2D Sheet of Porous Metal-Organic Framework
Porous metal-organic framework (MOF) crystal is obtained by precipitation after mixing an aqueous solution of cadmium nitrate and the solution of 4,4’-bipyridine in anhydrous ethanol. It is found that the crystallization occurred when ethanol evaporated from the mixture. As a result, 4,4-bipyridine became supersaturated and complexed with Cd forming an infinite two-dimensional sheet as shown in Figure 1.
The cavity of this 2D sheet is occupied by nitrate ion and water molecules as illustrated by Figure 2.
SEM images of what is believed to be the 2D sheet of the porous MOF crystals for [Cd(4,4’-bpy)2]n are shown below.
