Undergraduate laboratory assignment investigates catechol detection using conductive polymers, highlighting implications for educational methods.
This paper describes an undergraduate research laboratory assignment that involves the development of conductive polymer poly(2,2’-bithiophene) electrochemically grown to detect catechol versus the polymer with heavy metal contamination lead (Pb) to detect catechol. The design of the experiment has required our undergraduate students from two different university settings (chemistry and physics undergraduate students) to confirm the interaction of lead with the polymer prevents the detection of catechol by cyclic voltammetry (CV) analysis. In order to verify that the conductive polymer was grown successfully by Controlled Potential Electrolysis (CPE) Raman spectroscopy was utilized. This lab has been found to be rewarding for our students, which has required learning new instrumental technique such as CPE, CV and Micro-Raman Spectroscopy.
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Spradlin et al. (2015) studied this question.
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