Highly luminescent covalently bonded layered double hydroxide-fluorescent dye nanohybrids

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journal

19 Scopus Citations
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Author(s)

  • Li Yan
  • Yu Wang
  • Jinhua Li
  • Sergii Kalytchuk
  • Andrei S. Susha
  • Stephen V. Kershaw
  • Feng Yan
  • Xianfeng Chen

Detail(s)

Original languageEnglish
Pages (from-to)4490-4494
Journal / PublicationJournal of Materials Chemistry C
Volume2
Issue number22
Online published25 Mar 2014
Publication statusPublished - 14 Jun 2014

Abstract

Incorporation of fluorescein dye molecules into layered double hydroxide (LDH) nanoparticles to form nanocomposites has great potential for optical and biological applications. Herein, we report a novel highly luminescent covalently bonded LDH-sodium fluorescein dye nanohybrid. This nanocomposite shows a significantly higher quantum yield (QY) of 55.1% than the nanohybrids prepared using the previously reported anion exchange (3.0%) and coprecipitation (12.4%) approaches. Our LDH-sodium fluorescein nanohybrid is superior to the pure fluorescent dye from a number of perspectives. Firstly, the nanohybrid exhibits excellent linearity between the fluorescence intensity and the concentration in a certain range. Secondly, the nanohybrid remains fluorescent even in a dry powder form. Thirdly, the nanohybrid can self-assemble into a transparent and free-standing film which is fluorescent under UV, which will lead to important applications in optical devices. © 2014 the Partner Organisations.

Citation Format(s)

Highly luminescent covalently bonded layered double hydroxide-fluorescent dye nanohybrids. / Yan, Li; Wang, Yu; Li, Jinhua; Kalytchuk, Sergii; Susha, Andrei S.; Kershaw, Stephen V.; Yan, Feng; Rogach, Andrey L.; Chen, Xianfeng.

In: Journal of Materials Chemistry C, Vol. 2, No. 22, 14.06.2014, p. 4490-4494.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journal