期刊
MATERIALS CHEMISTRY FRONTIERS
卷 7, 期 3, 页码 535-544出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2qm01105k
关键词
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Rare earth-doped luminescent materials have wide applications in scientific research and practical use. The design of a single matrix containing multiple emitting centers is a trend in the development of luminescent materials. This study reports the design of a smart platform combining trivalent bismuth and lanthanides ions in a LuNbO4 matrix, which demonstrates multiple stimuli-responsiveness and color-tunability. The possible application of color-changeable indicators for information readouts is demonstrated, showing promise in various fields.
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 (Ln(3+)) in a LuNbO4 fergusonite-type matrix is reported. Importantly, it is found that such Bi3+/Ln(3+) 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+/Ln(3+). 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.
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