掺杂镧系离子的铁电Bi4Ti3O12纳米片的电偏振增强光学测温。

IF 3.3 2区物理与天体物理 Q2 OPTICS Optics letters Pub Date : 2025-02-15 DOI:10.1364/OL.542243

Jiawen Wang, Lihui Huang, Shenghuang Lin, Shiqing Xu, Gongxun Bai

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摘要

光电集成对温度测量的需求促进了先进发光材料的研究。本文设计了用于光学测温的铁电Bi4Ti3O12:Yb3+/Er3+/Nd3+纳米片。通过电极化工程可以显著增强纳米片的跃迁发射。利用Nd3+和Er3+离子发射的荧光强度比，极化体系的绝对灵敏度和相对灵敏度分别为3.03 K-1和2.52% K-1。这些结果突出了镧系离子掺杂铁电纳米片的多波段发光和光电子耦合特性，并表明电场极化增强温度测量可以为增强光学传感能力提供参考。

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Electric polarization-enhanced optical thermometry in lanthanide ion-doped ferroelectric Bi₄Ti₃O₁₂ nanosheets.

The demand for temperature measurement in optoelectronic integration has prompted research on advanced luminescent materials. Here, ferroelectric Bi₄Ti₃O₁₂:Yb³⁺/Er³⁺/Nd³⁺ nanosheets were designed for optical thermometry. The transition emissions of nanosheets were significantly enhanced through electric polarization engineering. By utilizing the fluorescence intensity ratio of emissions from Nd³⁺ and Er³⁺ ions, the poled system achieved notable absolute and relative sensing sensitivities of 3.03 and 2.52% K^-1, respectively. These results highlight the multi-band luminescence and optoelectronic coupling characteristics of lanthanide ion-doped ferroelectric nanosheets and suggest that electric field polarization-enhanced temperature measurement can serve a reference for enhancing optical sensing capabilities.

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来源期刊

Optics letters 物理-光学

CiteScore

6.60

自引率

8.30%

发文量

2275

审稿时长

1.7 months

期刊介绍： The Optical Society (OSA) publishes high-quality, peer-reviewed articles in its portfolio of journals, which serve the full breadth of the optics and photonics community. Optics Letters offers rapid dissemination of new results in all areas of optics with short, original, peer-reviewed communications. Optics Letters covers the latest research in optical science, including optical measurements, optical components and devices, atmospheric optics, biomedical optics, Fourier optics, integrated optics, optical processing, optoelectronics, lasers, nonlinear optics, optical storage and holography, optical coherence, polarization, quantum electronics, ultrafast optical phenomena, photonic crystals, and fiber optics. Criteria used in determining acceptability of contributions include newsworthiness to a substantial part of the optics community and the effect of rapid publication on the research of others. This journal, published twice each month, is where readers look for the latest discoveries in optics.