Affiliation:
1. Key Laboratory of Metallurgical Emission Reduction & Resources Recycling, Anhui University of Technology, Ministry of Education Maanshan PR China
2. School of Microelectronics & Data Science Anhui University of Technology Maanshan China
3. Physics Experiment Teaching Center School of Physical Sciences University of Science and Technology of China Hefei China
4. Analysis and Testing Central Facility Anhui University of Technology Maanshan China
Abstract
AbstractA series of glass ceramic samples precipitated with Ca2(Mg0.5Al0.5)(Si1.5Al0.5O7): Yb3+, Er3+ nanoparticles were synthesized by the melt quenching method to effectively recycle blast furnace slag. Their structures, morphologies, and luminescent properties were comprehensively investigated using X‐ray diffraction, transmission electron microscopy, and photoluminescence, respectively. The impact of adding Al2O3/SiO2 to the blast furnace slag raw material on the transmittance, hardness, and luminescent properties of the glass‐ceramics was analyzed. Upon excitation with a 980 nm laser, all glass‐ceramic samples emitted strong Er3+ upconversion luminescence at 526, 549, and 650 nm. Moreover, the addition of Yb3+ ions significantly enhanced the luminescent intensity. A dual‐mode temperature sensor based on fluorescence intensity ratios was realized using a single luminescent center. All results indicate that the glass ceramic samples prepared from blast furnace slag are potentially promising for self‐referential optical temperature measurement.