Hydrothermal Treatment of Grass: A Low‐Cost, Green Route to Nitrogen‐Doped, Carbon‐Rich, Photoluminescent Polymer Nanodots as an Effective Fluorescent Sensing Platform for Label‐Free Detection of Cu(II) Ions
Sen Liu(Changchun Institute of Applied Chemistry), Jingqi Tian(Chinese Academy of Sciences), Lei Wang(Changchun Institute of Applied Chemistry), Yingwei Zhang(Changchun Institute of Applied Chemistry), Xiaoyun Qin(Changchun Institute of Applied Chemistry), Yonglan Luo(Changchun Institute of Applied Chemistry), Abdullah M. Asiri(King Abdulaziz University), Abdulrahman O. Al‐Youbi(King Abdulaziz University), Xuping Sun(King Abdulaziz University)
Cited by 1,538
Abstract
Increasing reaction temperature produces photoluminescent polymer nanodots (PPNDs) with decreased particle size and increased quantum yield. Such PPNDs are used as an effective fluorescent sensing platform for label-free sensitive and selective detection of Cu(II) ions with a detection limit as low as 1 nM. This method is successfully applied to determine Cu(2+) in real water samples.
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