ORGANIC POLYMERIC MULTI-METALLIC COMPOSITES
Organic polymeric multi-metallic alkoxide or aryloxide composites are used as dielectric materials in various devices with improved properties such as improved mobility. These composites comprise an organic polymer comprising metal coordination sites, and multi-metallic alkoxide or aryloxide molecules that are coordinated with the organic polymer, the multi-metallic alkoxide or aryloxide molecules being represented by: (M) n (OR) x wherein at least one M is a metal selected from Group 2 of the Periodic Table and at least one other M is a metal selected from any of Groups 3 to 12 and Rows 4 and 5 of the Periodic Table, n is an integer of at least 2, R represents the same or different alkyl or aryl groups, and x is an integer of at least 2.
1 . An organic polymeric multi-metallic alkoxide or aryloxide composite, comprising:
an organic polymer comprising metal coordination sites, and
multi-metallic alkoxide or aryloxide molecules that are coordinated with the organic polymer, the multi-metallic alkoxide or aryloxide molecules being represented by:
(M) n (OR) x
wherein at least one M is a metal selected from Group 2 of the Periodic Table and at least one other M is a metal selected from any of Groups 3 to 12 and Rows 4 and 5 of the Periodic Table, n is an integer of at least 2, R represents the same or different alkyl or aryl groups, and x is an integer of at least 2.
2 . The organic polymeric multi-metallic alkoxide or aryloxide composite of claim 1 , wherein the organic polymer comprising metal coordination sites is a poly(meth)acrylate, polyester, or poly(vinyl pyridine).
3 . The organic polymeric multi-metallic alkoxide or aryloxide composite of claim 1 , wherein the molar ratio of the M metal selected from Group 2 of the Periodic Table to the M metal selected from any of Groups 3 to 12 of the Periodic Table, is at least 0.5:1 to and including 10:1.
4 . The organic polymeric multi-metallic alkoxide or aryloxide composite of claim 1 , wherein the M metal selected from Group 2 of the Periodic Table is barium, strontium, calcium, or a combination thereof.
5 . The organic polymeric multi-metallic alkoxide or aryloxide composite of claim 1 , wherein the M metal selected from any of Groups 3 to 12 and Rows 4 and 5 of the Periodic Table is titanium, zirconium, nickel, copper, zinc, palladium, silver, or lanthanum, or a combination thereof.
6 . The organic polymeric multi-metallic alkoxide or aryloxide composite of claim 1 , wherein the alkoxide comprises a substituted or unsubstituted alkyl group having 1 to 24 carbon atoms, and the aryloxide comprises a substituted or unsubstituted phenyl group.
7 . The organic polymeric multi-metallic alkoxide or aryloxide composite of claim 1 , wherein n is an integer of 2 to and including 4, and x is an integer of at least 2 to and including 4.
8 . A method of making the organic polymeric multi-metallic alkoxide or aryloxide composite of claim 1 , comprising:
mixing a non-aqueous solution of an organic polymer comprising metal coordination sites with a multi-metallic alkoxide or aryloxide in an organic solvent, and
removing the organic solvent.
9 . The method of claim 8 , wherein either the mixing or the organic solvent removing, or both, are carried out at a temperature of at least 30° C.
10 . The method of claim 8 , wherein the organic polymeric multi-metallic alkoxide or aryloxide composite is made in the form of a solid film.
11 . The method of claim 8 , wherein the organic polymeric multi-metallic alkoxide or aryloxide composite comprises:
an organic polymer comprising metal coordination sites, and
multi-metallic alkoxide or aryloxide molecules that are coordinated with the organic polymer, the multi-metallic alkoxide or aryloxide molecules being represented by:
(M) n (OR) x
wherein:
the organic polymer comprising metal coordination sites is a poly(meth)acrylate, polyester, or poly(vinyl pyridine),
the molar ratio of the M metal selected from Group 2 of the Periodic Table to the M metal selected from any of Groups 3 to 12 of the Periodic Table, is at least 2:1 to and including 1:1,
wherein the M metal selected from Group 2 of the Periodic Table is barium, strontium, or calcium, or a combination thereof,
the M metal selected from any of Groups 3 to 12 and Rows 4 and 5 of the Periodic Table is titanium, zirconium, nickel, copper, zinc, palladium, silver, lanthanum, or a combination thereof,
the alkoxide comprises a substituted or unsubstituted alkyl group having 1 to 8 carbon atoms, and the aryloxide comprises a substituted or unsubstituted phenyl, and
n is an integer of at least 2 to and including 4, and x is an integer of at least 2 to and including 4.