Intense upconversion red emission from Gd-doped NaErF4:Tm-based core/shell/shell nanocrystals under 980 and 800 nm near infrared light excitations

Jung Eun Choi, Donghwan Kim, Ho Seong Jang

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

Bright and single band red-emitting NaErF4:Tm,Gd-based upconversion nanophosphors (UCNPs) were successfully synthesized by the formation of a core/intermediate shell/active shell structure. The NaErF4:Tm,Gd/NaYF4:Ca,Yb/NaYF4:Nd,Yb core/shell/shell UCNPs exhibit intense red light under both 980 and 800 nm near infrared light excitations.

Original languageEnglish
Pages (from-to)2261-2264
Number of pages4
JournalChemical Communications
Volume55
Issue number16
DOIs
Publication statusPublished - 2019

Bibliographical note

Funding Information:
This research was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (NRF-2018R1A2B5A03023239) and the Future Key Technology program of the KIST (Project No. 2E28020). We acknowledge A-Ra Hong for her help with TEM measurements.

ASJC Scopus subject areas

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • General Chemistry
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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