Achieving high thermal sensitivity from ratiometric CaGdAlO4:Mn4+,Tb3+ thermometers
| العنوان: | Achieving high thermal sensitivity from ratiometric CaGdAlO4:Mn4+,Tb3+ thermometers |
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| المؤلفون: | Zhang Yuepin, Yuanpeng Zhang, Yuyin Fang, Jianxu Hu |
| المصدر: | Dalton Transactions. 50:13447-13458 |
| بيانات النشر: | Royal Society of Chemistry (RSC), 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | Inorganic Chemistry, Lanthanide, Materials science, Dopant, Transition metal, business.industry, Thermometer, Thermal, Optoelectronics, Sensitivity (control systems), Luminescence, business, Ion |
| الوصف: | The pursuit of optical temperature sensing with high thermal sensitivity to discriminate small temperature changes without contact with the subject possesses a crucial technological and scientific significance. Ratiometric temperature detection based on transition metals and lanthanides emerges as a promising strategy to achieve the purpose due to the dopants' distinct thermal quenching rates. In this work, a new CaGdAlO4:Mn4+,Tb3+ luminescent thermometer was developed. The combination of the highly-thermal-sensitive red emission from Mn4+ ions with the thermally-robust green emission from Tb3+ ions renders the thermometer with a maximum relative thermal sensitivity of 2.3% K-1 at 398 K. The well-separated red and green channels in digital images enable further evaluation of thermal sensitivity. The estimated thermal sensitivity is 2.23% K-1 at 398 K from the pixel intensity ratio of red and green channels. |
| تدمد: | 1477-9234 1477-9226 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::1a00129d27c0e6e987e38201c7b34c69 https://doi.org/10.1039/d1dt02185k |
| حقوق: | CLOSED |
| رقم الأكسشن: | edsair.doi...........1a00129d27c0e6e987e38201c7b34c69 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 14779234 14779226 |
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