Patent ID: 7670510

Claim:
An adduct comprising a carbon nanotube and a transitional metal coordination complex, wherein the metal of the complex is attached by a covalent linkage to at least one oxygen moiety on the nanotube, and wherein the transitional metal coordination complex is selected from the group consisting of Wilkinson's complex, [Ag(NH 3 ) 2 ] + , [Cu(NH 3 ) 4 ] 2+ , [Fe(CN) 6 ] 4− , [Fe(CN) 6 ] 3− , [Co(NH 3 ) 6 ] 3+ , [Pt(NH 3 ) 2 Cl 2 ], [Cr(ethylenediamine) 3 ] 3+ , [Pt(NH 3 ) 4 ] 2+ , Fe(C 5 H 5 ) 2 , Ni(C 5 H 5 ) 2 , [PdCl 4 ] 2− , Cr(CO) 6 , [Ni(NH 3 ) 6 ] 2+ , [CoF 6 ] 3− , [Pt(ethylenediamine) 2 Cl 2 ]Br 2 , [Co(NH 3 ) 4 (SCN)Br]Cl, [Fe(H 2 O) 6 ] 3+ , [CeCl 6 ] 2− , [La(acetylacetone) 3 (H 2 O) 2 ], [Nd(H 2 O) 9 ] 3+ , [Er(NCS) 6 ], [Lu(2,6-dimethylphenyl) 4 ] − and [Ho(tropolonate) 4 ] − .