Improved Antifouling and Anticorrosion Performance of CeO2 Nanocoating Prepared by Mussel-Inspired Chemistry

IF 3.7 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Langmuir Pub Date : 2025-02-04 DOI:10.1021/acs.langmuir.4c04151

Dan Su, Yuhan Liu, Jiangfan Chang, Ying Yang, Xiaoyan He, Xiuqin Bai

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Abstract

Biofouling, the accumulation of organisms on submerged surfaces, significantly impairs vessel performance and hinders maritime industry development. The development of effective coatings has become an efficient solution to this problem. Cerium oxide nanoparticles (CeO₂NPs) were synthesized on dopamine-modified 5083 aluminum alloy (Al) surfaces by mussel-inspired chemistry. The CeO₂NPs can be fully exposed to the coating surface using this method, and CeO₂ nanocoating exhibited haloperoxidase-like activity. CeO₂ nanocoatings have an excellent ability to inhibit the attachment of P. tricornutum, E. coli, and Bacillussp., and their numbers were reduced by 96.03%, 94.41%, and 88.44%, respectively. The outstanding antiadhesion capability of the coating was attributed to its potent antibacterial properties and quorum quenching effect. Furthermore, the CeO₂ nanocoating demonstrated outstanding corrosion resistance, with an impedance modulus 46.9 times higher than that of the Al sample. This approach presents a sustainable and environmentally friendly surface modification model for enhancing the performance of antifouling and anticorrosion in aluminum materials.

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来源期刊

Langmuir 化学-材料科学：综合

CiteScore

6.50

自引率

10.30%

发文量

1464

审稿时长

2.1 months

期刊介绍： Langmuir is an interdisciplinary journal publishing articles in the following subject categories: Colloids: surfactants and self-assembly, dispersions, emulsions, foams Interfaces: adsorption, reactions, films, forces Biological Interfaces: biocolloids, biomolecular and biomimetic materials Materials: nano- and mesostructured materials, polymers, gels, liquid crystals Electrochemistry: interfacial charge transfer, charge transport, electrocatalysis, electrokinetic phenomena, bioelectrochemistry Devices and Applications: sensors, fluidics, patterning, catalysis, photonic crystals However, when high-impact, original work is submitted that does not fit within the above categories, decisions to accept or decline such papers will be based on one criteria: What Would Irving Do? Langmuir ranks #2 in citations out of 136 journals in the category of Physical Chemistry with 113,157 total citations. The journal received an Impact Factor of 4.384*. This journal is also indexed in the categories of Materials Science (ranked #1) and Multidisciplinary Chemistry (ranked #5).