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以苯乙烯磺酸钠(SSS)和乙烯磺酸钠(SVS)的共聚物PSS-VS为掺杂剂,过硫酸铵(APS)为氧化剂,采用化学氧化法制备了PEDOT/PSS-VS分散体,研究了PSS-VS的共聚比、分子量和用量等因素对PEDOT/PSS-VS导电性能及平均粒径的影响,分析了PEDOT/PSS-VS粒子形成过程。结果表明,SSS/SVS共聚摩尔比为5/5,单体与APS摩尔比为60时制得的PSS-VS掺杂PEDOT具有较好的导电性和分散稳定性,SO3-/EDOT=2,APS/EDOT=1.5,PEDOT/PSS-VS固含量为2.8%时制得的PEDOT/PSS-VS电导率可达11.74S/cm,分散体平均粒径为447nm。
PEDOT / PSS-VS dispersion was prepared by chemical oxidation using ammonium persulfate (APS) as dopant and PSS-VS copolymer of sodium styrenesulfonate (SSS) and sodium vinyl sulfonate (SVS) The effect of PSS-VS copolymerization ratio, molecular weight and dosage on the conductivity and average particle size of PEDOT / PSS-VS was studied. The formation of PEDOT / PSS-VS particles was also analyzed. The results showed that PSS-VS-doped PEDOT prepared with molar ratio of SSS / SVS of 5/5 and monomer / APS molar ratio of 60 had good electrical conductivity and dispersion stability, SO3- / EDOT = 2, The conductivity of PEDOT / PSS-VS prepared by APS / EDOT = 1.5 and PEDOT / PSS-VS with a solid content of 2.8% reached 11.74S / cm and the average particle size of the dispersion was 447nm.