دورية أكاديمية
أعرض في EDS

A new generation of dual-mode optical thermometry based on ZrO2:Eu3+ nanocrystals

التفاصيل البيبلوغرافية
العنوان: A new generation of dual-mode optical thermometry based on ZrO2:Eu3+ nanocrystals
المؤلفون: Zhou Jun, Lei Ruoshan, Wang Huanping, Hua Youjie, Li Denghao, Yang Qinghua, Deng Degang, Xu Shiqing
المصدر: Nanophotonics, Vol 8, Iss 12, Pp 2347-2358 (2019)
بيانات النشر: De Gruyter, 2019.
سنة النشر: 2019
المجموعة: LCC:Physics
مصطلحات موضوعية: temperature sensing, valley-to-peak ratio, decay lifetime, nanocrystals, rare earth ion, Physics, QC1-999
الوصف: For achieving well-performing optical thermometry, a new type of dual-mode optical thermometer is explored based on the valley-to-peak ratio (VPR) and fluorescence lifetime of Eu3+ emissions in the ZrO2:Eu3+ nanocrystals with sizes down to 10 nm. In the VPR strategy, the intensity ratio between the valley (600 nm) generated by the emission band overlap and the 606 nm peak (5D0→7F2), which is highly temperature sensitive, is employed, giving the maximum relative sensing sensitivity (Sr) of 1.8% K−1 at 293 K and good anti-interference performance. Meanwhile, the 606 nm emission exhibits a temperature-dependent decay lifetime with the highest Sr of 0.33% K−1 at 573 K, which is due to the promoted nonradiative relaxation with temperature. These results provide useful information for constructing high-performance dual-mode optical thermometers, which may further stimulate the development of photosensitive nanomaterials for frontier applications.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 2192-8606
2192-8614
Relation: https://doaj.org/toc/2192-8606; https://doaj.org/toc/2192-8614
DOI: 10.1515/nanoph-2019-0359
URL الوصول: https://doaj.org/article/8e5d044a88a14dbfa3fe73d4739335b2
رقم الأكسشن: edsdoj.8e5d044a88a14dbfa3fe73d4739335b2
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:21928606
21928614
DOI:10.1515/nanoph-2019-0359