Electrochemical Sensing of Textile Dyes Using Graphene Oxide: A Comprehensive Review
DOI:
https://doi.org/10.55544/jrasb.4.5.3Keywords:
Graphene oxide, Electrochemical sensor, Textile dyes, Water pollution, Azo dyes, Differential pulse voltammetry, Nanocomposites, Environmental monitoring, Wastewater analysis, Sustainable remediationAbstract
The widespread use of synthetic textile dyes has raised grave environmental and public health concerns owing to their persistence, toxicity, and prevalence in industrial effluents. Electrochemical sensing offers a sensitive, rapid, and cost-effective method for detecting toxic dyes at trace levels. Graphene oxide (GO) — with its large surface area, abundant oxygenated functional groups, excellent electrical conductivity after reduction, and facile chemical tunability — has emerged as a versatile material for constructing high-performance dye sensors. This review highlights the successes in real-sample analysis (wastewater, industrial effluents, and textile rinse waters). It identifies persistent challenges, such as fouling, matrix interferences, long-term stability, and scale-up for field deployment. This comprehensive overview aims to guide researchers and practitioners towards robust, field-ready GO-based electrochemical sensors for sustainable dye monitoring and remediation.
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