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Article: Bimetallic coatings synergistically enhance the speeds of photocatalytic TiO2 micromotors

TitleBimetallic coatings synergistically enhance the speeds of photocatalytic TiO2 micromotors
Authors
KeywordsBiocompatibility
Catalysis
Coatings
Platinum compounds
Titanium dioxide
Issue Date2020
PublisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/Publishing/Journals/cc/index.asp
Citation
Chemical Communications, 2020, v. 56 n. 34, p. 4728-4731 How to Cite?
AbstractThe design of powerful, more biocompatible microrobots calls for faster catalytic reactions. Here we demonstrate a two-fold increase in the speed of photocatalytic TiO2–metal Janus micromotors via a Au/Ag bi-layered coating. Electrochemical measurements show that such a bimetallic coating is a better photocatalyst than either metal alone. Similarly, an additional sputtered Ag layer could also significantly increase the speed of Pt–PS or TiO2–Pt micromotors, suggesting that applying bimetallic coatings is a generalizable strategy in the design of faster catalytic micromotors.
Persistent Identifierhttp://hdl.handle.net/10722/286165
ISSN
2020 Impact Factor: 6.222
2015 SCImago Journal Rankings: 2.771
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorXiao, Z-
dc.contributor.authorChen, J-
dc.contributor.authorDuan, S-
dc.contributor.authorLv, X-
dc.contributor.authorWang, J-
dc.contributor.authorMa, X-
dc.contributor.authorTang, J-
dc.contributor.authorWang, W-
dc.date.accessioned2020-08-31T07:00:03Z-
dc.date.available2020-08-31T07:00:03Z-
dc.date.issued2020-
dc.identifier.citationChemical Communications, 2020, v. 56 n. 34, p. 4728-4731-
dc.identifier.issn1359-7345-
dc.identifier.urihttp://hdl.handle.net/10722/286165-
dc.description.abstractThe design of powerful, more biocompatible microrobots calls for faster catalytic reactions. Here we demonstrate a two-fold increase in the speed of photocatalytic TiO2–metal Janus micromotors via a Au/Ag bi-layered coating. Electrochemical measurements show that such a bimetallic coating is a better photocatalyst than either metal alone. Similarly, an additional sputtered Ag layer could also significantly increase the speed of Pt–PS or TiO2–Pt micromotors, suggesting that applying bimetallic coatings is a generalizable strategy in the design of faster catalytic micromotors.-
dc.languageeng-
dc.publisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/Publishing/Journals/cc/index.asp-
dc.relation.ispartofChemical Communications-
dc.subjectBiocompatibility-
dc.subjectCatalysis-
dc.subjectCoatings-
dc.subjectPlatinum compounds-
dc.subjectTitanium dioxide-
dc.titleBimetallic coatings synergistically enhance the speeds of photocatalytic TiO2 micromotors-
dc.typeArticle-
dc.identifier.emailTang, J: jinyao@hku.hk-
dc.identifier.authorityTang, J=rp01677-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1039/D0CC00212G-
dc.identifier.pmid32222746-
dc.identifier.scopuseid_2-s2.0-85084167949-
dc.identifier.hkuros313561-
dc.identifier.volume56-
dc.identifier.issue34-
dc.identifier.spage4728-
dc.identifier.epage4731-
dc.identifier.isiWOS:000530725500020-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl1359-7345-

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