Optical Temperature Sensor Using Infrared-to-Visible-Frequency Upconversion in Er 3+/Yb 3+−Codoped Bi3TiNbO9 Ceramics
CHEN Heng-Zhi1, YANG Bin1**, SUN Yan1, ZHANG Ming-Fu2, WANG Zhu1, ZHANG Rui1, ZHANG Zhi-Guo1, CAO Wen-Wu 1,3
1Center for Condensed Matter Science and Technology, Department of Physics, Harbin Institute of Technology, Harbin 150001 2Center for Composite Materials, Harbin Institute of Technology, Harbin 150001 3Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
Optical Temperature Sensor Using Infrared-to-Visible-Frequency Upconversion in Er 3+/Yb 3+−Codoped Bi3TiNbO9 Ceramics
CHEN Heng-Zhi1, YANG Bin1**, SUN Yan1, ZHANG Ming-Fu2, WANG Zhu1, ZHANG Rui1, ZHANG Zhi-Guo1, CAO Wen-Wu 1,3
1Center for Condensed Matter Science and Technology, Department of Physics, Harbin Institute of Technology, Harbin 150001 2Center for Composite Materials, Harbin Institute of Technology, Harbin 150001 3Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
摘要An optical temperature sensor based on infrared-to-visible upconversion emission in Er3+/Yb3+ co−doped Bi3TiNbØ9 (BTN) ceramics is reported. The fluorescence intensity ratio of the green upconversion photoluminescence (UC−PL) around 524 nm and 545 nm depends on temperature. The operating temperature range and the maximum sensitivity of Er3+/Yb3+ co−doped Bi3TiNbO9 ceramics are 123–693 K and 0.0032 K−1, respectively. BTN:Er3+/Yb3+ ceramic has good thermal, physical and chemical stability, great UC−PL intensity and low cost fabrication. The results imply that Er3+/Yb3+ co−doped Bi3TiNbO9 ceramic is promising for applications in wide-temperature-range sensors.
Abstract：An optical temperature sensor based on infrared-to-visible upconversion emission in Er3+/Yb3+ co−doped Bi3TiNbØ9 (BTN) ceramics is reported. The fluorescence intensity ratio of the green upconversion photoluminescence (UC−PL) around 524 nm and 545 nm depends on temperature. The operating temperature range and the maximum sensitivity of Er3+/Yb3+ co−doped Bi3TiNbO9 ceramics are 123–693 K and 0.0032 K−1, respectively. BTN:Er3+/Yb3+ ceramic has good thermal, physical and chemical stability, great UC−PL intensity and low cost fabrication. The results imply that Er3+/Yb3+ co−doped Bi3TiNbO9 ceramic is promising for applications in wide-temperature-range sensors.
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2011, Vol. 28 
