new way to construct light-assisted microfluidic energy conversion systems. |
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School of Physical and Mathematical Sciences |
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School of Physical and Mathematical Sciences Pei, Junxian Song, Xianyin Chu, Wenbin Liu, Xiaowei Deng, Wangquan Cheng, Ting Hu, Xuejiao Yang, Peihua Liu, Kang |
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Article |
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Pei, Junxian Song, Xianyin Chu, Wenbin Liu, Xiaowei Deng, Wangquan Cheng, Ting Hu, Xuejiao Yang, Peihua Liu, Kang |
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Pei, Junxian |
title |
Ultraviolet light–assisted electrokinetic conversion based on TiO₂ electrodes |
title_short |
Ultraviolet light–assisted electrokinetic conversion based on TiO₂ electrodes |
title_full |
Ultraviolet light–assisted electrokinetic conversion based on TiO₂ electrodes |
title_fullStr |
Ultraviolet light–assisted electrokinetic conversion based on TiO₂ electrodes |
title_full_unstemmed |
Ultraviolet light–assisted electrokinetic conversion based on TiO₂ electrodes |
title_sort |
ultraviolet light–assisted electrokinetic conversion based on tio₂ electrodes |
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2021 |
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https://hdl.handle.net/10356/154650 |
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1722355305654779904 |