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Journal of Materials Science
Erschienen in: Journal of Materials Science 6/2015

01.03.2015 | Original Paper

Enhancing the luminescence of carbon dots by doping nitrogen element and its application in the detection of Fe(III)

verfasst von: Quan Xu, Jungang Zhao, Yao Liu, Peng Pu, Xuesong Wang, Yusheng Chen, Chun Gao, Jiarui Chen, Hongjun Zhou

Erschienen in: Journal of Materials Science | Ausgabe 6/2015

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Abstract

Carbon dots (CDs) attract great interests from scientists for their low toxicity and biocompatibility properties and their important applications in the fields of photocatalysts, batteries, bio-images and supercapacitors. Most strategies of making CDs contain several steps, which can be a time-consuming and costly procedure. In this study, nitrogen-doped CDs have been prepared by a one-step hydrothermal strategy with sodium citrate and ethylenediamine as precursors. It is found that fluorescence intensity of CDs is enhanced with the increased content of doped nitrogen, which implies that nitrogen-doped element plays an important role to improve the fluorescence intensity of CDs. Most importantly, those CDs yielded high selectivity of Fe3+, with good linearity, precision and accuracy. Hence, the as-prepared nitrogen-doped CDs could be used as probes for quantitative analysis of Fe3+ in environmental applications.
Vorheriger Artikel The preparation and gas separation properties of zeolite/carbon hybrid membranes
Nächster Artikel Enhanced photocatalytic activity of TiO2@mercapto-functionalized silica toward colored organic dyes

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Metadaten
Titel
Enhancing the luminescence of carbon dots by doping nitrogen element and its application in the detection of Fe(III)
verfasst von
Quan Xu
Jungang Zhao
Yao Liu
Peng Pu
Xuesong Wang
Yusheng Chen
Chun Gao
Jiarui Chen
Hongjun Zhou
Publikationsdatum
01.03.2015
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 6/2015
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-015-8822-6

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