A plasma system comprising: a plasma device including at least one electrode; an ionizable media source coupled to the plasma device and configured to supply ionizable media thereto; a precursor source configured to supply at least one precursor feedstock; and a power source coupled to the at least one electrode, wherein either: the ionisable media source and the precursor source are coupled to the plasma device via tubing (13a,13b), whereby the precursor source is configured to supply the at least one precursor feedstock to the plasma device; and the power source is configured to ignite the ionizable media and the at least one precursor feedstock at the plasma device to form a plasma effluent; or the power source is configured to ignite the ionizable media at the plasma device to form a plasma effluent; the precursor source includes a nebulizer configured to nebulize the at least one precursor feedstock to form an aerosol spray; and the plasma device further comprises an applicator coupled to the precursor source, the applicator directing the aerosol spray into the plasma effluent; wherein the plasma system is characterized in that the at least one precursor feedstock includes at least one catalyst material selected from the group consisting of ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, gold, nickel, copper, cobalt, iron, and oxides and bimetal combinations thereof. a plasma device including at least one electrode; an ionizable media source coupled to the plasma device and configured to supply ionizable media thereto; a precursor source configured to supply at least one precursor feedstock; and a power source coupled to the at least one electrode, wherein either: the ionisable media source and the precursor source are coupled to the plasma device via tubing (13a,13b), whereby the precursor source is configured to supply the at least one precursor feedstock to the plasma device; and the power source is configured to ignite the ionizable media and the at least one precursor feedstock at the plasma device to form a plasma effluent; or the power source is configured to ignite the ionizable media at the plasma device to form a plasma effluent; the precursor source includes a nebulizer configured to nebulize the at least one precursor feedstock to form an aerosol spray; and the plasma device further comprises an applicator coupled to the precursor source, the applicator directing the aerosol spray into the plasma effluent; wherein the plasma system is characterized in that the at least one precursor feedstock includes at least one catalyst material selected from the group consisting of ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, gold, nickel, copper, cobalt, iron, and oxides and bimetal combinations thereof. the ionisable media source and the precursor source are coupled to the plasma device via tubing (13a,13b), whereby the precursor source is configured to supply the at least one precursor feedstock to the plasma device; and the power source is configured to ignite the ionizable media and the at least one precursor feedstock at the plasma device to form a plasma effluent; or the power source is configured to ignite the ionizable media at the plasma device to form a plasma effluent; the precursor source includes a nebulizer configured to nebulize the at least one precursor feedstock to form an aerosol spray; and the plasma device further comprises an applicator coupled to the precursor source, the applicator directing the aerosol spray into the plasma effluent; wherein the plasma system is characterized in that the at least one precursor feedstock includes at least one catalyst material selected from the group consisting of ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, gold, nickel, copper, cobalt, iron, and oxides and bimetal combinations thereof. the precursor source includes a nebulizer configured to nebulize the at least one precursor feedstock to form an aerosol spray; and the plasma device further comprises an applicator coupled to the precursor source, the applicator directing the aerosol spray into the plasma effluent; wherein the plasma system is characterized in that the at least one precursor feedstock includes at least one catalyst material selected from the group consisting of ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, gold, nickel, copper, cobalt, iron, and oxides and bimetal combinations thereof.