期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 240, 期 -, 页码 1265-1271出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2016.09.114
关键词
Nitrogen and boron co-doped carbon dots; Fluorescence; Cr(VI); Dopamine
资金
- Natural Science Foundation of Hubei Province [2015CFB273, 2011CDB059, 2011CDA111]
- Wuhan Youth Science and technology plan [2016070204010133]
Doping is recognized as a powerful way to tailor the defect in the surface and modify the properties of Carbon-based (C-based) materials. Various state-of-the-art techniques have been proposed to prepare boron and nitrogen co-doped C-based materials. Here we first introduced 3-aminophenylboronic acid (APBA) as the single starting material to fabricate boron and nitrogen co-doped carbon dots (NAB-CDs) with high quantum yield (25.9%) through one-pot hydrothermal method without further passivation. We applied the as-prepared NAB-CDs as a probe to detect Cr(VI) based on the inner filter effect (IFE) and dopamine based on the redox reaction, and the linear ranges were 0.25-243 mu M for detection of Cr(VI) and 1.4-260 mu M for detection of dopamine (DA), respectively. Moreover, this probe was utilized to analysis of dopamine in serum and urine samples, which was presaged more opportunities for application in biological field. (C) 2016 Elsevier B.V. All rights reserved.
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