Abstract
AbstractWe synthesized a long‐chain phenylazopyridine ligand and used it to obtain three new amphiphilic trinuclear ruthenium acetate clusters. The amphiphilicity and anisometric form of the long‐chain ligand allowed the complexes to self‐assemble at the liquid–air interface and enabled their deposition by the Langmuir–Blodgett technique. We obtained the linear complex [Ru3O(C2H3O2)6(py)2L]+ [L = 4‐(4‐dodecyloxyphenylazo)pyridine, py = pyridine], which was more stable than the triangular [Ru3O(C2H3O2)6L3]+ and more suitable for application in electrochromic switching devices, as attested by its fast switching and optical changes in the near‐IR region. Indeed, our electrochromic device remained stable for hundreds of switching cycles.
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