Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/156127
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dc.contributor.authorZhu, Minminen_US
dc.contributor.authorZhang, Haizhongen_US
dc.contributor.authorShoo, Favier Wen Longen_US
dc.contributor.authorZhao, Yidaen_US
dc.contributor.authorGuo, Huiluen_US
dc.contributor.authorDu, Zehuien_US
dc.date.accessioned2022-04-22T06:46:47Z-
dc.date.available2022-04-22T06:46:47Z-
dc.date.issued2022-
dc.identifier.citationZhu, M., Zhang, H., Shoo, F. W. L., Zhao, Y., Guo, H. & Du, Z. (2022). A general strategy towards controllable replication of butterfly wings for robust light photocatalysis. Journal of Materials Science & Technology, 105, 286-292. https://dx.doi.org/10.1016/j.jmst.2021.07.035en_US
dc.identifier.issn1005-0302en_US
dc.identifier.urihttps://hdl.handle.net/10356/156127-
dc.description.abstractLarge-scale replication of the hierarchical microstructure of bio-template is a long-standing challenge due to the large shrinkage when the bio-templates are burned off. In this work, TiO2 based biomimetic metamaterials have been successfully synthesized by sputtering technique, followed by tape assisted transferring and thermal oxidation process. Tile-like arrays of the scale replicas with ridge-lamellae hierarchical microstructures have been obtained and exhibit bright blue-purple structure color. More interestingly, they exhibit significantly enhanced photocatalytic activity to decompose methylene blue under solar light illumination, with the degradation rate of methylene blue almost five times that of TiO2 thin films with the same sample area. The enhancement on the visible light photocatalytic activity in TiO2 replicas can be attributed to a synergy effect of the presence of Ti3+ doping, the air-TO2 interaction, and hierarchical microstructure. The controlling factors that affect the microstructure, structural color and photocatalytic activity of the TiO2 replicas have been discussed in detail. This work offers a scalable and precise approach to replicate various bio-templates based on transition metal oxides, such as ZnO, Fe3O4, CoO, and VO2, thereby providing the new opportunity for infrared sensing, photocatalytic and photonic applications.en_US
dc.language.isoenen_US
dc.relation.ispartofJournal of Materials Science & Technologyen_US
dc.rights© 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology. All rights reserved.en_US
dc.subjectEngineering::Materialsen_US
dc.titleA general strategy towards controllable replication of butterfly wings for robust light photocatalysisen_US
dc.typeJournal Articleen
dc.identifier.doi10.1016/j.jmst.2021.07.035-
dc.identifier.volume105en_US
dc.identifier.spage286en_US
dc.identifier.epage292en_US
dc.subject.keywordsPhotocatalysisen_US
dc.subject.keywordsBiomimetic Metamaterialen_US
dc.subject.keywordsStructural Coloren_US
dc.subject.keywordsSputteringen_US
item.fulltextNo Fulltext-
item.grantfulltextnone-
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