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Organic polymers for use in electronic devices, wherein the polymer includes repeat units of the formula: wherein: each R1 is independently H, an aryl group, Cl, Br, I, or an organic group that includes a crosslinkable group; each R2 is independently H, an aryl group or R4; each R3 is independen

Organic polymers for use in electronic devices, wherein the polymer includes repeat units of the formula: wherein: each R1 is independently H, an aryl group, Cl, Br, I, or an organic group that includes a crosslinkable group; each R2 is independently H, an aryl group or R4; each R3 is independently H or methyl; each R5 is independently an alkyl group, a halogen, or R4; each R4 is independently an organic group that includes at least one CN group and has a molecular weight of about 30 to about 200 per CN group; and n=0-3; with the proviso that at least one repeat unit in the polymer includes an R4. These polymers are useful in electronic devices such as organic thin film transistors.

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What is claimed is: 1. An electronic device comprising an organic polymer dielectric layer comprising a substantially nonfluorinated organic polymer having repeat units of the formulas: wherein: each R1 is independently H, Cl, Br, I, an aryl group, or an organic group that includes a crosslinkab

What is claimed is: 1. An electronic device comprising an organic polymer dielectric layer comprising a substantially nonfluorinated organic polymer having repeat units of the formulas: wherein: each R1 is independently H, Cl, Br, I, an aryl group, or an organic group that includes a crosslinkable group; each R2 is independently H, an aryl group, or R 4; each R3 is independently H or methyl; each R5 is independently an alkyl group, a halogen, or R4; each R4 is independently an organic group comprising at least one CN group and having a molecular weight of about 30 to about 200 per CN group; and n=0-3; with the proviso that at least one repeat unit in the polymer includes an R4. 2. The device of claim 1 wherein each R1 is independently H, a (C5-C8)aryl group, Cl, Br, I, or an organic group that includes (meth)acrylate, amine, hydroxyl, thiol, oxirane, aziridine, chlorosilane, vinyl, or alkoxysilane groups. 3. The device of claim 1 wherein each R2 is independently H, a (C5-C8)aryl group, or R4 and each R4 is a (C2-C20)organic group comprising at least one CN group and having a molecular weight of about 30 to about 200 per CN group. 4. The device of claim 1 wherein R4 is N-methyl-(2-cyanoethyl)carbamido, N-bis(2-cyanoethyl)carbamido, p-(2-cyanoethyl) phenyl, p-(2,2-dicyanopropyl)phenyl, p-(1,2-dicyanopropionitrilo)phenyl, N-methyl-N-(2-cyanoethyl)benzylamino, bis-N-(2-cyanoethyl)benzylamino, cyanomethyl, 2,2'-dicyanopropyl, 1,2,2'-tricyanoethyl, or N,N'-bis(2-cyanoethyl)aminoethyl. 5. The device of claim 1 wherein at least one R1 includes a crosslinkable group. 6. The device of claim 5 wherein the crosslinkable group comprises (meth)acrylate, amine, hydroxyl, thiol, oxirane, aziridine, chlorosilane, vinyl, or alkoxysilane groups. 7. The device of claim 1 the device further comprises a polymeric surface-modifying film on at least a portion of the dielectric layer. 8. The device of claim 7 further comprising a semiconductor layer, wherein the polymeric surface-modifying film is interposed between the dielectric layer and the semiconductor layer. 9. The device of claim 7 wherein the polymeric surface-modifying film comprises a polymer having styrenic interpolymerized units. 10. The device of claim 7 wherein the polymeric surface-modifying film comprises a homopolymer of styrene. 11. The device of claim 7 wherein the polymeric surface-modifying film comprises a homopolymer of α-methylstyrene, 4-tert-butylstyrene, 2-methylstyrene, 3-methylstyrene, or 4-methylstyrene. 12. The device of claim 7 wherein the polymeric surface-modifying film comprises a material selected from a copolymer of styrene and (trimethoxysilyl)propyl methacrylate. 13. The device of claim 7 wherein the polymeric surface-modifying film comprises polystyrene with silyl-containing end groups. 14. The device of claim 7 wherein the polymeric surface-modifying film comprises a copolymer of at least two different monomers selected from styrene, silyl-containing comonomers, α-methylstyrene, 4-tert-butylstyrene, 2-methylstyrene, 3-methylstyrene, and 4-methylstyrene. 15. The device of claim 7 wherein the polymeric surface-modifying film comprises a polymer having interpolymerized siloxane units. 16. The device of claim 1 which is a capacitor. 17. The device of claim 16 wherein the dielectric layer is patterned. 18. The device of claim 16 wherein the capacitor is an embedded capacitor. 19. The device of claim 1 wherein the dielectric layer is patterned. 20. The device of claim 1 which is a thin film transistor or a transistor array. 21. The device of claim 20 which has a charge carrier mobility of greater than about 0.5 cm2/V쨌s. 22. The device of claim 1 which is an electroluminescent lamp. 23. The device of claim 1 wherein the polymer dielectric layer further comprises a filler. 24. The device of claim 1 wherein the polymer dielectric layer comprises a mixture of polymers. 25. The device of claim 1 wherein the substantially nonfluorinated organic polymer is crosslinked. 26. The device of claim 1 wherein the dielectric layer has a dielectric constant of at least about 3.5. 27. The device of claim 1 which is an integrated circuit. 28. The device of claim 25 further comprising an organic semiconductor. 29. The device of claim 1 wherein the organic polymer dielectric layer comprises styrenic units at its surface. 30. The device of claim 29 wherein the styrenic units at the surface of the organic polymer dielectric layer are cyano-functional styrenic units. 31. An electronic device comprising a photopatternable organic polymer dielectric layer comprising an organic polymer having repeat units of the formulas: wherein: each R1 is independently an organic group that includes a crosslinkable group; each R2 is independently H, an aryl group, or R 4; each R3 is independently H or methyl; each R5 is independently an alkyl group, a halogen, or R4; each R4 is independently an organic group comprising at least one CN group and having a molecular weight of about 30 to about 200 per CN group; and n=0-3; with the proviso that at least one repeat unit in the polymer includes an R4. 32. The device of claim 31 wherein R4 is N-methyl-(2-cyanoethyl)carbamido, N-bis(2-cyanoethyl)carbamido, p-(2-cyanoethyl) phenyl, p-(2,2-dicyanopropyl)phenyl, p-(1,2-dicyanopropionitrilo)phenyl, N-methyl-N-(2-cyanoethyl)benzylamino, bis-N-(2-cyanoethyl)benzylamino, cyanomethyl, 2,2'-dicyanopropyl, 1,2,2'-tricyanoethyl, or N,N'-bis(2-cyanoethyl)aminoethyl. 33. The device of claim 31 wherein the crosslinkable group comprises (meth)acrylate, amine, hydroxyl, thiol, oxirane, aziridine, chlorosilane, vinyl, or alkoxysilane groups. 34. The device of claim 31 the device further comprising a polymeric surface-modifying film on at least a portion of the dielectric layer. 35. The device of claim 34 further comprising a semiconductor layer, wherein the polymeric surface-modifying film is interposed between the dielectric layer and the semiconductor layer. 36. The device of claim 34 wherein the polymeric surface-modifying film comprises a polymer having styrenic interpolymerized units. 37. The device of claim 31 which is a thin film transistor or transistor array. 38. The device of claim 37 which has a charge carrier mobility of greater than about 0.5 cm2/V쨌s. 39. The device of claim 31 which is a capacitor, a transistor, or an electroluminescent lamp. 40. The device of claim 31 which is an integrated circuit. 41. The device of claim 40 further comprising an organic semiconductor. 42. The device of claim 31 wherein the polymer dielectric layer further comprises a filler. 43. The device of claim 31 wherein the polymer dielectric layer comprises a mixture of polymers. 44. The device of claim 31 wherein the organic polymer is crosslinked. 45. The device of claim 31 wherein the dielectric layer has a dielectric constant of at least about 3.5. 46. The device of claim 31 wherein the organic polymer is a substantially nonfluorinated organic polymer. 47. The device of claim 31 wherein the organic polymer dielectric layer comprises styrenic units at its surface. 48. The device of claim 47 wherein the styrenic units at the surface of the organic polymer dielectric layer are cyano-functional styrenic units. 49. An electronic device comprising an organic polymer dielectric layer comprising a polymer comprising repeat units of the formulas: wherein: R is CH3 or CH2CH2CN; each R5 is independently an alkyl group, a halogen, or an organic group comprising at least one CN group and having a molecular weight of about 30 to about 200 per CN group; and n=0-3. 50. An electronic device comprising an organic polymer dielectric layer comprising a copolymer of bis(2-cyanoethyl)acrylamide with a polystyrene macromer. 51. An electronic device comprising an organic polymer dielectric layer comprising a polymer comprising repeat units or the formula: 52. An electronic device comprising an organic polymer dielectric layer comprising repeat units of the formula: 53. An electronic device comprising an organic polymer dielectric layer comprising a polymer comprising repeat units of the formula: 54. An electronic device comprising an organic polymer dielectric layer comprising a copolymer comprising repeat units of the formula: