Three Models to Encapsulate Multicomponent Dyes into Nanocrystal Pores: A New Strategy for Generating High-Quality White Light

Xiao Yuan Liu, Kai Xing, Yang Li, Chia Kuang Tsung, Jing Li

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Highly luminescent metal-organic frameworks (LMOFs) have received great attention for their potential use in energy-efficient general lighting devices such as white-light-emitting diodes (WLEDs); however, achieving strong emission with controllable color, especially high-quality white light, remains a considerable challenge. Herein, we present a new strategy to encapsulate in situ multiple dyes into nanocrystalline ZIF-8 pores to form an efficient dyes@MOF system. Using this strategy, we build three models, namely, multiphase single-shell dye@ZIF-8, single-phase single-shell dyes@ZIF-8, and single-phase multishell dyes@ZIF-8, to systematically and fine-Tune the white emission color by varying the components and concentration of encapsulated dyes. The study of these three models demonstrates the importance of the multishell structure, which can effectively reduce the interactions such as Förster resonance energy transfer (FRET) between encapsulated dyes. This energy transfer would otherwise be unavoidable in a single-shell setting, which often reduces the efficiency of white-light emission in the dyes@MOF system. This approach offers a new perspective not only for fine-Tuning the emission color within nanoporous dyes@MOFs but also for fabricating MOF nanocrystals that are easily solution-processable. The strategy may also facilitate the development of other types of MOF-guest nanocomposite systems.

Original languageEnglish
Pages (from-to)14807-14813
Number of pages7
JournalJournal of the American Chemical Society
Volume141
Issue number37
DOIs
Publication statusPublished - Sep 18 2019

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Nanoparticles
Nanocrystals
Coloring Agents
Dyes
Light
Color
Energy Transfer
Energy transfer
Nanocomposites
Light emission
Lighting
Light emitting diodes
Tuning
Metals
Equipment and Supplies

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

Three Models to Encapsulate Multicomponent Dyes into Nanocrystal Pores : A New Strategy for Generating High-Quality White Light. / Liu, Xiao Yuan; Xing, Kai; Li, Yang; Tsung, Chia Kuang; Li, Jing.

In: Journal of the American Chemical Society, Vol. 141, No. 37, 18.09.2019, p. 14807-14813.

Research output: Contribution to journalArticle

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