A novel pyrenophane incorporating macrocyclic tetraazathiapentalene is synthesised and characterised. The absorption and fluorescence spectra in CH2Cl2 clearly showed π–π interaction between two pyrene rings including pyrene excimer emission.
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Fluorescence lifetimes of 1, 2, and 3 in CH2Cl2 were obtained by single photon counting method (HORIBA NAES-550). 1; 20 and 6 ns, 2; 19 ns, 3; 31 ns.
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