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Microsystem Technologies
Published in: Microsystem Technologies 12/2020

09-05-2020 | Technical Paper

Enhanced photocatalytic efficiency by layer-by- layer self-assembly of graphene and titanium dioxide on shrink thermoplastic film

Authors: Peng Zhou, Tianhong Cui

Published in: Microsystem Technologies | Issue 12/2020

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Abstract

In this work, reduced graphene oxide/titanium dioxide (rGO/TiO2) composite material was immobilized on shrink thermoplastic film using layer-by-layer (LBL) self-assembly to remove pollutants in water, and the results were compared with immobilized TiO2 on glass and shrink thermoplastic film. The structural and morphological properties of the immobilized photocatalysts were investigated using atomic force microscope and scanning electron microscope. The photocatalytic efficiency was measured by photodegradation of methylene blue under solar light illumination. The immobilized rGO/TiO2 on shrink thermoplastic film showed doubled photocatalytic efficiency than TiO2 on glass substrate, and no decrease of photocatalytic efficiency was shown after 5 h of operation. The use of shrink thermoplastic film and the introduction of graphene material contribute to an increase in catalytic efficiency of 63% and 28%, respectively. These results lead us to believe that the LBL self-assembled rGO/TiO2 composite on shrink thermoplastic film could be used in photocatalytic degradation of other water pollutants.
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Metadata
Title
Enhanced photocatalytic efficiency by layer-by- layer self-assembly of graphene and titanium dioxide on shrink thermoplastic film
Authors
Peng Zhou
Tianhong Cui
Publication date
09-05-2020
Publisher
Springer Berlin Heidelberg
Published in
Microsystem Technologies / Issue 12/2020
Print ISSN: 0946-7076
Electronic ISSN: 1432-1858
DOI
https://doi.org/10.1007/s00542-020-04865-y

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