Patent ID: 8221879

Claim:
A functionalized Si/Ge surface, the Si/Ge surface being selected from the group consisting of silicon nitride, silicon carbide, germanium nitride, germanium carbide and silicon germanium surfaces, wherein the Si/Ge surface is covalently bonded to moieties being represented by the general formula (1): wherein A is a linear, branched or cyclic alkylene or alkenylene group having 2 to 24 carbon atoms, the alkenylene group being a 1-alkenylene or an internal alkenylene group; B is a functional group selected from: —CH═CR 2 R 3 , —C≡C 2 , —XR 2 , —N(R 2 ) 2 , —NR 2 —C(O)—N(R 2 ) 2 , —O—[(C(R 4 ) 2 ) p O] q —R 2 , —C(X)XR 1 , —C(X)NR 2 R 3 , —S(O)OR 1 , —S(O) 2 OR 1 , —S(O)NR 2 R 3 , —S(O) 2 NR 2 R 3 , —P(O)(R 1 )(OR 1 ), —P(O)(OR 1 ) 2 , —CN, —Cl, —Br, —I, —NCX, —XCN, a group of the general formula (2) and tautomers thereof: or a group of the general formula (3) and tautomers thereof: wherein R 1 is a linear, branched or cyclic alkyl group having 1 to 12 carbon atoms a phenyl group, an alkaryl group having 7 to 12 carbon atoms, or an arylalkyl group having 7 to 12 carbon atoms, wherein the alkyl, phenyl, alkaryl and arylalkyl groups may be substituted with one or more of F or Cl; R 2 and R 3 are independently hydrogen or a group as defined for R 1 ; R 4 is independently selected from hydrogen or C 1 -C 4 alkyl; R 5 is independently selected from hydrogen, —OH and —NH 2 ; R* is a group as defined for R 1 or selected from the group consisting of DNA, ethylene oxide propylene oxide polymers, sugars, peptides and fragments thereof; p is an integer in the range of 2-4; q is an integer in the range of 1 to 500; X is independently O or S; n is an integer in the range of 1 to 3; and wherein the Si/Ge surface is functionalized by reacting with ω-functionalized alkene or alkyne.