Patent ID: 7097858

Claim:
A modified polyoxometalate, wherein the modified polyoxometalate comprises the admixture of: (1) a pre-modified polyoxometalate selected from the group consisting of H 5 PV 2 Mo 10 O 40 , Na 5 PV 2 Mo 10 O 40 , Li 5 PV 2 Mo 10 O 40 , K 5 PV 2 Mo 10 O 40 , and combinations thereof; and (2) one member selected from the group consisting of (i) (NH 4 ) 2 Ce(NO 3 ) 6 , (ii) combination of (NH 4 ) 2 Ce(NO 3 ) 6 and HAuCl 4 , (iii) combination of (NH 4 ) 2 Ce(NO 3 ) 6 and H 2 PtCl 6 , and (iv) AgNO 3 ; wherein (1) and (2) do not react with one another.