Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/78334
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dc.contributorDepartment of Applied Physicsen_US
dc.creatorHuang, JBen_US
dc.creatorLi, QFen_US
dc.creatorWang, Jen_US
dc.creatorJin, Len_US
dc.creatorTian, BSen_US
dc.creatorLi, CYen_US
dc.creatorShi, YRen_US
dc.creatorWang, ZLen_US
dc.creatorHao, JHen_US
dc.date.accessioned2018-09-28T01:16:14Z-
dc.date.available2018-09-28T01:16:14Z-
dc.identifier.issn1477-9226en_US
dc.identifier.urihttp://hdl.handle.net/10397/78334-
dc.language.isoenen_US
dc.publisherRoyal Society of Chemistryen_US
dc.rightsThis journal is © The Royal Society of Chemistry 2018en_US
dc.rightsThe following publication Huang, J., Li, Q., Wang, J., Jin, L., Tian, B., Li, C., ... & Hao, J. (2018). Controllable synthesis of lanthanide Yb 3+ and Er 3+ co-doped AWO 4 (A= Ca, Sr, Ba) micro-structured materials: phase, morphology and up-conversion luminescence enhancement. Dalton Transactions, 47(26), 8611-8618 is available at https://doi.org/10.1039/c7dt04756h.en_US
dc.titleControllable synthesis of lanthanide Yb3+ and Er3+ co-doped AWO(4) (A = Ca, Sr, Ba) micro-structured materials: phase, morphology and up-conversion luminescence enhancementen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage8611en_US
dc.identifier.epage8618en_US
dc.identifier.volume47en_US
dc.identifier.issue26en_US
dc.identifier.doi10.1039/c7dt04756hen_US
dcterms.abstractLanthanide ion (Yb3+, Er3+) co-doped AWO(4) (A = Ca, Sr, Ba) up-conversion (UC) luminescent materials have been synthesized using a hydrothermal method and characterized by various microstructural and optical techniques. The results indicate that AWO(4):Yb3+,Er3+ samples have an identical body-centered tetragonal scheelite structure with different morphologies, including CaWO4:Yb3+,Er3+ microspheres, dumbbell-like SrWO4:Yb3+,Er3+ and bipyramid-like BaWO4:Yb3+,Er3+. These samples exhibit visible emissions via an UC process under near-infrared (NIR) light (980 nm) excitation. Interestingly, the UC luminescence properties of AWO(4):Yb3+,Er3+ can be prominently increased after combination with fluorescent carbon dots (CDs) to form CDs@AWO(4):Yb3+,Er3+ composites. Compared to the corresponding samples without combination with CDs, the UC emission intensities of CDs@CaWO4:Yb3+,Er3+, CDs@SrWO4:Yb3+,Er3+ and CDs@BaWO4:Yb3+,Er3+ composites increase about three, six and seven fold in the green emission area, and two, three and four fold in the red emission area, respectively. The mechanism of UC luminescence enhancement is probably that the loss of non-radiative transitions from the higher energy levels to the lower excited levels could be effectively reduced through the energy capture by the CD energy levels. The fluorescence enhancement for Yb3+ and Er3+ co-doped AWO(4) through combination with CDs provides a simple strategy for the tungstate system and other UC luminescent host systems.en_US
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationDalton transactions : an international journal of inorganic chemistry, 14 July 2018, v. 47, no. 26, p. 8611-8618en_US
dcterms.isPartOfDalton transactions : an international journal of inorganic chemistryen_US
dcterms.issued2018-07-14-
dc.identifier.isiWOS:000437317700014-
dc.identifier.eissn1477-9234en_US
dc.description.validate201809 bcrcen_US
dc.description.oaAccepted Manuscripten_US
dc.identifier.FolderNumberAP-0477-
dc.description.fundingSourceRGCen_US
dc.description.fundingSourceOthersen_US
dc.description.fundingTextThe National Natural Science Foundation of China; The Innovation Scientists and Technicians Troop Construction Projects of Henan Provinceen_US
dc.description.pubStatusPublisheden_US
dc.identifier.OPUS25776370-
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