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Enhanced near-infrared emission in Yb3+-Cr3+ codoped KZnF3 glass ceramics excited by a solar simulator

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Show simple item record Wang, Xin Li, Wenhao Tian, Ke Lewis, Elfed Wang, Shunbin Brambilla, Gilberto Dong, Yongkang Wu, Xiao Wang, Pengfei 2019-02-21T12:42:34Z 2019
dc.description peer-reviewed en_US
dc.description.abstract Cr3+-Yb3+ codoped bulk glass-ceramics containing KZnF3 nanocrystals are fabricated by thermal treatment of cast glass samples and characterized by X-ray diffraction and transmission electron microscopy. The luminescent properties of the glass and glass ceramic are investigated from the measured photoluminescence spectra and fluorescent lifetime. The measurement results demonstrate that Cr3+ and Yb3+ ions are both predominantly hosted in the KZnF3 nanocrystals, and the energy absorbed by Cr3+ ions is efficiently transferred to Yb3+ ions when excited at 450 nm. Compared to the glass, the near-infrared emission in the Cr3+-Yb3+ codoped glass ceramics is significantly enhanced when the excitation wavelength lies in the range λ~400–800 nm of a solar simulator. Results indicate that the Cr3+-Yb3+ codoped KZnF3 glass ceramic provides a promising material for spectral conversion from visible sunlight to near-infrared emission and a novel gain material for solar pumped fiber laser. en_US
dc.language.iso eng en_US
dc.publisher Elsevier en_US
dc.relation.ispartofseries Ceramics International;45 (6), pp. 6738-6743
dc.rights This is the author’s version of a work that was accepted for publication in Ceramics International . Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Ceramics International, 2019, 43 (6), pp. 6738-6743, en_US
dc.subject near-infrared en_US
dc.subject solar pumped en_US
dc.subject nanocrystal en_US
dc.subject glass ceramics en_US
dc.title Enhanced near-infrared emission in Yb3+-Cr3+ codoped KZnF3 glass ceramics excited by a solar simulator en_US
dc.type info:eu-repo/semantics/article en_US
dc.type.supercollection all_ul_research en_US
dc.type.supercollection ul_published_reviewed en_US
dc.identifier.doi 10.1016/j.ceramint.2018.12.164
dc.contributor.sponsor National Natural Science Foundation of China en_US
dc.contributor.sponsor Natural Science Foundation of Heilongjiang en_US
dc.relation.projectid 61575050 en_US
dc.relation.projectid 2016YFE0126500 en_US
dc.relation.projectid ZD2016012 en_US
dc.relation.projectid IOSKL2016KF03 en_US 2020-12-23
dc.embargo.terms 2020-12-23 en_US
dc.rights.accessrights info:eu-repo/semantics/openAccess

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