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A dual-emitting Cu6-Cu2-Cu6 cluster as a self-calibrated, wide-range luminescent molecular thermometer
Jun-Hao Wang1, Mian Li, Ji Zheng
1Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Guangdong 515063, P. R. China. xchuang@stu.edu.cn dli@stu.edu.cn.
Abstract:
A tetradecanuclear copper(I) cluster compound, namely [Cu6L3(Cu2I2)Cu6L3] (H2L = 3,5-bis((3,5-dimethyl-pyrazol-4-yl)methyl)-2,6-dimethylpyridine), is synthesized. The high thermal stability, well-resolved blue/red dual emissions and two-way luminescent thermochromism warrant its self-calibrated temperature sensing ability, covering a wide range (120-450 K). These promising results are supported by combined structural, spectral and computational studies.
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