Optoelectronic devices with multilayered structures

1. A crosslinked insoluble polymer product derived from reaction between a hydrosiloxane and a polyfluorene comprising structural units of formula I

wherein

R 1 and R 2 are independently alkyl, substituted alkyl, alkenyl, alkynyl, substituted alkenyl, substituted alkynyl, alkyloxy, substituted alkoxy, alkenoxy, alkynoxy, substituted alkenoxy, substituted alkynoxy, or a combination thereof;

Ar 1 and Ar 2 are independently aryl or substituted aryl;

m and n are independently 0 or 1; and

at least one of R 1 and R 2 is alkenyl, alkynyl, substituted alkenyl, or substituted alkynyl.

2. A polymer composition according to claim 1 wherein the precursor hydrosiloxane comprised structural units of formula

wherein

R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , and R 10 are independently H, C 1 -C 10 alkyl, phenyl or

p and q are independently 0 or an integer from 1 to 100; and

at least two of R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , and R 15 are H.

3. A polymer product according to claim 2 , wherein p is an integer from 1 to 20.

4. A polymer product according to claim 2 , wherein R 3 and R 7 are H.

5. A polymer product according to claim 2 , wherein R 5 is H.

6. A polymer product according to claim 2 , wherein R 9 is phenyl.

7. A polymer product according to claim 2 , wherein R 4 , R 6 , R 8 , and R 10 are methyl.

8. A polymer product according to claim 1 , derived from reaction between the hydrosiloxane, the polyfluorene comprising structural units of formula I, and a vinylsiloxane.

9. A polymer product according to claim 1 , wherein R 2 is C 3-20 alkenyl.

10. A polymer product according to claim 1 , wherein R 2 is C 3-20 alkynyl.

11. A polymer product according to claim 1 , wherein R 2 is C 3-8 alkenyl.

12. A polymer product according to claim 1 , wherein R 2 is C 4-8 alkynyl.

13. A polymer product according to claim 1 , wherein R 1 is C 3 -C 8 alkyl.

14. A polymer product according to claim 1 , wherein R 1 and R 2 are C 3-20 alkynyl.

15. A polymer product according to claim 1 , wherein R 1 and R 2 are C 4-8 alkynyl.

16. A polymer product according to claim 1 , wherein the precursor polyfluorene comprised structural units of formula

17. A polymer product according to claim 1 , wherein the precursor polyfluorene comprised structural units of formula

18. A polymer product according to claim 1 , wherein the precursor polyfluorene comprised structural units of formula

19. A polymer product according to claim 18 , wherein the precursor polyfluorene additionally comprised structural units of formula

20. A crosslinked insoluble polymer product derived from reaction between a hydrosiloxane and a polyfluorene comprising structural units of formula

21. A polymer product according to claim 20 , wherein the precursor polyfluorene comprised structural units of formula

22. An optoelectronic device comprising a crosslinked insoluble polymer product derived from reaction between a hydrosiloxane and a polyfluorene comprising structural units of formula I

wherein

R 1 and R 2 are independently alkyl, substituted alkyl, alkenyl, alkynyl, substituted alkenyl, substituted alkynyl, alkyloxy, substituted alkoxy, alkenoxy, alkynoxy, substituted alkenoxy, substituted alkynoxy, or a combination thereof;

Ar 1 and Ar 2 are independently aryl or substituted aryl;

m and n are independently 0 or 1; and

at least one of R 1 and R 2 is alkenyl, alkynyl, substituted alkenyl, or substituted alkynyl.