Yuehong PENG, Weizhou REN, Jianbei QIU, Jin HAN, Zhengwen YANG, Zhiguo SONG. Upconversion Luminescence and Temperature Sensing Properties of Layered BiOCl: Er3+ under 1550 nm Excitation [J]. Journal of Inorganic Materials, 2020, 35(8): 902
- Journal of Inorganic Materials
- Vol. 35, Issue 8, 902 (2020)
1. XRD patternsof BiOCl with different Er3+ concentrations (a), effect of Er3+ concentration on the main diffraction peak near 2θ = 32º-34.5º (b), SEM image of BiOCl:Er3+(c), and the structure modelof BiOCl crystal (d)
2. UC spectra (a) of BiOCl with different Er3+ concentrations (from 1mol% to 5mol%) under 1550 nm excitation and the dependence of I red/I green on Er3+ concentrations (b)
3. Dependence of the UC emission on power (a), energy-level diagram of Er3+ and possible up-conversion mechanism of BiOCl:Er3+ under 1550 nm excitation (b)
4. Normalized up-conversion emission spectra of BiOCl:4mol%Er3+ under 1550 nm excitation at various temperatures (300-560 K) (a), relative intensities of 525, 542 and 670 nm emissions as a function of temperature (b), and the dependence of I red/I green on temperature (c)
5. Dependence of the fluorescence intensity ratio, the absolute sensitivity (S A) and the relative sensitivity (S R) on temperature
6. FT-IR (a) and EPR (b) spectra for BiOCl:Er3+ powders
|
Table 1. Maximum temperature sensitivity for several Er3+ doped UC materials
|
Table 2. Maximum temperature sensitivity for BiOCl with different Er3+ concentrations
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20