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dc.contributor.authorYang, Shuang
dc.contributor.authorHou, Yu
dc.contributor.authorZhang, Bo
dc.contributor.authorYang, Xiao Hua
dc.contributor.authorZhang, Haimin
dc.contributor.authorZhao, Hui Jun
dc.contributor.authorYang, Hua Gui
dc.date.accessioned2017-12-04T12:00:35Z
dc.date.available2017-12-04T12:00:35Z
dc.date.issued2014
dc.identifier.issn1466-8033
dc.identifier.doi10.1039/c4ce00537f
dc.identifier.urihttp://hdl.handle.net/10072/140962
dc.description.abstractThe development of new methods which enable exquisite control over crystal size over a wide range is highly desired for optimizing their performance. In this work, we employed anatase TiO2 as an example to demonstrate a heterogeneous nucleation approach by coupling the slow hydrolysis of a titanium precursor and a dispersible silica substrate. After tight control of the number of nucleation sites, the crystal size is greatly dependent on the number of seeds. An in-depth nucleation analysis was carried out that showed that the reaction product, hydrofluoric acid (HF), plays a key role in selective etching of the substrate and further leads to crystal–substrate separation. Additionally, our preliminary results illustrated that the growth of Fe2O3 crystals can also be tuned by such a method without shape and composition variation. To the best of our knowledge, this is the first report of fine-tuning the crystal size of anatase TiO2 by a heterogeneous nucleation method, and this provides a promising way to design and synthesize new materials with appropriate size and shape.
dc.description.peerreviewedYes
dc.languageEnglish
dc.language.isoeng
dc.publisherR S C Publications
dc.publisher.placeUnited Kingdom
dc.relation.ispartofpagefrom7502
dc.relation.ispartofpageto7506
dc.relation.ispartofjournalCrystEngComm
dc.relation.ispartofvolume16
dc.subject.fieldofresearchChemical Sciences not elsewhere classified
dc.subject.fieldofresearchInorganic Chemistry
dc.subject.fieldofresearchPhysical Chemistry (incl. Structural)
dc.subject.fieldofresearchMaterials Engineering
dc.subject.fieldofresearchcode039999
dc.subject.fieldofresearchcode0302
dc.subject.fieldofresearchcode0306
dc.subject.fieldofresearchcode0912
dc.titlePrecisely controlled heterogeneous nucleation sites for TiO2 crystal growth
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.hasfulltextNo Full Text
gro.griffith.authorZhao, Huijun
gro.griffith.authorZhang, Haimin
gro.griffith.authorYang, Huagui


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