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A Large-scale water harvesting device with β-Al(OH)3 microcone arrays by simple hydrothermal synthesis

Abstract

As the scarcity of fresh water emerges as a major global problem, fog-water harvesting is considered as a sustainable water resource. Although water-harvesting technologies based on special wetting surfaces have attracted considerable interest because of their high efficiency, many problems remain, including high cost and difficulties in the fabrication of special wetting surfaces. Here we report a novel approach to fabricate conical microstructures on aluminum substrates using a cost-effective and scalable hydrothermal method of synthesis. Owing to the morphological features, the microcone surfaces exhibited extremely high wettability and excellent water-collection capacity. Furthermore, we suggest a practical water-harvesting device that allows an effective and sustainable way to collect fresh water from moist air and has enhanced adaptability to environmental conditions. These features enable us to develop a highly promising water-harvesting system for overcoming problems associated with water shortage.

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Publication details

The article was received on 04 Aug 2017, accepted on 03 Nov 2017 and first published on 03 Nov 2017


Article type: Paper
DOI: 10.1039/C7TA06874C
Citation: J. Mater. Chem. A, 2017, Accepted Manuscript
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    A Large-scale water harvesting device with β-Al(OH)3 microcone arrays by simple hydrothermal synthesis

    H. Cho, B. Park, M. Kim, S. Lee and W. Hwang, J. Mater. Chem. A, 2017, Accepted Manuscript , DOI: 10.1039/C7TA06874C

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