Thermostable electroconductive polymer layer and method of preparing the same
View Patent ↗The present invention is related to a thermostable electroconductive polymer layer comprising an iodine-doped polymer layer based on 1-amino-9,10-anthraquinone having an electrical conductivity in the range of about 10 −2 Sm/cm to about 10 2 Sm/cm. Additionally, the present invention is related to methods for preparing the thermostable electroconductive polymer layer. The method comprises polymerizing 1-amino-9,10-anthraquinone vapors at a reduced pressure in a direct current discharge on a cathode at a temperature in the range of about 150° C. to about 300° C., providing the necessary vapor pressure for a time period in the range of about 5 minutes to about 30 minutes and doping the prepared layer with iodine vapors.
1. A thermostable electroconductive polymer layer comprising an iodine-doped polymer layer based on 1-amino-9,10-anthraquinone, wherein the thermostable electroconductive polymer layer has an electrical conductivity in a range of about 10 −2 Sm/cm to about 10 2 Sm/cm.
2. The thermostable electroconductive polymer layer of claim 1 , wherein after heating to about 280° C. followed by cooling to about 20° C. the electrical conductivity of the electroconductive polymer is not greater than about 10%,.
3. A method of preparing a thermostable electroconductive polymer layer comprising:
polymerizing 1-amino-9,10-anthraquinone vapors in a direct current discharge on a cathode to form a polymer layer; and
doping the polymer layer with iodine vapors.
4. The method of claim 3 , wherein the vapor is polymerized at a temperature in the range of about 150° C. to about 300° C.
5. The method of claim 3 , wherein the direct current discharge applied to the cathode is in a range of about 5 mA to about 100 mA.
6. The method of claim 5 , wherein the direct current discharge applied to the cathode is in a range of about 15 mA to about 30 mA.
7. The method of claim 3 , wherein the vapor is polymerized for a time period in the range of about 5 minutes to about 30 minutes.
8. The method according to claim 3 , wherein the polymer layer is doped at a temperature in the range of about 20° C. to about 150° C.
9. The method according to claim 8 , wherein the polymer layer is doped for a time period in the range of about 20 minutes to about 120 minutes.
10. The method according to claim 9 , wherein the polymer layer is doped for a time period in the range of about 20 minutes to about 30 minutes.