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Low temperature atomic layer deposition of ZnO: Applications in photocatalysis

Paper ID Volume ID Publish Year Pages File Format Full-Text
44972 46390 2016 9 PDF Available
Title
Low temperature atomic layer deposition of ZnO: Applications in photocatalysis
Abstract

•ZnO thin films were deposited by atomic layer deposition at low temperatures.•The process was successfully transferred on flexible polymeric substrate.•The films showed a high efficiency in the degradation of MB and phenols in water.

This work reports on the ZnO thin films obtained by atomic layer deposition (ALD), at a deposition temperature down to 40 °C. The crystallinity of the material as a function of the film thickness and the deposition temperature was investigated. The photocatalytic performance was evaluated by the degradation of methylene blue (MB) dye in water under UV light irradiation. The effect of the film thickness and the deposition temperature on the photocatalysis was deeply elucidated. Once the optimized conditions (in terms of thickness and temperature) were found, the ALD process was transferred on a flexible polymeric substrate: polyethylene naphthalate (PEN). The photo-activity of the flexible materials was evidenced by the degradation of MB and phenols in water. The results demonstrate that low temperature growth by ALD can be fruitfully applied to synthesize flexible materials that can found applications in photocatalysis.

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Keywords
ZnO film; ALD; Low temperature; Photocatalysis; Polymer
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 196, 5 November 2016, Pages 68–76
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
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