fig17
Figure 17. (A-D) TEM image of etched product obtained after reaction of 20 mg Ni-Co PBA cubes with 2.5 mL of ammonia at room temperature for (A) 0 h, (B) 0.5 h, (C) 2 h, and (D) 6 h. (E) The corresponding schematic illustrates the formation of a Ni-Co PBA cage. (A-E) Adapted with permission[239]. Copyright 2016, John Wiley and Sons. PBA: Prussian blue analogues.
