An Unsymmetrical Perylene Diimide Dye Modified Carbon Felt Electrode as A Novel Electrochemical Platform for Dopamine Detection

A novel perylene diimide (PDI‐C8SAc) was used as a modifier for carbon felt electrode (CFE) and prepared modified electrode was applied for dopamine detection. Obtained electrochemical current was almost 15‐fold higher compared to plain CFE. Also a cathodic shift in the peak potential was obtained indicating the electrocatalytic effect of the developed sensor. Under optimized experimental conditions, a linear range was observed between 1–100 μM with a limit of detection value of 0.084 μM (n=3). The fabricated sensor was successfully utilized for the dopamine determination in dopamine based medicines. The necessity yet challenges at dopamine detection forces researchers to be more creative day by day. In order to make appropriate dopamine detection, in this work, PDI‐C8SAc was introduced as a modifier into carbon felt electrode and as a result, PDI‐C8Sac/CFE was obtained. After the optimization of experimental parameters of developed electrochemical dopamine sensor, it was applied for dopamine detection in injection samples.