Methods for synthesizing metal nanowires are provided. A metalorganic layer is deposited on a substrate as a thin film. The thermal decomposition of the metalorganic thin film in the presence of air synthesizes metal nanowires. The metal can be varied to produce nanowires with different properties.
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I claim: 1. A method for synthesizing metal nanowires, the method comprising: providing a substrate; depositing a metalorganic layer on the substrate wherein the metalorganic layer is metal phthalocyanine; and heating the substrate with the metalorganic layer to form the nanowires on the substrate.
I claim: 1. A method for synthesizing metal nanowires, the method comprising: providing a substrate; depositing a metalorganic layer on the substrate wherein the metalorganic layer is metal phthalocyanine; and heating the substrate with the metalorganic layer to form the nanowires on the substrate. 2. The method of claim 1, wherein the substrate is selected from the group consisting of silicon oxide, aluminum oxide, magnesium oxide, glass, mica, silicon, fiberglass, teflon, ceramics, plastic, and quartz or mixtures thereof. 3. The method of claim 2, wherein the substrate is silicon oxide. 4. The method of claim 1, wherein the metal is selected from the group consisting of a Group V metal, a Group VI metal, a Group VII metal, a Group VIII metal, a lanthanide, and a transition metal, or mixtures thereof. 5. The method of claim 4, wherein the metal is selected from the group consisting of Fe, V, Nb, Cr, W, Mo, Mn, Re, Co, Ni, Ru, Rh, Pd, Os, Ir, Pt, Ce, Eu, Er, Yb, Ag, Au, Zn, Cd, Sc, Y, or La or mixtures thereof. 6. The method of claim 5, wherein the metal is Fe. 7. The method of claim 5, wherein the metal is Ni. 8. The method of claim 1, wherein the metalorganic layer is deposited by placing a solution of metal phthalocyanine on the substrate and heating to form a thin film. 9. The method of claim 8, wherein the solution comprises metal phthalocyanine and hydrogen phthalocyanine in a ratio of about 1:20 to about 20:1. 10. The method of claim 8, wherein the heating is to a temperature of about 500�� C. to about 600�� C. 11. The method of claim 10, further comprising a vacuum. 12. The method of claim 1, wherein the metalorganic layer has a thickness of between about 1 micron and about 30 microns. 13. The method of claim 1, wherein heating the metalorganic layer deposited on the substrate comprises exposing the metalorganic layer to air at a temperature of between about 450�� C. and about 500�� C. 14. The method of claim 13, further comprising another gas. 15. The method of claim 14, wherein the other gas is selected from the group consisting of hydrogen, helium, argon, neon, krypton and xenon or a mixture thereof. 16. A method for synthesizing metal nanowires, the method comprising: providing a substrate; depositing a metalorganic layer on the substrate, wherein the metalorganic layer is iron phthalocyanine, nickel phthalocyanine or mixtures thereof; and heating the substrate with the metalorganic layer to form the nanowires on the substrate. 17. The method of claim 16, wherein the substrate is selected from the group consisting of silicon oxide, aluminum oxide, and magnesium oxide, glass, mica, silicon, fiberglass, teflon, ceramics, plastic, and quartz or mixtures thereof. 18. The method of claim 17, wherein the substrate is silicon oxide. 19. The method of claim 16, wherein the metalorganic layer is deposited by placing a solution of metal phthalocyanine on the substrate and heating to form a thin film. 20. The method of claim 19, wherein the solution comprises metal phthalocyanine and hydrogen phthalocyanine in a ratio of about 1:20 to about 20:1. 21. The method of claim 19, wherein the heating is to a temperature of about 500�� C. to about 600�� C. under a vacuum. 22. The method of claim 16, wherein the metalorganic layer has a thickness of between about 1 micron and about 30 microns. 23. The method of claim 16, wherein heating the metalorganic layer deposited on the substrate comprises exposing the metalorganic layer to air at a temperature of between about 450�� C. and about 500�� C. 24. The method of claim 23, further comprising another gas selected from the group consisting of hydrogen, helium, argon, neon, krypton and xenon or a mixture thereof. 25. A method for synthesizing metal nanowires, the method comprising: providing a substrate; depositing a metalorganic layer on the substrate, wherein the metalorganic layer is iron phthalocyanine, nickel phthalocyanine or mixtures thereof, and wherein the metalorganic layer is deposited by placing a solution of metal phthalocyanine and hydrogen phthalocyanine in a ratio of about 1:20 to about 20:1 on the substrate and heating to form a thin film; and heating the substrate with the thin film to form the nanowires on the substrate. 26. The method of claim 25, wherein the substrate is selected from the group consisting of silicon oxide, aluminum oxide, and magnesium oxide, glass, mica, silicon, fiberglass, teflon, ceramics, plastic, and quartz or mixtures thereof. 27. The method of claim 26, wherein the substrate is silicon oxide. 28. The method of claim 25, wherein the heating is to a temperature of about 500�� C. to about 600�� C. under a vacuum. 29. The method of claim 25, wherein the thin film has a thickness of between about 1 micron and about 30 microns. 30. The method of claim 25, wherein heating the thin film deposited on the substrate comprises exposing the metalorganic layer to air at a temperature of between about 450�� C. and about 500�� C. 31. The method of claim 30, further comprising another gas selected from the group consisting of hydrogen, helium, argon, neon, krypton and xenon or a mixture thereof.
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