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A luminescent supramolecular Cu<sub>2</sub>I<sub>2</sub>(NH<sub>3</sub>)<sub>2</sub>-sandwiched Cu<sub>3</sub>(pyrazolate)<sub>3</sub> adduct as a temperature sensor
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Citations
40
References
2018
Year
A highly luminescent supramolecular Cu<sub>2</sub>I<sub>2</sub>(NH<sub>3</sub>)<sub>2</sub>-sandwiched Cu<sub>3</sub>(pyrazolate)<sub>3</sub> adduct was reported as a temperature sensor. The adduct is stabilized by the synergy of intermolecular Cu<sub>3</sub>I (π acidbase), CuCu and NH interactions, to form a Cu<sub>8</sub>I<sub>2</sub> cluster. The emission intensity exhibits a temperature-dependent effect in the solid state with a sensitivity of -0.685% K<sup>-1</sup>. DFT and TDDFT calculations revealed that the luminescence originates from the triplet state of Cu<sub>8</sub>I<sub>2</sub> cluster-centered charge transfer (<sup>3</sup>CC).
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