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The fabrication and characterization of a bismuth nanoparticle modified boron doped diamond electrode and its application to the simultaneous determination of cadmium(II) and lead(II)

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The fabrication and characterization of a bismuth nanoparticle modified boron doped diamond electrode and its application to the simultaneous determination of cadmium(II) and lead(II). / Toghill, Kathryn E.; Wildgoose, Gregory G.; Moshar, Amir et al.
In: Electroanalysis, Vol. 20, No. 16, 08.2008, p. 1731-1737.

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@article{bc428a30133a43a1b90f57898dda0b66,
title = "The fabrication and characterization of a bismuth nanoparticle modified boron doped diamond electrode and its application to the simultaneous determination of cadmium(II) and lead(II)",
abstract = "We report the simultaneous electroanalytical determination of Pb2+ and Cd2+ by square-wave anodic stripping voltammetry (SWASV) using a bismuth nanoparticle modified boron doped diamond (Bi-BDD) electrode. Bi deposition was performed in situ with the analytes, from a solution of 0.1 rnM Bi(NO3)(3) in 0.1 M HClO4, (pH 1.2), and gave detection limits of 1.9 mu g L-1 and 2.3 mu g L-1 for Pb(II) and Cd(II) respectively. Pb2+ and Cd2+ could not be detected simultaneously at a bare BDD electrode, whilst on a bulk Bi macro electrode (BiBE) the limits of detection for the simultaneous determination of Pb2+ and Cd2+ were ca. ten times higher.In situ atomic force microscopy (AFM) was performed to characterize the Bi nanoparticle growth on the BDD surface over a period of 120 s. The average final size of the Bi nanoparticles was 45 +/- 25 nm in height with a number density on the electrode surface of ca. 7 x 10(9) np/cm(2) obtained. The in situ AFM characterization suggests that the Bi nanoparticles are deposited by an {"}instantaneous{"} nucleation and growth mechanism.",
keywords = "bismuth, boron doped diamond, cadmium, lead, in situ atomic force microscopy, ANODIC-STRIPPING VOLTAMMETRY, FILM MERCURY-ELECTRODES, CARBON ELECTRODES, TRACE-METALS, THIN-FILM, ELECTROANALYSIS, PB, POTENTIALITIES, NUCLEATION, COPPER",
author = "Toghill, {Kathryn E.} and Wildgoose, {Gregory G.} and Amir Moshar and Chris Mulcahy and Compton, {Richard G.}",
year = "2008",
month = aug,
doi = "10.1002/elan.200804277",
language = "English",
volume = "20",
pages = "1731--1737",
journal = "Electroanalysis",
issn = "1040-0397",
publisher = "Wiley-VCH Verlag",
number = "16",

}

RIS

TY - JOUR

T1 - The fabrication and characterization of a bismuth nanoparticle modified boron doped diamond electrode and its application to the simultaneous determination of cadmium(II) and lead(II)

AU - Toghill, Kathryn E.

AU - Wildgoose, Gregory G.

AU - Moshar, Amir

AU - Mulcahy, Chris

AU - Compton, Richard G.

PY - 2008/8

Y1 - 2008/8

N2 - We report the simultaneous electroanalytical determination of Pb2+ and Cd2+ by square-wave anodic stripping voltammetry (SWASV) using a bismuth nanoparticle modified boron doped diamond (Bi-BDD) electrode. Bi deposition was performed in situ with the analytes, from a solution of 0.1 rnM Bi(NO3)(3) in 0.1 M HClO4, (pH 1.2), and gave detection limits of 1.9 mu g L-1 and 2.3 mu g L-1 for Pb(II) and Cd(II) respectively. Pb2+ and Cd2+ could not be detected simultaneously at a bare BDD electrode, whilst on a bulk Bi macro electrode (BiBE) the limits of detection for the simultaneous determination of Pb2+ and Cd2+ were ca. ten times higher.In situ atomic force microscopy (AFM) was performed to characterize the Bi nanoparticle growth on the BDD surface over a period of 120 s. The average final size of the Bi nanoparticles was 45 +/- 25 nm in height with a number density on the electrode surface of ca. 7 x 10(9) np/cm(2) obtained. The in situ AFM characterization suggests that the Bi nanoparticles are deposited by an "instantaneous" nucleation and growth mechanism.

AB - We report the simultaneous electroanalytical determination of Pb2+ and Cd2+ by square-wave anodic stripping voltammetry (SWASV) using a bismuth nanoparticle modified boron doped diamond (Bi-BDD) electrode. Bi deposition was performed in situ with the analytes, from a solution of 0.1 rnM Bi(NO3)(3) in 0.1 M HClO4, (pH 1.2), and gave detection limits of 1.9 mu g L-1 and 2.3 mu g L-1 for Pb(II) and Cd(II) respectively. Pb2+ and Cd2+ could not be detected simultaneously at a bare BDD electrode, whilst on a bulk Bi macro electrode (BiBE) the limits of detection for the simultaneous determination of Pb2+ and Cd2+ were ca. ten times higher.In situ atomic force microscopy (AFM) was performed to characterize the Bi nanoparticle growth on the BDD surface over a period of 120 s. The average final size of the Bi nanoparticles was 45 +/- 25 nm in height with a number density on the electrode surface of ca. 7 x 10(9) np/cm(2) obtained. The in situ AFM characterization suggests that the Bi nanoparticles are deposited by an "instantaneous" nucleation and growth mechanism.

KW - bismuth

KW - boron doped diamond

KW - cadmium

KW - lead

KW - in situ atomic force microscopy

KW - ANODIC-STRIPPING VOLTAMMETRY

KW - FILM MERCURY-ELECTRODES

KW - CARBON ELECTRODES

KW - TRACE-METALS

KW - THIN-FILM

KW - ELECTROANALYSIS

KW - PB

KW - POTENTIALITIES

KW - NUCLEATION

KW - COPPER

U2 - 10.1002/elan.200804277

DO - 10.1002/elan.200804277

M3 - Journal article

VL - 20

SP - 1731

EP - 1737

JO - Electroanalysis

JF - Electroanalysis

SN - 1040-0397

IS - 16

ER -