NDLI: Silicon-hybrid carbon dots strongly enhance the chemiluminescence of luminol

Content Provider	Springer Nature Link
Author	Lin, Zhen Dou, Xiangnan Li, Haifang Chen, Qiushui Lin, Jin Ming
Copyright Year	2014
Abstract	We report on a 4-min microwave pyrolytic method for the preparation of fluorescent and water-soluble silicon-hybrid carbon dots (C-dots) with high fluorescent quantum yield. The material is prepared by preheating aminopropyltriethoxysilane and ethylene diamine tetraacetic acid for 1 min, then adding a mixture of poly(ethylene glycol) and glycerin to the solution and heating for another 3 min. It is found that the hybrid carbon dots strongly enhance the chemiluminescence (CL) of the luminol/N-bromosuccinimide system. A study on the enhancement mechanism via CL, fluorescence and electron paramagnetic resonance spectroscopy showed that the effect most probably is due to electrostatic interaction between the C-dots and the luminol anion which facilitates electron transfer from luminol anion to the N-bromosuccinimide oxidant. CL intensity is linearly related to the concentration of the C-dots in the range between 1.25 and 20 μg mL−1. The detection limit is 0.6 μg mL−1 (at an S/N of 3). Figure New chemiluminescent enhancement property of the fluorescent silican-hybrid carbon dots in luminol-N-bromosuccinimide system has been explored.
Starting Page	805
Ending Page	811
Page Count	7
File Format	PDF
ISSN	00263672
Journal	Microchimica Acta
Volume Number	181
Issue Number	7-8
e-ISSN	14365073
Language	English
Publisher	Springer Vienna
Publisher Date	2014-01-16
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Carbon dots Chemiluminescence Luminol Bromosuccinimide Nanochemistry Nanotechnology Characterization and Evaluation of Materials Analytical Chemistry Microengineering
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry

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