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首页> 外文期刊>Chinese science bulletin >Effect of addition of poly- (ethylene glycol) on electrical conductivity of poly(3,4- ethylenedioxythiophene)- poly(styrenesulfonate) hybrid
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Effect of addition of poly- (ethylene glycol) on electrical conductivity of poly(3,4- ethylenedioxythiophene)- poly(styrenesulfonate) hybrid

机译：聚乙二醇的添加对聚（3,4-乙撑二氧噻吩）-聚（苯乙烯磺酸盐）杂化物电导率的影响

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摘要

By mixing various concentrations of poly (ethylene glycol), a series of poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) composite thin films were prepared. The electrical conductivity of the PEDOT-PSS/PEG thin films was measured by the four-probe method. Experimental results showed that the inclusion of poly(ethylene glycol) influenced the electrical conductivity of PEDOT-PSS film significantly. With the increase of PEG concentrations, the electrical conductivity sharply increased to reach a maximum and then slowly decreased down. Furthermore, the PEG molecular weight and environment temperature also played important roles on the electrical conductivity of PEDOT-PSS/PEG thin films. A good linear relationship was found between In σ_(DC) and T~(-1/2) within the entire temperature range detected.
机译：通过混合各种浓度的聚乙二醇，制备了一系列的聚（3,4-乙撑二氧噻吩）-聚（苯乙烯磺酸盐）复合薄膜。通过四探针法测量PEDOT-PSS / PEG薄膜的电导率。实验结果表明，聚乙二醇的加入显着影响了PEDOT-PSS薄膜的电导率。随着PEG浓度的增加，电导率急剧增加以达到最大值，然后缓慢下降。此外，PEG分子量和环境温度对PEDOT-PSS / PEG薄膜的电导率也起着重要作用。在检测到的整个温度范围内，Inσ_（DC）与T〜（-1/2）之间存在良好的线性关系。

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