Urea-doped carbon dots (N-CDs) have been successfully fabricated for monitoring iodide ions; the reduced lifetime of N-CDs demonstrated that the excited energy dissipation led to a dynamic fluorescence quenching process.
N-doped carbon dots (NCDs) with high quantum yield (67%), which could act as robust fluorescent probes for the detection of free chlorine in local tap water with rapid response and accurate measurement, were efficiently prepared.
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