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Lee, Jiseok
Novel Optofluidic Materials Synthesis Lab
Research Interests
  • Optofluidic photolithography
  • Nanoparticle Synthesis
  • Conjugated polymer design and Synthesis
  • Flow lithography
  • 3d printing

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Multi-Color Luminescence Transition of Upconversion Nanocrystals via Crystal Phase Control with SiO2 for High Temperature Thermal Labels

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dc.contributor.author Baek, Dahye ko
dc.contributor.author Lee, Tae Kyung ko
dc.contributor.author Jeon, Inkyu ko
dc.contributor.author Joo, Se Hun ko
dc.contributor.author Shin, Subeen ko
dc.contributor.author Park, Jaehyun ko
dc.contributor.author Kang, Seok Ju ko
dc.contributor.author Kwak, Sang Kyu ko
dc.contributor.author Lee, Jiseok ko
dc.date.available 2020-04-29T00:27:16Z -
dc.date.created 2020-04-09 ko
dc.date.issued 2020-04 ko
dc.identifier.citation ADVANCED SCIENCE, pp.2000104 ko
dc.identifier.issn 2198-3844 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/32018 -
dc.description.abstract Upconversion nanocrystals (UCNs)-embedded microarchitectures with luminescence color transition capability and enhanced luminescence intensity under extreme conditions are suitable for developing a robust labeling system in a high-temperature thermal industrial process. However, most UCNs based labeling systems are limited by the loss of luminescence owing to the destruction of the crystalline phase or by a predetermined luminescence color without color transition capability. Herein, an unusual crystal phase transition of UCNs to a hexagonal apatite phase in the presence of SiO2 nanoparticles is reported with the enhancements of 130-fold green luminescence and 52-fold luminance as compared to that of the SiO2-free counterpart. By rationally combining this strategy with an additive color mixing method using a mask-less flow lithography technique, single to multiple luminescence color transition, scalable labeling systems with hidden letters-, and multi-luminescence colored microparticles are demonstrated for a UCNs luminescence color change-based high temperature labeling system. ko
dc.language 영어 ko
dc.publisher Wiley-VCH Verlag ko
dc.title Multi-Color Luminescence Transition of Upconversion Nanocrystals via Crystal Phase Control with SiO2 for High Temperature Thermal Labels ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85083779654 ko
dc.identifier.wosid 000527997800001 ko
dc.type.rims ART ko
dc.identifier.doi 10.1002/advs.202000104 ko
dc.identifier.url https://onlinelibrary.wiley.com/doi/full/10.1002/advs.202000104 ko
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