(ii) compounds having the following structure: wherein R1 through R3 are independently selected from hydrogen, hydroxyl, amino, C1-C6 alkyl, C1-C6 alkoxy, halogen such as F, Cl, Br, etc., NO2; and wherein any two adjacent R1 through R3 may form a fused aryl ring; and combinations of (i) and (ii); wherein the components are in encapsulated form.