'Rewritable' and 'liquid-specific' recognizable wettability pattern

Manideepa Dhar

doi:10.1038/s41467-024-49807-8

2024-07-11

DOI：10.1038/s41467-024-49807-8

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摘要

En 中文

Bio-inspired surfaces with wettability patterns display a unique ability for liquid manipulations. Sacrificing anti-wetting property for confining liquids irrespective of their surface tension (gamma(LV)), remains a widely accepted basis for developing wettability patterns. In contrast, we introduce a 'liquid-specific' wettability pattern through selectively sacrificing the slippery property against only low gamma(LV) (<30 mN m(-1)) liquids. This design includes a chemically reactive crystalline network of phase-transitioning polymer, which displays an effortless sliding of both low and high gamma(LV) liquids. Upon its strategic chemical modification, droplets of low gamma(LV) liquids fail to slide, rather spill arbitrarily on the tilted interface. In contrast, droplets of high gamma(LV) liquids continue to slide on the same modified interface. Interestingly, the phase-transition driven rearrangement of crystalline network allows to revert the slippery property against low gamma(LV) liquids. Here, we report a 'rewritable' and 'liquid-specific' wettability pattern for high throughput screening, separating, and remoulding non-aqueous liquids.

Keyword:

SURFACE

REORGANIZATION

FABRICATION

CHIP

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对已上传原文的论文进行重点信息的提取，主要内容包括：简要概述、研究摘要、背景介绍、关键亮点、图文解析、展望与总结。

期刊

Nature Communications

IF:

15.7

论文数:

9.4W

被引数:

91.2W

机构

indian institute of technology system (iit system)

学者数:

9.5W

论文数: 9.9W

被引数: 93

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