Pinning/sliding behaviors and underlying mechanism of water droplets  on ultra-slippery surfaces under temperature and force fields stimuli

GU Jianfeng; HUANG Jiuhui; LI Dayu; LIU Lin; ZHU Suwan; XIAO Yi

doi:10.13801/j.cnki.fhclxb.20220701.001

Volume 40 Issue 4

Apr. 2023

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Article Navigation > Acta Materiae Compositae Sinica > 2023 > 40(4): 2209-2215

GU Jianfeng, HUANG Jiuhui, LI Dayu, et al. Pinning/sliding behaviors and underlying mechanism of water droplets on ultra-slippery surfaces under temperature and force fields stimuli[J]. Acta Materiae Compositae Sinica, 2023, 40(4): 2209-2215. doi: 10.13801/j.cnki.fhclxb.20220701.001

Citation:

GU Jianfeng, HUANG Jiuhui, LI Dayu, et al. Pinning/sliding behaviors and underlying mechanism of water droplets on ultra-slippery surfaces under temperature and force fields stimuli[J]. Acta Materiae Compositae Sinica, 2023, 40(4): 2209-2215. doi: 10.13801/j.cnki.fhclxb.20220701.001

Citation:

GU Jianfeng, HUANG Jiuhui, LI Dayu, et al. Pinning/sliding behaviors and underlying mechanism of water droplets on ultra-slippery surfaces under temperature and force fields stimuli[J]. Acta Materiae Compositae Sinica, 2023, 40(4): 2209-2215. doi: 10.13801/j.cnki.fhclxb.20220701.001

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Pinning/sliding behaviors and underlying mechanism of water droplets on ultra-slippery surfaces under temperature and force fields stimuli

doi: 10.13801/j.cnki.fhclxb.20220701.001

GU Jianfeng¹,
HUANG Jiuhui²,
LI Dayu²,
LIU Lin²,
ZHU Suwan^{3
,
,},
XIAO Yi^{4
,
,}

1.
College of Electromechanical and Traffic Engineering, Nantong Vocational College of Science and Technology, Nantong 226000, China
2.
School of Instrument Science and Opto-electronic Engineering, Hefei University of Technology, Hefei 230039, China
3.
College of Engineering Science, University of Science and Technology of China, Hefei 230027, China
4.
College of Mechanical Engineering, Nantong Vocational University, Nantong 226000, China

Funds: Fundamental Research Funds for Central Universities (WK2090000035; WK2480000005); Qing Lan Project of the Jiangsu Province Higher Education Institutions of China (2019); Natural Science Foundation of the Jiangsu Higher Education Institutions of China (18KJB430022); Natural Science Foundation of Jiangsu Province (BK20191209); Excellent Scientific and Technological Innovation Team Project of Jiangsu Province (2021-52)

Received Date: 2022-04-20
Accepted Date: 2022-06-24
Rev Recd Date: 2022-06-23

Available Online: 2022-07-04

Publish Date: 2023-04-15

Abstract

Abstract

In recent years, stimuli-responsive slippery liquid-infused porous surfaces (SLIPSs) have attracted widespread attention in the field of microfluidic manipulation. However, most reported responsive SLIPSs function under a single stimulus, which are challenging to satisfy the generalized application scenarios. Here, a kind of dual-responsive slippery surface (DRSS) is fabricated through femtosecond laser cross-scanning method. Relying on the synergic action of temperature and force field, the sliding/pinning behaviors of water droplets on DRSS can be dynamically controlled. The impact of diverse parameters on the critical sliding volume of droplets is systematically investigated, including lubricant infusion amount, groove depth and spacing. The dynamic mechanism of droplet sliding/pinning behaviors is revealed. This kind of DRSS could be used in the related fields such as lab-on-a-chip and microfluidic reactors.
- femtosecond laser,
- stimuli-response,
- ultra-lubricated surface,
- droplet manipulation,
- microfluidics
Long Abstrsct
Innovation Points

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References(26)

References

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