In the last two decades, the only inorganic non-oxide materials that have attracted significant attention for incorporation in low power electrochromic displays are those belonging to the metal hexacyanoferrate (HCNF) family. In the HCNF family, Prussian Blue (PB) is by far the most studied electrochromic material. In contrast, Ruthenium Purple (RuP) has not been explored for electrochromic dis...
