Highly sensitive voltammetric nanosensor based on Cu2O nanocubes modified screen-printed carbon electrode for determination of 4-aminophenol
Original scientific paper
DOI:
https://doi.org/10.5599/jese.3257Keywords:
Phenol derivative, electrochemical detection, nano copper oxide, real water samples, modified carbon electrodeAbstract
X-ray diffraction was used in this work to analyse the Cu2O nanocubes prepared via one-pot wet-chemical method. Next, 4-aminophenol (4-AP) was determined using a Cu2O nanocube-modified screen-printed carbon electrode (Cu2O/SPCE). Chronoamperometry, differential pulse voltammetry, and cyclic voltammetry were used to assess the electrochemical characteristics of 4-AP at the Cu2O/SPCE sensor. As the redox peak currents increased, the results showed that the Cu2O/SPCE exhibited strong electrocatalytic activity for 4-AP. With a limit of detection of 0.008 μM, the oxidation peak current under the chosen circumstances was proportional to the 4-AP in the range of 0.02 to 500.0 μM. With positive outcomes, the suggested approach was used to ascertain the 4-AP content of actual samples.
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Copyright (c) 2026 Nahawnd Hamid Njam, Dalil M. H. Alher, Ahmed M. J. Jehan Yin, Dhuha Rahi Kashash
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