摘要
We report a nano-thermometer based on ratiometric method of green 530 and 550 nm luminescence of Er3+/Yb3+-codoped NaGd(WO4)2 nanocrystals for temperature sensing of biological tissues and cells. The thermometer has simple structure and displays excellent sensing performance with a relative sensitivity 1.2% K−1, a thermal resolution 0.5 K at the physiological temperature 310 K, and a large signal-to-noise ratio. In parallel, the luminescence temperature characteristics were also studied by a spectrometer, and consistent results were obtained.
| 源语言 | 英语 |
|---|---|
| 页(从-至) | 337-340 |
| 页数 | 4 |
| 期刊 | Materials Letters |
| 卷 | 218 |
| DOI | |
| 出版状态 | 已出版 - 1 5月 2018 |
| 已对外发布 | 是 |
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