Amyloid‐like Nano‐fibrillation of Metal–Organic Complex Arrays Ruled by Their Precisely Designed Metal Sequences
2020
Self-assembly of a series of dimetallic sequences constructed on a backbone with two successive tyrosine moieties (Fmoc-M(1) -M(2) -CO2 H) revealed that the resultant morphology is clearly dependent on the metal sequence, where Re-containing sequences such as homometallic Fmoc-Re-Re-CO2 H specifically afforded amyloid-like nanofibers. These findings further allowed to achieve the fibrillation of a longer metal sequence containing three different metals (Fmoc-Rh-Pt-Re-Re-CO2 H). Cyclic voltammetry of the fibrillated Fmoc-Re-Re-CO2 H demonstrated that the redox activity of the metal complexes in the sequence is preserved in the nanofibrous forms.
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