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Bioinspired in situ growth of conversion films with underwater superoleophobicity and excellent self-cleaning performance.

Authors
Type
Published Article
Journal
ACS Applied Materials & Interfaces
1944-8244
Publisher
American Chemical Society
Publication Date
Volume
5
Issue
21
Pages
10904–10911
Identifiers
DOI: 10.1021/am4030966
PMID: 24080118
Source
Medline

Abstract

Wax deposition during the production and transportation of crude oil is a global problem in oil industries. Fabrication of underwater self-cleaning materials can provide a new strategy to prohibit wax deposition. In this paper, conversion films on carbon steel with hierarchical micro/nanostructure are fabricated through a novel in situ alternating-current deposition method. The flower-like conversion films are composed of amorphous iron phosphate and present superhydrophilicity in air and superoleophobicity underwater. The conversion films can efficiently prevent the deposition of wax in water-contained crude oil, showing excellent self-cleaning performance. This facile and low-cost fabrication of a self-cleaning film provides a good strategy for underwater-oil prevention.

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