ArticleMikrochimica acta2021
A sensitive electrochemical sensor based on metal cobalt wrapped conducting polymer polypyrrole nanocone arrays for the assay of nitrite.
Article in Mikrochimica acta, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 34 citations in OpenAlex.
- Polyaniline-modified cobalt oxide nano-flowers for efficient electrochemical detection of nitrite.RSC advances · 2025Article
- Article
- Review
- Polyaniline-Supported Nickel Oxide Flower for Efficient Nitrite Electrochemical Detection in Water.Polymers · 2023Article
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7 authors at 2 institutions in 1 country.
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Abstract
The conducting polymer polypyrrole nanocones wrapped by metal cobalt (Co/PPy) are a promising platform for the detection of sodium nitrite, which can be obtained by an electrochemical deposition technique under a mild condition. Co/PPy nanocone arrays combined the high conductivity and large specific surface area of PPy nanocones with the redox properties of metal cobalt, and their 3D structure can provide more active sites for nitrite detection. Owing to the microstructure and excellent electrical properties of the nanocomposite, Co/PPy nanocone arrays were convenient to construct a high-performance nitrite sensor. The microscopic morphology and composition of Co/PPy nanocone arrays were characterized by SEM, FT-IR, XPS, and XRD, and their electrochemical performances were also investigated. The experimental results showed that Co/PPy nanocones exhibited excellent performance for nitrite determination. The sensors were used for the determination of nitrite in pickled Chinese cabbage and water samples, and the results were consistent with those of spectrophotometry. Hence, the synthesized Co/PPy nanocone arrays have a broad application prospect in food safety, environmental protection, and industrial manufacturing.
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