Eco-friendly hydrothermal synthesis of Coix seed carbon quantum dots for selective Fe²⁺ detection

doi:10.1016/j.jfca.2025.108549

Eco-friendly hydrothermal synthesis of Coix seed carbon quantum dots for selective Fe²⁺ detection

2025-11-01

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DOI：10.1016/j.jfca.2025.108549

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• First synthesis of C-CQDs from Coix seeds via a green one-step hydrothermal method. • Highly monodisperse C-CQDs with a uniform size of 1–3 nm • Constructed C-CQDs-based probe showing fluorescence enhancement upon Fe²⁺ binding. • Achieved wide linear range (0–500 µmol/L) and low LOD (2.9 µmol/L) for eco-friendly sensing.

Eco-friendly hydrothermal synthesis of Coix seed carbon quantum dots for selective Fe²⁺ detection

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