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Please use this identifier to cite or link to this item: https://doi.org/10.1080/00387010.2010.487018
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dc.titleTunable upconversion emissions from lanthanide-doped monodisperse β-NaYF4 nanoparticles
dc.contributor.authorWang, F.
dc.contributor.authorWang, J.
dc.contributor.authorXu, J.
dc.contributor.authorXue, X.
dc.contributor.authorChen, H.
dc.contributor.authorLiu, X.
dc.date.accessioned2014-12-02T06:53:36Z
dc.date.available2014-12-02T06:53:36Z
dc.date.issued2010
dc.identifier.citationWang, F., Wang, J., Xu, J., Xue, X., Chen, H., Liu, X. (2010). Tunable upconversion emissions from lanthanide-doped monodisperse β-NaYF4 nanoparticles. Spectroscopy Letters 43 (5) : 400-405. ScholarBank@NUS Repository. https://doi.org/10.1080/00387010.2010.487018
dc.identifier.issn00387010
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/114414
dc.description.abstractWe report upconversion multicolor tuning based on uniform β-NaYF4:Yb/Tm/Er nanoparticles. The as-synthesized nanoparticles with an average diameter of 25 nm are well dispersed in a wide range of nonpolar solvents including hexane, cyclohexane, dichloromethane, and toluene. These nanoparticles show intense upconversion emissions and the color output can be precisely modulated by adjusting activator ratios of Tm3+ to Er3+. Dopant-concentration dependent emission properties of the triply doped particle system are also investigated. In addition, we demonstrate that these nanoparticles can be readily transferred to polar solvents such as ethanol and water by growing a thin silica layer (10nm) around the particles, providing potential applications in biological labeling and imaging. © Taylor & Francis Group, LLC.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1080/00387010.2010.487018
dc.sourceScopus
dc.subjectEnergy transfer
dc.subjectLanthanide
dc.subjectMulticolor tuning
dc.subjectNaYF4
dc.subjectSilica coating
dc.subjectUpconversion
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.contributor.departmentSINGAPORE-MIT ALLIANCE
dc.description.doi10.1080/00387010.2010.487018
dc.description.sourcetitleSpectroscopy Letters
dc.description.volume43
dc.description.issue5
dc.description.page400-405
dc.description.codenSPLEB
dc.identifier.isiut000280518000012
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