Fluorescent Nitrogen‐Doped Carbon Dots as Nanosensors for the Detection of Fe3+ Ions
Jingying Zhao,
Xinxin Ji,
Huan Xing
et al.
Abstract:Fluorescent nitrogen‐doped carbon dots (N‐CDs) are obtained by a straightforward hydrothermal method, and tartaric acid and L‐histidine hydrochloride are used as precursors. The obtained N‐CDs exhibit nanoscale structure, good water solubility, photostability, and excellent fluorescence (FL) properties with a high FL quantum yield of 19%. The designed N‐CDs are used as fluorescent probes for detecting Fe3+ with the FL “on‐off” strategy. Two good linear relationships can be observed for the concentration of Fe3… Show more
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