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Synthesis of Carbon Dots from Pear Juice for Fluorescence Detection of Cu2+ Ion in Water

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In this work, a facile green hydrothermal method was developed for the synthesis of carbon dots with fluorescent property using pear juice as raw materials. The synthesized carbon dots were characterized by UV-vis, fluorescence and transmission electron microscopic techniques. The synthesized conditions were optimized and the obtained carbon dots exhibited an average size at 10 nm with bright emission centered at 455 nm (blue color) under UV light with the excitation wavelength at 360 nm. The as-prepared carbon dots exhibited quenching effect in the presence of Cu2+ ion and a method for Cu2+ ion detection in water was developed with acceptable selectivity. The synthesized fluorescent carbon dots showed advantages like easy preparation, low cost and environmental friendly. It could be useful in chemical and biochemical detection.
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Keywords: Carbon Dots; Fluorescent; Pear; Solvothermal Reaction

Document Type: Research Article

Affiliations: 1: Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China 2: Hunan Rice Research Institute, Changsha 410125, China

Publication date: 01 August 2018

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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