Exodo-metallofullerene microcrystals of SnI4 intercalated C60 architectures were fabricated by utilizing “coffee ring” effect during a simple drop-drying process, which self-assembles into a SnI4-fullerene hybrid structures on a pinned circle...
We observed the unusual crystal transformation from solid AgNO3 to Ag(I)‐encapsulated fullerene (C60) microcrystal by a coordination‐driven crystallization, when casting C60 solution on AgNO3 crystal. The strong binding of Ag+‐C60 ruptures electrostatic interactions within AgNO3 lattice, forming a binary hybrid material, which was characterized by XRD, Raman spectroscopy and mass spectrometry. Our results support the fact that AgNO3 crystal can directly interact with fullerene C60 molecules, other than through solvated metal cations. Two major factors, namely sturdy Ag+‐olefin interaction and an enclosed cage effect play the dominating roles in crystal transformation. Adding to the regular solution‐based crystallization, this facial protocol is expected to render an additional dimension in fabrication of exohedral metallofullerene architecture, regardless of solubility of metal cation in anti‐solvent.
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