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Fluorescent carbon nanoparticles obtained from charcoal via green methods and their application for sensing Fe 3+ in an aqueous medium
Author(s) -
Patidar Rajesh,
Rebary Babulal,
Sanghani Dhruti A.,
Bhadu Gopala Ram,
Paul Parimal
Publication year - 2017
Publication title -
luminescence
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.428
H-Index - 45
eISSN - 1522-7243
pISSN - 1522-7235
DOI - 10.1002/bio.3346
Subject(s) - detection limit , fluorescence , metal ions in aqueous solution , aqueous solution , selectivity , nanoparticle , carbon fibers , hydrothermal circulation , chemistry , linear range , metal , nuclear chemistry , activated charcoal , charcoal , materials science , inorganic chemistry , nanotechnology , chemical engineering , chromatography , adsorption , organic chemistry , catalysis , physics , engineering , quantum mechanics , composite number , composite material
Two green methods (microwave and hydrothermal) were employed for the preparation of water dispersible fluorescent carbon nanoparticles (CNPs) from activated charcoal. Microwave and hydrothermally synthesized carbon nanoparticles, (MW‐CNPs) and (HT‐CNPs), respectively were characterized by microscopic and spectroscopic techniques. A detailed study of their fluorescence characteristics was made. MW‐CNPs and HT‐CNPs were tested for metal ion selectivity in aqueous medium. MW‐CNPs showed selectivity for Fe 3+ among the tested metal ions and important studies such as for interference, linear range and limit of detection were carried out. The application of MW‐CNPs for detection of Fe 3+ in water was demonstrated.

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