Direct transformation of AgNO(3)complex encapsulated Fullerene (C-60) microcrystal on solid silver Nitrate Crystal without organic Ligands

摘要

We observed the unusual crystal transformation from solid AgNO(3)to Ag(I)-encapsulated fullerene (C-60) microcrystal by a coordination-driven crystallization, when casting C(60)solution on AgNO(3)crystal. The strong binding of Ag+-C(60)ruptures electrostatic interactions within AgNO(3)lattice, forming a binary hybrid material, which was characterized by XRD, Raman spectroscopy and mass spectrometry. Our results support the fact that AgNO(3)crystal can directly interact with fullerene C(60)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.