采用电解硝酸银水溶液的方法制备银纳米粒子,利用自组装技术将银纳米粒子分别组装于交联剂丙烯基硫脲(ATU)、硫脲(TU)和聚乙烯吡咯烷酮(PVP)修饰的碳钢电极表面,制得丙烯基硫脲、硫脲和聚乙烯吡咯烷酮与银纳米粒子自组装混合膜.采用电化学方法如交流阻抗谱(EIS)、极化曲线等研究该自组装膜在0.5 mol·L-1 NaCl溶液中的缓蚀作用.结果表明,碳钢表面形成的有机物/银纳米粒子自组装混合膜对碳钢有很好的缓蚀作用.其中尤以丙稀基硫脲为交联剂,银纳米粒子组装3h的混合膜电极抗腐蚀效果最佳,缓蚀率达到9 4.8％.
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