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Facile Strategy to Generate Charged Droplets with Desired Polarities.

ABSTRACT: Water droplets are usually charged positively via either electrospray or contact electrification at the solid/liquid interface. Herein, we describe a facile two-step strategy to generate charged droplets with desired polarities. In particular, negatively charged droplets can be generated via electrostatic induction using a precharged superamphiphobic substrate as an electret. The interplay of repulsive and attractive interactions between like- and unlike-charged droplets or electret leads to rapid droplet transport and self-assembly of specific highly ordered arrays.

SUBMITTER: Wang Y

PROVIDER: S-EPMC7581228 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Facile Strategy to Generate Charged Droplets with Desired Polarities.

Wang Yingxi Y Zhang Wenluan W Sun Qiangqiang Q Lin Shiji S Sun Sheng S Deng Xu X

ACS omega 20201005 41

Water droplets are usually charged positively via either electrospray or contact electrification at the solid/liquid interface. Herein, we describe a facile two-step strategy to generate charged droplets with desired polarities. In particular, negatively charged droplets can be generated via electrostatic induction using a precharged superamphiphobic substrate as an electret. The interplay of repulsive and attractive interactions between like- and unlike-charged droplets or electret leads to rap ...[more]

PMID: 33111017

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