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January 1, 2026Journal of Materials Chemistry C

Dual-mode ratiometric optical thermometry in NaCaY(MoO ₄ ) ₃ :Ho ³⁺ /Nd ³⁺ /Yb ³⁺ phosphor via simultaneous downshifting and upconversion

Zein El Abidine Aly Taleb Tarak Kallel Ikhlas Kachou Kamel Saidi Mohamed Dammak Irene Mediavilla J. Jimenez

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Key Points

The aim is to explore the effectiveness of dual-mode DC/UC phosphors for non-contact optical thermometry.
Used NaCaY(MoO4)3 doped with Ho3+, Nd3+, and Yb3+ phosphors.
Investigated down-conversion and up-conversion mechanisms simultaneously in thermometry applications.
Performed optical analysis to assess temperature sensitivity and response.
Demonstrated dual-mode capabilities enhance thermal measurement accuracy.
Findings suggest improved performance in non-contact temperature sensing applications.

Implication

Dual-mode phosphors enable non-contact optical thermometry, highlighting significant potential for advanced thermal sensing.

Abstract

Dual-mode down-/up-conversion (DC/UC) phosphors are promising substances for non-contact optical thermometry.

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Cite This Study

Taleb et al. (2026) studied this question.

synapsesocial.com/papers/69cf5fe05a333a821460eb0a https://doi.org/10.1039/d6tc00463f

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