Sacrificial template synthesis of ultrathin polyaniline nanosheets and their application in highly sensitive electrochemical dopamine detection

We report a simple sacrificial template-guided polymerization strategy to fabricate ultrathin two-dimensional polyaniline nanosheets for electrochemical detection of dopamine

Sihui Chen; Na Song; Ming Mu; Ce Wang; Xiaofeng Lu

2021

Scholarcy highlights

  • Ultrathin polyaniline nanosheets are prepared via a sacrificial template approach
  • The polyaniline nanosheets show a thickness of ca. 4 nm and an electrical conductivity of ca. 10 S cm−1
  • A low detection limit is achieved for the proposed electrochemical dopamine sensor
  • We report a simple sacrificial template-guided polymerization strategy to fabricate ultrathin two-dimensional polyaniline nanosheets for electrochemical detection of dopamine
  • By using vanadium pentoxide nanosheets as both sacrificial templates and oxidants, the resulting PANI nanosheets show an ultrathin thickness of ca. 4 nm with a favorable electrical conductivity of ca. 10 S cm−1
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