Patent ID: 8124179

Claim:
A process for preparation of a thin film of an organic-inorganic nature on a substrate by an atomic layer deposition (ALD) technique comprising the following steps: a) contacting the substrate with a pulse of an inorganic precursor selected from the group consisting of metal alkyls, metal cycloalkyls, metal aryls, metal amine, metal silylamine, metal halogenides, metal carbonyls and metal chelates, where the metal is selected from the group consisting of Al, Si, Ge, Sn, In, Pb, alkali metals, alkaline earth metals, 3d-insertion metals, 4d-insertion metals, 5d-insertion metals, lanthanides and actinides; b) reacting the inorganic precursor with at least one surface of the substrate; c) removing non-reacted inorganic precursor and reaction by-products if any; d) contacting the surface of said substrate with a pulse of an organic precursor; where the organic precursor is an organic compound with at least two reactive substituents selected from the group consisting of —OH, —OR, ═O, —COOH, —SH, —SO 4 H, —SO 3 H, —PH 2 , —PO 4 H, —PO 3 H, —PRH, —NH 2 , —NH 3 I, —SeH, —SeO 3 H, —SeO 4 H, —TeH, —AsH 2 , —AsRH, —SiH 3 , —SiRH 2 , —SiRR′H, —GeH 3 , —GeRH 2 , —GeRR′H, amine, alkyl amine, silated amine, halogenated amine, imide, azide and nitroxyl, wherein the group R and R′ are independently selected among a C1-10 aryl, alkyl, cycloalkyl, alkenyl or alkynyl group, where the organic compound is selected among straight or branched alkanes, cyclo alkanes, alkenes, mono- and poly-cyclic aromatic groups, heterocyclic aromatic groups, where the organic compound optionally may comprise other substituents than the at least two reactive substituents, and where the organic precursor can be brought into gas phase; e) reacting the organic precursor with the inorganic compound bound to the substrate to form an organic inorganic hybrid layer; f) removing non-reacted organic precursor and reaction by-products if any; g) repeating step a) to f) until the wanted film thickness is achieved.