一步电化学沉积还原氧化石墨烯-铋纳米复合材料测定铅

ECS Electrochemistry Letters Pub Date : 2015-01-01 DOI:10.1149/2.0021509EEL

Xueping Hu, Dawei Pan, Mingyue Lin, Haitao Han, Fei Li

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引用次数: 11

摘要

通过一步电化学还原沉积法制备了新型氧化石墨烯-铋(RGO-Bi)纳米复合材料，并将其用于修饰一次性丝网印刷电极(SPE)中铅(II)的测定。通过电化学沉积，在还原氧化石墨烯上分布了大量的Bi颗粒。结合RGO独特的结构和电子性质以及Bi与其他金属形成合金的能力，RGO-Bi/SPE测定Pb(II)具有宽的线性范围和低的检出限。此外，RGO-Bi/SPE成功应用于实际海岸沉积物孔隙水中Pb(II)的快速测定。(C) 2015中国电化学会。版权所有。

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One-Step Electrochemical Deposition of Reduced Graphene Oxide-Bismuth Nanocomposites for Determination of Lead

The novel reduced graphene oxide-bismuth (RGO-Bi) nanocomposites were successfully synthesized through one-step electrochemical reduced deposition and used to modify disposable screen-printed electrode (SPE) for determination of Pb(II). By electrochemical deposition, a large number of Bi particles were distributed on RGO. Combined the unique structure and electronic properties of RGO with the ability of Bi to form alloys with other metals, the RGO-Bi/SPE has shown wide linear range and low detection limit for determination of Pb(II). Additionally, the RGO-Bi/SPE was successfully applied to the rapid determination of Pb(II) in real coastal sediment pore waters. (C) 2015 The Electrochemical Society. All rights reserved.

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ECS Electrochemistry Letters ELECTROCHEMISTRY-MATERIALS SCIENCE, MULTIDISCIPLINARY

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