Issue 10, 2020
From the journal:

Journal of Materials Chemistry C

Lanthanide based white-light-emitting hydrogel mediated by fluorescein and carbon dots with high quantum yield and multi-stimuli responsiveness†

Juan Xue,‡a   Xihan Xu,‡a   Yi Zhua  and  Dayong Yang ORCID logo *a  

* Corresponding authors

a Frontier Science Center for Synthetic Biology, Key Laboratory of Systems Bioengineering (MOE), School of Chemical Engineering and Technology, Tianjin University, Tianjin, P. R. China
E-mail: dayong.yang@tju.edu.cn

Abstract

Stimuli-responsive materials, especially white-light emission (WLE) hydrogels, have aroused considerable attention in fabricating smart molecular machines, devices and materials. Herein, a lanthanide based WLE hydrogel with a high quantum yield and multi-stimuli responsiveness mediated by fluorescein and carbon dots is reported. Notably, a hydrogel with pure white emission is obtained by tailoring the stoichiometric ratio of lanthanide complex, fluorescein and carbon dots. The absolute quantum yield of our WLE hydrogel reaches as high as 18.00% through resonance energy transfer among the three primary colored emitters. The dynamic nature of coordination bonds of the lanthanide complex endows the hydrogel with multi-stimuli responsiveness to pH, Fe3+ and temperature. Our work provides a straightforward strategy to prepare smart white-light emission hydrogels.

Graphical abstract: Lanthanide based white-light-emitting hydrogel mediated by fluorescein and carbon dots with high quantum yield and multi-stimuli responsiveness

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Article information

DOI
https://doi.org/10.1039/C9TC06590C
Article type
Paper
Submitted
02 Dec 2019
Accepted
16 Jan 2020
First published
17 Jan 2020

J. Mater. Chem. C, 2020,8, 3380-3385

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Lanthanide based white-light-emitting hydrogel mediated by fluorescein and carbon dots with high quantum yield and multi-stimuli responsiveness

J. Xue, X. Xu, Y. Zhu and D. Yang, J. Mater. Chem. C, 2020, 8, 3380 DOI: 10.1039/C9TC06590C

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