MODIFICATION OF PAPER INTO ELECTROCONDUCTIVE MATERIAL BY DEPOSITION OF CONDUCTING POLYMER BLENDS
Commercial base papers were modified into electroconductive sheets by deposition of conducting polymer blends. Coating of poly(3,4-ethylenedioxythiophene) doped with poly(4-styrenesulfonate) or PEDOT:PSS onto base paper was performed and the coated sheets were characterized. Four-probe technique was used to measure the bulk conductivity of the coated sheets because this technique was applicable for moderately conductive sheets and minimized the effect of surface roughness on the conductivity reading. On the other hand, the conductivity of the reference base paper was measured using Impedance Spectroscopy. It was found that bulk conductivity in the range of 10-3 S/cm was achieved which corresponds to the conductivity of a semiconducting material. One-sided coating and two-sided coating rendered comparable conductivities. The addition of 1 wt ％ Ti02 particles into the blend decreased the conductivity. The coated sheet with rutile Ti02 particles had lower conductivity than sheets with anatase Ti02 because the rutile particles are more bulky, and thus, less amount of PEDO:PSS was deposited. The amount of PEDOT:PSS deposited into the paper was determined from the total sulfur analysis since the base paper did not contain traceable amount of sulfur. Contact angle measurement was used to monitor the change of the hydrophilicity of the paper. The tensile strength of the paper was not significantly affected by the treatment.
conductive paper PEDOT:PSS TiO2
Lars J(a)nstr(o)m Magnus Lestelius Elson Montibon
Department of Chemical Engineering, Karlstad University, Universitetsgatan 2, 651 88 Karlstad,Sweden
国际会议
广州
英文
1453-1456
2010-11-08（万方平台首次上网日期，不代表论文的发表时间）