کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5009795 | 1462045 | 2017 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Temperature sensing based on the cooperation of Eu3+ and Nd3+ in Y2O3 nanoparticles
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The improvement of temperature sensing performance for optical thermometers based on thermally coupled energy levels of a certain rare earth ion is constrained by the intrinsic operating principle. Here, a novel strategy has been presented for further improving the sensitivity by employing the cooperation of Eu3+ and Nd3+ in Y2O3 nanoparticles. Drastic temperature dependence of the fluorescence intensity ratio between Eu3+ and Nd3+ is achieved in the range from 300 to 510Â K. It is demonstrated that such dependence is attributed to the nephelauxetic effect of Eu3+ and each thermally coupled property of Eu3+ and Nd3+ as well as the energy transfer process from Eu3+ to Nd3+. We conclude that such strategy and the investigated nanoparticles have great potential for optical thermometry with high sensing performance.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Sensors and Actuators B: Chemical - Volume 246, July 2017, Pages 352-357
Journal: Sensors and Actuators B: Chemical - Volume 246, July 2017, Pages 352-357
نویسندگان
Shaoshuai Zhou, Xiantao Wei, Xinyue Li, Yonghu Chen, Changkui Duan, Min Yin,