Photophysical and Theoretical Interpretation of the Insensitive Emission to Temperature of a Metallopolymer Containing Europium Ion.
2020
The luminescence and thermochromic properties of a europium containing metallopolymer were investigated in experimental and theoretical aspects using the same polymer backbone complexed with two different contents of europium ion (25 and 65% molar). The polymer presented an emission insensitive to temperature variation which was attributed to a balance between two factors. The first is the "stiffening effect" on the polymer backbone brought about by ion complexation. The second is the interconnection of the alkyl chains due the rotation of the bipyridine sites required for the complexation.
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