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One‐step Electrosynthesis of Poly(1,5‐diaminonaphthalene)/Graphene Nanocomposite as Platform for Lead Detection in Water
Author(s) -
Nguyen T. Dung,
Dang T. T. Huyen,
Thai Hoang,
Nguyen L. Huy,
Tran D. Lam,
Piro B.,
Pham M. C.
Publication year - 2016
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.201501075
Subject(s) - graphene , electrosynthesis , electrode , nanocomposite , stripping (fiber) , anodic stripping voltammetry , materials science , detection limit , electrochemistry , platinum , oxide , anode , voltammetry , linear range , analytical chemistry (journal) , nanotechnology , chemistry , chromatography , composite material , organic chemistry , catalysis , metallurgy
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 Pb 2+ determination using square wave anodic stripping voltammetry. Pb 2+ was first reduced and preconcentrated onto the modified electrodes at −1.0 V, then a positive potential sweep was applied to oxidize Pb 0 . A well‐defined stripping peak appeared at −0.5 V, which was used as analytical signal. The linear detection range was found from 200 ng L −1 to 700 µg L −1 . Interferences with several other metal ions were evaluated.
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