期刊
ADVANCED SCIENCE
卷 9, 期 23, 页码 -出版社
WILEY
DOI: 10.1002/advs.202201631
关键词
heating; mechanoluminescence; thermometry; ultrasonic
资金
- European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program (ERC grant UTOPES) [681652]
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy [EXC 2051, 390713]
- Projekt DEAL
The ultrasound-induced mechanoluminescence (USML) of Erbium-doped CaZnOS is reported in this study. The fluorescence intensity ratio of Er3+'s transitions allows for simultaneous temperature mapping with high sensitivity. The combination of USML, local heating, and remote read-out enables highly controlled stimulation with independent control of light emission and ultrasonic heating.
Ultrasound-induced mechanoluminescence (USML) of Erbium-doped CaZnOS is reported. Using the fluorescence intensity ratio of the H-2(11/2), S-4(3/2) -> I-4(15/2) transitions of Er3+ allows for simultaneous temperature mapping at an absolute sensitivity of 0.003 K-1 in the physiological regime. The combination of USML, local heating, and remote read-out enables a feedback and response loop for highly controlled stimulation. It is found that ML is a result of direct energy transfer from the host material to Er3+, giving room for adapted spectral characteristics through bandgap modulation. ML saturation at high acoustic power enables independent control of local light emission and ultrasonic heating. Such USML materials may have profound implications for optogenetics, photodynamic therapy and other areas requiring local illumination, heating, and thermometry simultaneously.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据