Abstract
A series of dithienopyrrole (DTP) embedded BODIPYs were synthesized and structurally characterized. These BODIPYs have strong absorption in the green region and broad emission in the red region with a large Stokes shift ranging from 3100 to 4200 cm-1. Interestingly, all three BODIPYs show intramolecular charge transfer interaction (ICT). Intriguingly, both BODIPYs (bis- and tris-BOD) also exhibit excited state symmetry breaking (ES-SB). Single-crystal X-ray analysis unambiguously confirmed the exact structures of all three structurally distinct BODIPYs.
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