Electrochemical reduction of dioxygen on a thioglycolic acid-capped CdTe quantum dots modified glassy carbon electrode

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• 作者：Mehdi Asgari (1)
  Maryam Shanehsaz (2)
  Mojtaba Shamsipur (3)
  Mahsa Behzad (1)
  Mohammad Ghannadi Maragheh (1)
  
• 关键词：Quantum dot ; CdTe ; Modified electrode ; Oxygen reduction reaction
• 刊名：Journal of Applied Electrochemistry
• 出版年：2013
• 出版时间：January 2013
• 年：2013
• 卷：43
• 期：1
• 页码：15-19
• 全文大小：433KB
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• 作者单位：Mehdi Asgari (1)
  Maryam Shanehsaz (2)
  Mojtaba Shamsipur (3)
  Mahsa Behzad (1)
  Mohammad Ghannadi Maragheh (1)
  
  1. NFCRI, NSTRI, Tehran, Iran
  2. Department of Chemistry, Tarbiat Modares University, Tehran, Iran
  3. Department of Chemistry, Razi University, Kermanshah, Iran
  
• ISSN：1572-8838

文摘

A novel modified electrode was constructed by immobilizing thioglycolic acid-capped CdTe quantum dots (QDs) on a glassy carbon electrode (GCE) using Nafion ionomers. The results obtained by electrochemical impedance spectroscopy, cyclic voltammetry, and rotating disk electrode using the modified QDs–Nafion/GCE in a 0.20?M phosphate buffer of pH 7.0 revealed that the QDs act as effective mediators for the electrocatalytic reduction of dioxygen.