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A Ratiometric Luminescent Thermometer Co-doped with Lanthanide and Transition Metals
Zhiqiang Li1, Zhaohui Hou1, Denghui Ha1
1School of Chemical Engineering and Technology, Hebei University of Technology, Guang Rong Dao 8, Hongqiao District, Tianjin, 300130, P. R. China.
Abstract:
Herein, we report the fabrication of a sensitive ratiometric and colorimetric luminescent thermometer with a wide operating-temperature range, from cryogenic temperatures up to high temperatures, through the combination of lanthanide and transition metal complexes. Benefiting from the transition metal complex as a self-reference, the lanthanide content in the mixed-coordination complex, Eu0.05(Mebip-mim bromine)0.15Zn0.95(Mebip-mim bromine)1.9, was lowered to 5%.

