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240410s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202402779
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|a eng
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| 100 |
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|a Han, Xiao
|e verfasserin
|4 aut
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| 245 |
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|a Noncontact Microfluidics of Highly Viscous Liquids for Accurate Self-Splitting and Pipetting
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 04.07.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Accurate dosing for various liquids, especially for highly viscous liquids, is fundamental in wide-ranging from molecular crosslinking to material processing. Despite droppers or pipettes being widely used as pipetting devices, they are powerless for quantificationally splitting and dosing highly viscous liquids (>100 mPa s) like polymer liquids due to the intertwined macromolecular chains and strong cohesion energy. Here, a highly transparent photopyroelectric slippery (PS) platform is provided to achieve noncontact self-splitting for liquids with viscosity as high as 15 000 mPa s, just with the assistance of sunlight and a cooling source to provide a local temperature difference (ΔT). Moreover, to guarantee the accuracy for pipetting liquids (>80%), the ultrathin MXene film (within a thickness of 20 nm) is self-assembled as the photo-thermal layers, overcoming the trade-off between transparency and photothermal property. Compared with traditional pipetting strategies (≈1.3% accuracy for pipetting polymer liquids), this accurate microfluidic chip shows great potential in adhesive systems (bonding strength, twice than using the droppers or pipettes)
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|a Journal Article
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|a accurate self‐splitting
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|a highly viscous liquids
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|a monolayer self‐assembly
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|a noncontact microfluidics
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|a slippery surface
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|a Tan, Shengda
|e verfasserin
|4 aut
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|a Wang, Qi
|e verfasserin
|4 aut
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1 |
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|a Zuo, Xiaobiao
|e verfasserin
|4 aut
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1 |
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|a Heng, Liping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Lei
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 27 vom: 01. Juli, Seite e2402779
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:36
|g year:2024
|g number:27
|g day:01
|g month:07
|g pages:e2402779
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|u http://dx.doi.org/10.1002/adma.202402779
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