期刊
ACS APPLIED MATERIALS & INTERFACES
卷 7, 期 36, 页码 20410-20417出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b06374
关键词
underwater superoleophobic; tunable adhesion; self-assemble; copper film; n-alkanoic acids
资金
- National Natural Science Foundation of China (NSFC) [21304025]
- Fundamental Research Funds for the Central Universities [HIT.IBRSEM.A.201408]
- Research Fund for the Doctoral Program of Higher Education of China [20112302120062]
- Heilong Jiang Postdoctoral Funds for scientific research initiation [LBHQ13063]
Controlling liquid adhesion on special wetting surface is significant in many practical applications. In this paper, an easy self-assembled monolayer technique was advanced to modify nanostructured copper substrates, and tunable adhesive underwater superoleophobic surfaces were prepared. The surface adhesion can be regulated by simply varying the chain length of the n-alkanoic acids, and the tunable adhesive properties can be ascribed to the combined action of surfaces nanostructures and related variation in surface chemistry. Meanwhile, the tunable ability is universal, and the oil-adhesion controllability is suitable to various oils including silicon oil, n-hexane, and chloroform. Finally, on the basis of the special tunable adhesive properties, some applications of our surfaces including droplet storage, transfer, mixing, and so on are also discussed. The paper offers a novel and simple method to prepare underwater superoleophobic surfaces with regulated adhesion, which can potentially be applied in numerous fields, for instance, biodetection, microreactors, and microfluidic devices.
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