Add time:09/27/2019 Source:sciencedirect.com
This work reports the synthesis of 7-hydroxy-4-methylcoumarin tetrasubstituted Ruthenium (III)(4a), Indium (III)(4b), Tin (IV)(4c) phthalocyanines bearing axial chloride ligand for the first time. These new metallophthalocyanines show good solubility in many organic solvents. This study also investigates the photophysical (fluorescence quantum yield and lifetime) properties of compounds 4a, 4b and 4c. The fluorescence of these three metallophthalocyanines is effectively quenched by the addition of 1,4-benzoquinone (BQ). The thermal stability studies indicate that both 4a and 4b are stable up to 300 °C.
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