Density Functional Theory-Assisted Electrochemical Sensing of Caffeic Acid Using an Iron(II) Complex of Diethyl Thiophene-2,5-Dicarboxylate-Modified Carbon Paste Electrode

Key Points

• The study aims to develop and assess an efficient sensing platform for caffeic acid using advanced theoretical and experimental techniques.
• Utilized density functional theory calculations to design the sensing platform.
• Implemented an electrochemical technique with an iron(II) complex of a modified carbon paste electrode.
• Achieved significant electrochemical response for caffeic acid detection.
• Demonstrated enhanced sensitivity compared to conventional sensing methods.