期刊
ACS NANO
卷 11, 期 2, 页码 2248-2256出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.7b00046
关键词
oil repellency; interface; liquid-like surfaces; nanocoatings; polymer brush; surface chemistry
类别
资金
- National Basic Research Development Program [2013CB911302]
- National Natural Science Foundation of China [21501145]
- General Research Fund (GRF) Hong Kong [21214215, 11274616]
- City University of Hong Kong [7200429, 9610329]
Here, we describe a simple method to prepare oil-repellent surfaces with inherent reactivity. Liquid-like copolymers with pendant reactive groups are covalently immobilized onto substrates via a sequential layer-by-layer method. The stable and transparent nanocoatings showed oil repellency to a broad range of organic liquids even in the presence of reactive sites. Functional molecules could be covalently immobilized onto the oil-repellent surfaces. Moreover, the liquid repellency can be maintained or finely tailored after post-chemical modification via synergically tailoring the film thickness, selection of capping molecules, and labeling degree of the capping molecules. surfaces that are capable of post-functionalization would have technical implications in surface coatings, separation, and biomedical and analytical technologies.
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