Polymer compositions, polymer films, polymer gels, polymer foams, and electronic devices containing such films, gels and foams

1. A polymer gel, comprising:

(a) a polymer network, comprising:

(i) an electrically conductive polymer, comprising:

(1) one or more electrically conductive polythiophene polymers, and

(2) one or more water soluble polymeric acid dopants,

wherein the one or more electrically conductive polythiophene polymers comprise poly(3,4-ethylenedioxythiophene) and one or more water soluble polymeric acid dopants comprise a poly(styrene sulfonic acid) dopant and

(ii) an amount of an ionic liquid effective to gel the electrically conductive polymer, wherein the ionic liquid comprises 1-ethyl-3-methyl-imidazolium tetracyanoborate,

wherein the ratio of the total amount by weight of the ionic liquid to the total amount by weight of the electrically conductive polymer is from about 1.7:1 to about 45:1, and

(b) a liquid medium supported within the polymer network.

2. The polymer gel of claim 1 , wherein the gel comprises, based on 100 parts by weight of the polymer gel,

(a) from about 2 parts by weight to about 90 parts by weight of the polymer network, wherein the polymer network comprises, based on 100 parts by weight of the network:

(i) from about 10 parts by weight to about 40 parts by weight, of the electrically conductive polymer, and

(ii) from about 60 parts by weight to about 90 parts by weight, of the ionic liquid, and

(b) from about 10 parts by weight to about 98 parts by weight of the liquid medium.

3. An electronic device, comprising a plurality of layers, wherein at least one layer of the plurality of layers comprises a polymer gel according to claim 1 .

4. An electronic device 100 according to claim 3 , wherein the device comprises:

(a) an anode or combined anode and buffer layer 101 ,

(b) a cathode layer 106 ,

(c) an electroactive layer 104 , disposed between anode layer 101 and cathode layer 106 ,

(d) optionally, a buffer layer 102 , disposed between anode layer 101 and electroactive layer 104 ,

(e) optionally, a hole transport layer 105 , disposed between anode layer 101 and electroactive layer 104 , or if buffer layer 102 is present, between buffer layer 102 and electroactive layer 104 , and

(f) optionally an electron injection layer 105 , disposed between electroactive layer 104 and cathode layer 106 .

5. An electronic device 100 according to claim 4 , wherein the device is a battery comprising an anode 101 , a cathode layer 106 and an electrolyte layer 104 disposed between the anode layer and cathode layer, and the electrolyte layer 104 comprises the polymer gel.