Controllable Synthesis of a Porous PEI-Functionalized Co<sub>3</sub>O<sub>4</sub>/rGO Nanocomposite as an Electrochemical Sensor for Simultaneous as Well as Individual Detection of Heavy Metal Ions
Afrasiab Ur Rehman, Muhammad Umer Fayaz, He Lv, Yang Liu, Jiawei Zhang, Yang Wang, Lijuan Du, Ruihong Wang, Keying Shi
Abstract
were 1.069, 0.285, 2.398, and 1.115 nM, respectively, by DNPV during simultaneous analysis, whereas they were 0.484, 0.878, 0.462, and 0.477 nM, respectively, by SWV in individual analysis.
Topics & Concepts
NanocompositeMaterials scienceElectrochemistryElectrochemical gas sensorMetalPorosityMetal ions in aqueous solutionIonChemical engineeringNanotechnologyInorganic chemistryElectrodeMetallurgyComposite materialChemistryPhysical chemistryOrganic chemistryEngineeringElectrochemical Analysis and ApplicationsElectrochemical sensors and biosensorsConducting polymers and applications