Journal
LUMINESCENCE
Volume 32, Issue 8, Pages 1466-1472Publisher
WILEY
DOI: 10.1002/bio.3346
Keywords
fluorescent carbon nanoparticles; hydrothermal; iron sensing; microwave; quenching
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Funding
- Council of Scientific and Industrial Research (CSIR), India [CSC 0134]
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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 Fe3+ 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 Fe3+ in water was demonstrated.
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