Light-responsive and corrosion-resistant gas valve with non-thermal effective liquid-gating positional flow control

Baiyi Chen; Rongrong Zhang; Yaqi Hou; Jian Zhang; Shiyan Chen; Yuhang Han; Xinyu Chen; Xu Hou

doi:10.1038/s41377-021-00568-9

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Light-responsive and corrosion-resistant gas valve with non-thermal effective liquid-gating positional flow control

Letter

- Light-responsive and corrosion-resistant gas valve with non-thermal effective liquid-gating positional flow control
- Light-responsive and corrosion-resistant gas valve with non-thermal effective liquid-gating positional flow control
- LSA 2021年10卷第7期页码：1155-1163
- Affiliations：
  
  1.State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
  2.Collaborative Innovation Centre of Chemistry for Energy Materials, Xiamen University, Xiamen, 361005, China
  3.Department of Physics, Research Institute for Biomimetics and Soft Matter, Fujian Provincial Key Laboratory for Soft Functional Materials Research, Jiujiang Research Institute, College of Physical Science and Technology, Xiamen University, Xiamen, 361005, China
  4.Tan Kah Kee Innovation Laboratory, Xiamen, 361102, China
- Author bio：
  
  Xu Hou (houx@xmu.edu.cn)
- Funds：
- DOI：10.1038/s41377-021-00568-9
  中图分类号：
- 纸质出版日期：2021-07-31，
  
  网络出版日期：2021-06-16，
  
  收稿日期：2020-12-18，
  
  修回日期：2021-04-21，
  
  录用日期：2021-05-27
- Accepted：
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Light-responsive and corrosion-resistant gas valve with non-thermal effective liquid-gating positional flow control[J]. LSA, 2021,10(7):1155-1163.

Chen, B. Y. et al. Light-responsive and corrosion-resistant gas valve with non-thermal effective liquid-gating positional flow control. Light: Science & Applications, 10, 1155-1163 (2021).
Light-responsive and corrosion-resistant gas valve with non-thermal effective liquid-gating positional flow control[J]. LSA, 2021,10(7):1155-1163. DOI： 10.1038/s41377-021-00568-9.

Chen, B. Y. et al. Light-responsive and corrosion-resistant gas valve with non-thermal effective liquid-gating positional flow control. Light: Science & Applications, 10, 1155-1163 (2021). DOI： 10.1038/s41377-021-00568-9.

摘要

Abstract

Safe and precise control of gas flow is one of the key factors to many physical and chemical processes

such as degassing

natural gas transportation

and gas sensor. In practical application

it is essential for the gas-involved physicochemical process to keep everything under control and safe

which significantly relies on the controllability

safety

and stability of their valves. Here we show a light-responsive and corrosion-resistant gas valve with non-thermal effective liquid-gating positional flow control under a constant pressure by incorporating dynamic gating liquid with light responsiveness of solid porous substrate. Our experimental and theoretical analysis reveal that the photoisomerization of azobenzene-based molecular photoswitches on the porous substrate enabled the gas valve to possess a light-responsive and reversible variation of substantial critical pressure of non-thermal effective gas flow switch. Moreover

the chemically inert gating liquid prevented the solid substrate from corrosion and

by combining with the high spatiotemporal resolution of light

the gas valve realizes a precisely positional open and close under a steady-state pressure. The application demonstrations in our results show the potentials of the new gas valve for bringing opportunities to many applications

such as gas-involved reaction control in microfluidics

soft actuators

and beyond.

关键词

Keywords

references

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