Synthesis and upconversion emission studies of CaYF5:Ho3+/Yb3+ phosphor and its applications in optical thermometry, fingerprint detection, and security ink.

RSC Adv · 2023 · PMC10031573 · PMID 36968031

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a decreasing trendno p-value reported

Generally, a decreasing trend of upconversion emission intensity has been observed with an increase in temperature and it is termed thermal quenching.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.

Synthesis and upconversion emission studies of CaYF<sub>5</sub>:Ho<sup>3+</sup>/Yb<sup>3+</sup> phosphor and its applications in optical thermometry, fingerprint detection, and security ink.

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