Crosslinkable dielectrics and methods of preparation and use thereof

1. An electronic device comprising at least one dielectric layer,

wherein the at least one dielectric layer comprises a crosslinked organic compound based on at least one radically crosslinkable compound,

the at least one radically crosslinkable compound comprises:

(i) at least one acrylate group, wherein the at least one radically crosslinkable compound is selected from the group consisting of a polyether acrylate, a polyester acrylate, and a homopolymer or copolymer acrylate,

(ii) an olefinic double bond, a triple bond, or both in at least one side chain, wherein the at least one radically crosslinkable compound is at least one alkyd resin; or

(iii) both (i) and (ii),

the copolymer acrylate is a random copolymer or a block copolymer of one of formulae

wherein

R 7 is independently H; OR 8 —; alkyl; alkenyl; alkynyl; —C(O)—OR 8 ; —C(O)—R 8 ; —OH; alkyl substituted with —OH, —C(O)—OR 8 —, or —C(O)—R 8 —; alkyl wherein the alkyl chain is interrupted by one or more oxygen atoms; aryl; heteroaryl; cycloalkyl; and heterocycloalkyl,

X is CR 8 2 , O, NR 8 , SiO or SiR 8 2 ,

R 8 is H, alkyl, aryl, heteroaryl, cycloalkyl, heterocycloalkyl, vinyl, alkenyl, alkynyl, cycloalkenyl, or cycloalkynyl,

R 9 is H or a methyl group,

R 10 is C p H 2p+1 , wherein p is from 1 to 6

n is from 1 to 20, and

o+m is from 1 to 500.

2. The electronic device of claim 1 , wherein the at least one radically crosslinkable compound comprises at least one alkyd resin of formula

wherein

a and c are independently from 1 to 20,

b is 0 or 1, and

d is from 1 to 1000.

3. The electronic device of claim 1 , wherein the crosslinked organic compound is crosslinked by radiation, thermal energy, or both.

4. The electronic device of claim 1 , wherein the at least one radically crosslinkable compound is crosslinked in presence of at least one initiator selected from the group consisting of a peroxide, a hydroperoxide, a perester, an azocompound, a sterically hindered ethane derivative, acyloin, a derivative of acyloine, a diketone, a phenone, an organic sulfide, an S-acyl-thiocarbamate, and an initiator comprising a vinyl group, an acrylate group or both.

5. The electronic device of claim 1 , wherein the crosslinked organic compound is obtained by reacting a mixture comprising:

at least one radically crosslinkable compound, and

at least one reactive diluent, at least one non-crosslinkable polymer, or both.

6. The electronic device of claim 1 , wherein the crosslinked organic compound is obtained by reacting a mixture comprising:

at least one radically crosslinkable compound, and

at least one additive selected from the group consisting of a filler, a diluent, a rheological thickener, a colorant, a surfactant, a film forming agent, and a stabilizer.

7. The electronic device of claim 1 , wherein the dielectric layer has a dielectric constant of ≧2.3.

8. The electronic device of claim 1 , wherein the electronic device is selected from the group consisting of a thin film transistor, a transistor array, a capacitor, an electroluminescent lamp, and an integrated circuit.

9. The electronic device of claim 1 , wherein the electronic device further comprises a semi-conductor layer.

10. The electronic device of claim 8 , wherein the device is a thin film transistor having a top-gate configuration.

11. The electronic device of claim 8 , wherein the device is a thin film transistor having a bottom-gate configuration.

12. A method of making the electronic device of claim 1 , comprising radically crosslinking the at least one radically crosslinkable compound.

13. The electronic device of claim 1 , wherein the at least one radically crosslinkable compound is a copolymer acrylate of formula

wherein n is from 1 to 10.

14. The electronic device of claim 1 , wherein the at least one radically crosslinkable compound is a copolymer acrylate of one of formula

wherein o+m is from 10 to 300.

15. The electronic device of claim 2 , wherein the at least one alkyd resin is of formula

wherein s is from 1 to 1000.

16. The electronic device of claim 2 , wherein a and c are independently from 1 to 10.

17. The electronic device of claim 2 , wherein d is from 10 to 900.

18. The electronic device of claim 7 , wherein the dielectric layer has a dielectric constant of from 2.5 to 10.