Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 184, Issue -, Pages 156-162Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2013.04.079
Keywords
Microwave; Green; Photoluminescent; Carbon nanodots; Flour; Hg2(+) detection
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The article reports on the microwave-assisted rapid green synthesis of photoluminescent carbon nanodots (C-dots) with diameters in the range of 1-4 nm using flour as the carbon source. It suggests that the resultant C-dots exhibit high sensitivity and selectivity toward Hg2(+) with a detection limit as low as 0.5 nM and a linear range of 0.0005-0.01 mu M. The practical use of this system for Hg2(+) determination in real lake water samples is also demonstrated successfully. (C) 2013 Elsevier B.V. All rights reserved.
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