DataVXACS Applied Materials & InterfacesPaper
journal article·2019-03-13

Li4SrCa(SiO4)2:Eu2+: A Potential Temperature Sensor with Unique Optical Thermometric Properties

Rui Shi, Lixin Ning, Yan Huang, Ye Tao, Lirong Zheng, Zhibing Li, Hongbin Liang

ACS Applied Materials & Interfaces· Volume 11· Issue 10
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Source abstract

Abstract

Investigations on luminescence properties of lanthanide-activated phosphors are not only essential to understanding the fundamental structure-property relationship but also important to advancing the development and application of relevant research techniques. We report herein a promising optical thermometric material Eu2+-doped Li4SrCa(SiO4)2 utilizing the different sensitivities of EuSr2+ and EuCa2+ emission intensities to temperature. A unique evolution of Eu2+ luminescence in the as-prepared sample is identified under the simultaneous action of UV illumination and thermal treatment. The maximum relative sensitivities are 2.87% K-1 (at 440 K) and 1.51% K-1 (at 460 K) for the as-prepared and illuminated samples, respectively. These temperature sensing features reflect a great potential of Eu2+-doped Li4SrCa(SiO4)2 for applications in the optical thermometry field.
Source: europepmc · Quality: candidate unverified · Source record ↗

Research context

OpenAlex topics: Luminescence Properties of Advanced Materials · Perovskite Materials and Applications · Solid-state spectroscopy and crystallography

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics, School of Chemistry, Sun Yat-sen University, Guangzhou 510275, China

Anhui Key Laboratory of Optoelectric Materials Science and Technology, Key Laboratory of Functional Molecular Solids, Ministry of Education, Department of Physics, Anhui Normal University, Wuhu, Anhui 241000, China

Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China

Funding

National Natural Science Foundation of China · China Postdoctoral Science Foundation · Guangdong Science and Technology Department

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