An underwater pH-responsive superoleophobic surface with reversibly switchable oil-adhesion

Qunfeng Cheng; Mingzhu Li; Fu Yang; Mingjie Liu; Lin Li; Shutao Wang; Lei Jiang

doi:10.1039/c2sm25421b

An underwater pH-responsive superoleophobic surface with reversibly switchable oil-adhesion

Qunfeng Cheng, Mingzhu Li, Fu Yang, Mingjie Liu, Lin Li, Shutao Wang, Lei Jiang

Research output: Contribution to journal › Article › Research › peer-review

96 Citations (Scopus)

Abstract

An underwater pH-responsive superoleophobic surface successfully demonstrated a reversible switch of oil-adhesion on a nanostructured poly(acrylic acid) (PAA) surface by changing the environmental pH values. At low pH, intramolecular hydrogen bonding of PAA is formed, and results in high oil-adhesion. As for high pH, the oil droplets can easily roll off due to the intermolecular hydrogen bonding between PAA and surrounding water.

Original language	English
Pages (from-to)	6740-6743
Number of pages	4
Journal	Soft Matter
Volume	8
Issue number	25
DOIs	https://doi.org/10.1039/c2sm25421b
Publication status	Published - 7 Jul 2012
Externally published	Yes

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abstract = "An underwater pH-responsive superoleophobic surface successfully demonstrated a reversible switch of oil-adhesion on a nanostructured poly(acrylic acid) (PAA) surface by changing the environmental pH values. At low pH, intramolecular hydrogen bonding of PAA is formed, and results in high oil-adhesion. As for high pH, the oil droplets can easily roll off due to the intermolecular hydrogen bonding between PAA and surrounding water.",

author = "Qunfeng Cheng and Mingzhu Li and Fu Yang and Mingjie Liu and Lin Li and Shutao Wang and Lei Jiang",

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AU - Cheng, Qunfeng

AU - Li, Mingzhu

AU - Yang, Fu

AU - Liu, Mingjie

AU - Li, Lin

AU - Wang, Shutao

AU - Jiang, Lei

PY - 2012/7/7

Y1 - 2012/7/7

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AB - An underwater pH-responsive superoleophobic surface successfully demonstrated a reversible switch of oil-adhesion on a nanostructured poly(acrylic acid) (PAA) surface by changing the environmental pH values. At low pH, intramolecular hydrogen bonding of PAA is formed, and results in high oil-adhesion. As for high pH, the oil droplets can easily roll off due to the intermolecular hydrogen bonding between PAA and surrounding water.

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DO - 10.1039/c2sm25421b

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An underwater pH-responsive superoleophobic surface with reversibly switchable oil-adhesion

Abstract

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