Abstract

Two sets of pinene-fused (N^C^N)Pt isocyanide complexes have been prepared and characterized. Complexes (−)-1 and (−)-2 form supramolecular self-assemblies via intermolecular Pt⋯Pt and/or π–π interactions in H2O solution, which is verified by the 1H NMR signals, SEM morphologies and RLS spectra. All the complexes are emissive in solution and show AIE behaviors in mixed MeOH/H2O solutions with emission quantum yield (Φem) up to 43.89%. The introduction of –F in phosphorescent (N^C^N)Pt skeleton would facilitate a high degree of polymerization for the assemblies, inducing a red-shift of emission maximum and an improvement of Φem. Moreover, complex (−)-2 with –F substitute possesses a helical structure with greater helicity, showing more significant CPL activity.

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