Electronic devices comprising novel phosphonic acid surface modifiers

1. A composition of matter comprising a molecule having the structure:

wherein: independently at each occurrence,

R 1 is a halogen, an alkyl group, a heteroalkyl group, an aryl group, or a heteroaryl group;

R 2 is —(CH 2 ) x —O y —(CH 2 ) x —O y —(CH 2 ) z — wherein, independently at each occurrence, x=1-12, y=0-1, and z=0-3, provided that R 2 comprises from 3 to 30 —CH 2 — groups, and at least one ether linkage,

n=1-5,

m=0-5, and

q=1-3.

2. The composition of claim 1 , wherein the composition comprises an electrode having a surface.

3. The composition of claim 2 , wherein the phosphonic acid binding group of the molecule is bound to the electrode surface.

4. The composition of claim 1 , wherein R 2 is bonded to the phenyl ring through an ether.

5. A composition of matter comprising a molecule having the structure:

6. A device comprising the composition of claim 1 .

7. The device of claim 6 , wherein the phosphonic acid group binds covalently or non-covalently to the surface of a metal oxide.

8. The device of claim 7 , wherein the molecule forms a monolayer on the metal oxide.

9. The device of claim 7 , wherein the metal oxide surface is an electrode.

10. A device of claim 6 that is a transistor.

11. A method of modifying the surface energy of an electrode by depositing the composition of claim 1 on a surface of the electrode.

12. The method of claim 11 , wherein the molecule binds to the electrode.

13. The method of claim 11 wherein the molecule forms a monolayer.

14. A device comprising the composition of claim 5 .

15. The device of claim 14 , where the phosphonic acid group binds covalently or non-covalently to the surface of a metal oxide.

16. The device of claim 15 , wherein the modecule forms a monolayer on the metal oxide.

17. The device of claim 16 , wherein the metal oxide surface is an electrode.

18. A device of claim 14 that is a transistor.