Lanthanide-doped bismuth-based nanophosphors for ratiometric upconversion optical thermometry.

Jun Du, Jinliang Liu, Ying Chen, Yuefeng Zhao, Yuhao Li, Yuqing Miao

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Article in RSC advances, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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6 authors.

Jun DuSchool of Materials and Chemistry, Institute of Bismuth and Rhenium Science, University of Shanghai for Science and Technology Shanghai 200093 China yhli@usst.edu.cn yqmiao@usst.edu.cn.

Jinliang LiuSchool of Materials and Chemistry, Institute of Bismuth and Rhenium Science, University of Shanghai for Science and Technology Shanghai 200093 China yhli@usst.edu.cn yqmiao@usst.edu.cn.

Ying ChenSchool of Materials and Chemistry, Institute of Bismuth and Rhenium Science, University of Shanghai for Science and Technology Shanghai 200093 China yhli@usst.edu.cn yqmiao@usst.edu.cn.

Yuefeng ZhaoSchool of Materials and Chemistry, Institute of Bismuth and Rhenium Science, University of Shanghai for Science and Technology Shanghai 200093 China yhli@usst.edu.cn yqmiao@usst.edu.cn.

Yuhao LiSchool of Materials and Chemistry, Institute of Bismuth and Rhenium Science, University of Shanghai for Science and Technology Shanghai 200093 China yhli@usst.edu.cn yqmiao@usst.edu.cn.ORCID https://orcid.org/0000-0001-7146-8645

Yuqing MiaoSchool of Materials and Chemistry, Institute of Bismuth and Rhenium Science, University of Shanghai for Science and Technology Shanghai 200093 China yhli@usst.edu.cn yqmiao@usst.edu.cn.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Nanothermometry could realize stable, efficient, and noninvasive temperature detection at the nanoscale. Unfortunately, most applications of nanothermometers are still limited due to their intricate synthetic process and low-temperature sensitivity. Herein, we reported a kind of novel bismuth-based upconversion nanomaterial with a fast and facile preparation strategy. The bismuth-based upconversion luminophore was synthesized by the co-precipitation method within 1 minute. By optimizing the doping ratio of the sensitizer Yb ion and the activator Er ion and adjusting the synthetic solvent strategy, the crystallinity of the nanomaterials was increased and the upconversion luminescence intensity was improved. Ratiometric upconversion optical measurements of temperature in the range of 278 K to 358 K can be achieved by ratiometric characteristic emission peaks of thermally sensitive Er ion. This method of rapidly constructing nanometer temperature probes provides a feasible strategy for the construction of novel fluorescent temperature probes.

Identifiers

PMID35424804

DOI10.1039/d2ra01181f

PMCPMC8985227

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