METHOD FOR PRODUCING A CARBON NANOTUBE-, FULLERENE- AND/OR GRAPHENE-CONTAINING COATING
A method for producing a carbon nanotube-, fullerene- and/or graphene-containing coating on a substrate includes the steps of applying carbon nanotubes, fullerenes and/or graphenes onto a tin-containing coating and introducing carbon nanotubes, fullerenes and/or graphenes into the coating by mechanical and/or thermal treatment. A coated substrate produced by this method and the use of the coated substrate as an electromechanical component or lead frame are also described.
1 - 20 . (canceled)
21 . A method for producing a coating containing carbon nanotubes, fullerenes and/or graphenes on a substrate, comprising the steps of depositing carbon nanotubes, fullerenes and/or graphenes on a tin-containing coating and introducing the carbon nanotubes, fullerenes and/or graphenes into the tin-containing coating by mechanical and/or thermal treatment.
22 . The method of claim 21 , wherein the tin-containing coating comprises tin or a tin alloy.
23 . The method of claim 21 , wherein the tin-containing coating is in solid, liquid or paste-like form when the carbon nanotubes, fullerenes and/or graphenes are deposited.
24 . The method of claim 21 , wherein the mechanical treatment includes applying mechanical pressure onto the carbon nanotubes, fullerenes and/or graphenes.
25 . The method of claim 24 , wherein the mechanical pressure is applied to the carbon nanotubes, fullerenes and/or graphenes with a roller, with a stamp, with mechanical brushes, by spraying or by blowing.
26 . The method of claim 23 , wherein the coating is in solid form when the carbon nanotubes, fullerenes and/or graphenes are deposited and the carbon nanotubes, fullerenes and/or graphenes are introduced into the tin-containing coating through application of mechanical pressure to the carbon nanotubes, fullerenes and/or graphenes with a roller, with a stamp or with mechanical brushes.
27 . The method of claim 23 , wherein the tin-containing coating is in liquid or paste-like form when the carbon nanotubes, fullerenes and/or graphenes are deposited and the carbon nanotubes, fullerenes and/or graphenes are introduced into the tin-containing coating through application of mechanical pressure to the carbon nanotubes, fullerenes and/or graphenes with a roller, with a stamp, with mechanical brushes, by spraying or by blowing.
28 . The method of claim 21 , wherein the thermal treatment comprises heating the tin-containing coating to a temperature below or above the melting point of the tin-containing coating.
29 . The method of claim 28 , wherein the tin-containing coating is solid when the carbon nanotubes, fullerenes and/or graphenes are deposited and is subsequently heated to a temperature above the melting point of the tin-containing coating.
30 . The method of claim 28 , wherein the tin-containing coating is liquid when the carbon nanotubes, fullerenes and/or graphenes are deposited and is subsequently brought to a temperature below the melting point of the tin-containing coating.
31 . The method of claim 28 , wherein the tin-containing coating is solid when the carbon nanotubes, fullerenes and/or graphenes are deposited and is subsequently heated to a temperature below the melting point of the tin-containing coating.
32 . The method of claim 21 , wherein the carbon nanotubes, fullerenes and/or graphenes are deposited on the tin-containing coating and/or the carbon nanotubes, fullerenes and/or graphenes are introduced into the tin-containing coating in a normal atmosphere or in an inert gas.
33 . The method of claim 21 , wherein the carbon nanotubes comprise single-wall or multi-wall carbon nanotubes.
34 . The method of claim 21 , further comprising the step of encapsulating the carbon nanotubes, fullerenes and/or graphenes in a metal before depositing the carbon nanotubes, fullerenes and/or graphenes on the tin-containing coating.
35 . The method of claim 34 , wherein encapsulating is performed by mechanical kneading of the carbon nanotubes, fullerenes and/or graphenes with the metal, or chemically.
36 . The method of claim 21 , further comprising the step of dispersing the carbon nanotubes, fullerenes and/or graphenes with ultrasound in a tin-containing metallic melt before depositing the carbon nanotubes, fullerenes and/or graphenes on the substrate with a roller followed by mechanical stripping for adjusting a predetermined layer thickness of the carbon nanotubes, fullerenes and/or graphenes.
37 . The method of claim 21 , wherein the substrate is made of copper or a copper-containing alloy, of aluminum or an aluminum-containing alloy, or of iron or an iron-containing alloy.
38 . The method of claim 21 , further comprising the step of depositing on the substrate at least one intermediate layer, wherein the intermediate layer is arranged between the substrate and the tin-containing coating.
39 . A composite structure comprising:
a substrate made of copper or a copper-containing alloy, aluminum or an aluminum-containing alloy, or iron or an iron-containing alloy,
a tin-containing coating deposited in the substrate, and
carbon nanotubes, fullerenes and/or graphenes introduced into the tin-containing coating by mechanical and/or thermal treatment.
40 . The composite structure of claim 39 , further comprising at least one intermediate layer arranged between the substrate and the tin-containing coating.
41 . An electromechanical component or lead frame comprising a composite structure with
a substrate made of copper or a copper-containing alloy, aluminum or an aluminum-containing alloy, or iron or an iron-containing alloy,
a tin-containing coating deposited in the substrate, and
carbon nanotubes, fullerenes and/or graphenes introduced into the tin-containing coating by mechanical and/or thermal treatment.