One-step Electrosynthesis of Poly(1,5-diaminonaphthalene)/Graphene Nanocomposite as Platform for Lead Detection in Water

被引:19
作者
Nguyen, T. Dung [1 ]
Dang, T. T. Huyen [1 ]
Hoang Thai [1 ]
Nguyen, L. Huy [2 ]
Tran, D. Lam [3 ]
Piro, B. [4 ]
Pham, M. C. [4 ]
机构
[1] Vietnam Acad Sci & Technol, Inst Trop Technol, 18 Hoang Quoc Viet, Hanoi, Vietnam
[2] Hanoi Univ Sci & Technol, Sch Chem Engn, 1 Dai Co Viet, Hanoi, Vietnam
[3] Vietnam Acad Sci & Technol, Inst Mat Sci, 18 Hoang Quoc Viet, Hanoi, Vietnam
[4] Univ Paris Diderot, ITODYS, Sorbonne Paris Cite, UMR 7086,CNRS, 15 Rue J-A de Baif, F-75205 Paris 13, France
关键词
Poly(1; 5-diaminonaphthalene); Reduced graphene oxide; Electropolymerization; Pb2+ detection; STRIPPING VOLTAMMETRIC DETERMINATION; POLY 1,5-DIAMINONAPHTHALENE; CARBON ELECTRODES; GRAPHITE OXIDE; GRAPHENE; IONS; FILM; NANOSHEETS; COMPOSITE; POLY(1,8-DIAMINONAPHTHALENE);
D O I
10.1002/elan.201501075
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A simple electrochemical methodology was described to elaborate a sensor based on poly(1,5-diaminonaphthalene)/reduced graphene oxide film onto platinum-patterned electrodes. The composite electrodes were investigated for Pb2+ determination using square wave anodic stripping voltammetry. Pb2+ was first reduced and preconcentrated onto the modified electrodes at -1.0V, then a positive potential sweep was applied to oxidize Pb-0. A well-defined stripping peak appeared at -0.5V, which was used as analytical signal. The linear detection range was found from 200ngL(-1) to 700 mu gL(-1). Interferences with several other metal ions were evaluated.
引用
收藏
页码:1907 / 1913
页数:7
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