Issue 3, 2023

Designing stimuli-responsive and color-tunable indicators via the coexistence of dual emitting centers

Abstract

Rare earth-doped luminescent materials have been widely applied in various fields, both in scientific research and practical applications. Recently, motivated by the demand for advanced smart platforms with multicolor and stimuli-responsiveness properties, the design of a single matrix containing a variety of emitting centers has become a trend in the development of luminescent materials. In this study, the design of a smart platform upon the combination of trivalent bismuth and lanthanides ions (Ln3+) in a LuNbO4 fergusonite-type matrix is reported. Importantly, it is found that such Bi3+/Ln3+ co-activated niobates exhibit multiple stimuli-responsiveness and noteworthy color-tunability. Lastly, we demonstrate the possible application of color-changeable indicators for information readouts via luminescent inks using LuNbO4:Bi3+/Ln3+. This work not only offers guidance for developing color tunable and stimuli-responsive inorganic luminescent materials, but also presents great promise in fields from information security, anticounterfeiting, and optical sensing to smart platforms and beyond.

Graphical abstract: Designing stimuli-responsive and color-tunable indicators via the coexistence of dual emitting centers

Supplementary files

Article information

Article type
Research Article
Submitted
27 Oct 2022
Accepted
28 Dec 2022
First published
30 Dec 2022

Mater. Chem. Front., 2023,7, 535-544

Designing stimuli-responsive and color-tunable indicators via the coexistence of dual emitting centers

T. Wang, J. Du, X. Wang, K. Jiang, P. Wang, S. Lyu and H. Lin, Mater. Chem. Front., 2023, 7, 535 DOI: 10.1039/D2QM01105K

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