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Advanced Materials

In Situ Microstructure Control of Oriented Layered Double Hydroxide Monolayer Films with Curved Hexagonal Crystals as Superhydrophobic Materials

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  • This work was supported by the National Natural Science Foundation Major International Joint Research Program (Project No. 20620130108). The TEM work was performed in the Department of Physics at Peking University. Supporting Information is available online from Wiley InterScience or from the author.

Abstract

Oriented NiAl-layered double hydroxide (LDH) films with micro-/nanometer scale binary structures are prepared by in situ crystallization, without using any external aluminum source or shape-directing surfactant, on a porous anodic alumina/aluminum substrate. The NiAl-LDH film structures can be controlled by tuning crystallization temperature and time. Facile hydrophobic modification of the film surface leads to superhydrophobicity, as shown in the figure.

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