A composition comprising: a) a metal component selected from a group chosen from at least one polyoxometalate, at least one heteropolyoxometalate and a mixture thereof; preferably comprising a metal atom chosen from tungsten, molybdenum, chromium, tantalum, niobium, or vanadium, b) at least one organic component, where the organic component is chosen from the group consisting of mixtures of i) with ii), iii) and/or iv), wherein, i) is a 4-hydroxyphenyl containing polymer comprising repeat unit of structure (II); wherein R 1 is chosen from hydrogen or C 1 -C 4 alkyl; ii) is a 4-hydroxyphenyl containing compound having structure (III), wherein X is chosen from a group selected from a direct valence bond, phenylene, C 1 -C 8 linear or branched alkylene, C 3 -C 8 cycloalkylene, sulfone, acetylene, oxygen, carbonyl and mixtures thereof; iii) is a 4-hydroxyphenyl containing compound having structure (IV), wherein R 2 and R 3 are independently chosen from the group consisting of hydrogen, C 1 -C 8 alkyl, C 3 -C 12 branched alkyl, C 3 -C 8 cycloalkyl, C 6 -C 12 alicyclic alkyl and mixtures thereof; and, iv) is a 4-hydroxyphenyl containing compound having structure (V), wherein R 4 is chosen from the group consisting of hydrogen, C 1 -C 8 alkyl, C 3 -C 12 branched alkyl, C 3 -C 8 cycloalkyl C 6 -C 12 alicyclic alkyl, phenyl, 4-hydroxyphenyl and mixtures thereof, c) at least one solvent. a) a metal component selected from a group chosen from at least one polyoxometalate, at least one heteropolyoxometalate and a mixture thereof; preferably comprising a metal atom chosen from tungsten, molybdenum, chromium, tantalum, niobium, or vanadium, b) at least one organic component, where the organic component is chosen from the group consisting of mixtures of i) with ii), iii) and/or iv), wherein, i) is a 4-hydroxyphenyl containing polymer comprising repeat unit of structure (II); wherein R 1 is chosen from hydrogen or C 1 -C 4 alkyl; ii) is a 4-hydroxyphenyl containing compound having structure (III), wherein X is chosen from a group selected from a direct valence bond, phenylene, C 1 -C 8 linear or branched alkylene, C 3 -C 8 cycloalkylene, sulfone, acetylene, oxygen, carbonyl and mixtures thereof; iii) is a 4-hydroxyphenyl containing compound having structure (IV), wherein R 2 and R 3 are independently chosen from the group consisting of hydrogen, C 1 -C 8 alkyl, C 3 -C 12 branched alkyl, C 3 -C 8 cycloalkyl, C 6 -C 12 alicyclic alkyl and mixtures thereof; and, iv) is a 4-hydroxyphenyl containing compound having structure (V), wherein R 4 is chosen from the group consisting of hydrogen, C 1 -C 8 alkyl, C 3 -C 12 branched alkyl, C 3 -C 8 cycloalkyl C 6 -C 12 alicyclic alkyl, phenyl, 4-hydroxyphenyl and mixtures thereof, i) is a 4-hydroxyphenyl containing polymer comprising repeat unit of structure (II); wherein R 1 is chosen from hydrogen or C 1 -C 4 alkyl; ii) is a 4-hydroxyphenyl containing compound having structure (III), wherein X is chosen from a group selected from a direct valence bond, phenylene, C 1 -C 8 linear or branched alkylene, C 3 -C 8 cycloalkylene, sulfone, acetylene, oxygen, carbonyl and mixtures thereof; iii) is a 4-hydroxyphenyl containing compound having structure (IV), wherein R 2 and R 3 are independently chosen from the group consisting of hydrogen, C 1 -C 8 alkyl, C 3 -C 12 branched alkyl, C 3 -C 8 cycloalkyl, C 6 -C 12 alicyclic alkyl and mixtures thereof; and, iv) is a 4-hydroxyphenyl containing compound having structure (V), wherein R 4 is chosen from the group consisting of hydrogen, C 1 -C 8 alkyl, C 3 -C 12 branched alkyl, C 3 -C 8 cycloalkyl C 6 -C 12 alicyclic alkyl, phenyl, 4-hydroxyphenyl and mixtures thereof, c) at least one solvent. <EOS>