Co2SnO4/Carbon Nanotubes Composites: A Novel Approach for Electrochemical Sensing of Hydrogen Peroxide

E. Yedinak, C.J. Venegas, T.P. Brito, D. Ruiz-León, S. Bollo

Research output: Contribution to journalArticle

Abstract

For the first time Co2SnO4 (CTO)/Carbon nanotubes (CNT) composites were prepared and used to modify glassy carbon electrodes for the amperometric determination of hydrogen peroxide. The catalytic activity of composites towards the oxidation of hydrogen peroxide was dependent on the quantity of CNT present in the composite and to the pH of the medium. The pure cobalt stannate phase with a ratio of 3 : 1 (CTO:CNT) exhibited the best catalytic activity towards hydrogen peroxide oxidation at low potentials (0.200 and 0.500 V). A linear relationship between current and hydrogen peroxide concentration was obtained with a sensitivity of 95 and 258 μA mM−1 and a detection limit of 0.130 and 0.08 μM respectively. © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
LanguageEnglish
Pages27-30
Number of pages4
JournalElectroanalysis
Volume30
Issue number1
DOIs
Publication statusPublished - 2018

Fingerprint

Carbon Nanotubes
Hydrogen peroxide
Hydrogen Peroxide
Carbon nanotubes
Composite materials
Catalyst activity
Oxidation
Glassy carbon
Cobalt
Electrodes

Keywords

  • carbon nanotubes composites
  • ceramic oxides
  • Cobalt stannate
  • electrochemical
  • Hydrogen peroxide oxidation

Cite this

Co2SnO4/Carbon Nanotubes Composites: A Novel Approach for Electrochemical Sensing of Hydrogen Peroxide. / Yedinak, E.; Venegas, C.J.; Brito, T.P.; Ruiz-León, D.; Bollo, S.

In: Electroanalysis, Vol. 30, No. 1, 2018, p. 27-30.

Research output: Contribution to journalArticle

Yedinak, E. ; Venegas, C.J. ; Brito, T.P. ; Ruiz-León, D. ; Bollo, S. / Co2SnO4/Carbon Nanotubes Composites: A Novel Approach for Electrochemical Sensing of Hydrogen Peroxide. In: Electroanalysis. 2018 ; Vol. 30, No. 1. pp. 27-30.
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abstract = "For the first time Co2SnO4 (CTO)/Carbon nanotubes (CNT) composites were prepared and used to modify glassy carbon electrodes for the amperometric determination of hydrogen peroxide. The catalytic activity of composites towards the oxidation of hydrogen peroxide was dependent on the quantity of CNT present in the composite and to the pH of the medium. The pure cobalt stannate phase with a ratio of 3 : 1 (CTO:CNT) exhibited the best catalytic activity towards hydrogen peroxide oxidation at low potentials (0.200 and 0.500 V). A linear relationship between current and hydrogen peroxide concentration was obtained with a sensitivity of 95 and 258 μA mM−1 and a detection limit of 0.130 and 0.08 μM respectively. {\circledC} 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim",
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T1 - Co2SnO4/Carbon Nanotubes Composites: A Novel Approach for Electrochemical Sensing of Hydrogen Peroxide

AU - Yedinak, E.

AU - Venegas, C.J.

AU - Brito, T.P.

AU - Ruiz-León, D.

AU - Bollo, S.

N1 - Export Date: 6 April 2018 CODEN: ELANE Correspondence Address: Ruiz-León, D.; Laboratorio de Fisicoquímica y Electroquímica del estado Sólido, Facultad de Química y Biología, Universidad de Santiago de Chile, Av. Libertador Bernardo O'Higgins n° 3363, Chile; email: domingo.ruiz@usach.cl Funding details: IIE, Institute of International Education Funding details: 1161225 Funding details: Usach, Universidad de Santiago de Chile Funding details: ECA, Bureau of Educational and Cultural Affairs Funding details: CONICYT, Consejo Nacional de Innovación, Ciencia y Tecnología Funding text: Financial support from Conicyt-Fondecyt CHILE (Grant 1161225). C.J.V acknowledges the CONICYT scholarship for Ph.D. studies in Chile, T.P.B acknowledges USACH scholarship and E.Y. to Fulbright Program grant sponsored by the Bureau of Educational and Cultural Affairs of the United States Department of State and administered by the Institute of International Education. References: Newman, J., Turner, A., (2005) Biosens. Bioelectron., 20, pp. 2435-2453; Jin, J., Wu, W., Min, H., Wu, H., Wang, S., Ding, Y., (2017) Microchim. Acta., 184, pp. 1389-1396; Baghayeri, M., Amiri, A., Farhadi, S., (2016) Sensors Actuators B Chem., 225, pp. 354-362; Mahmood, N., Zhang, C., Hou, Y., (2013) Small, 9, pp. 1321-1328; Gerken, J., McAlpin, J., Chen, J., Rigsby, M., Casey, W., Britt, R., McAlpin, J., (2011) J. Am. Chem. Soc., 113, pp. 14431-14442; Qi, X., Gao, H., Zhang, Y., Wang, X., Chen, Y., Sun, W., (2012) Bioelectrochem., 88, pp. 42-47; Wang, M., Zhang, D., Tong, Z., Ma, W., Xu, X., (2010) Micro Nano Lett., 5, pp. 207-210; Venegas, C., Yedinak, E., Marco, J., Bollo, S., Ruiz-León, D., (2017) Sensors Actuators B Chem., 250, pp. 412-419; Yang, W., Ratinac, K., Ringer, S., Thordarson, P., Gooding, J., Braet, F., (2010) Angew. Chem. Int. Ed. Engl., 49, pp. 2114-2138; Goulart, L., de Moraes, F., Mascaro, L., (2016) Sci. Eng. C. Materials Biol. Appl., 58, pp. 768-773; Gao, C., Guo, Z., Liu, J., Huang, X., (2012) Nanoscale, 4, pp. 1948-1963; Pan, D., Chen, J., Nie, L., Tao, W., Yao, S., (2004) Anal. Biochem., 324, pp. 115-122; Mu, J., Zhang, L., Zhao, M., Wang, Y., (2013) J. Mol. Catal. A Chem., 378, pp. 30-37; Lee, K., Loh, P., Sow, C., Chin, W., (2013) Biosens. Bioelectron., 39, pp. 255-260; Ozoemena, K., Zhao, Z., Nyokong, T., (2005) Electrochem. Commun., 7, pp. 679-684

PY - 2018

Y1 - 2018

N2 - For the first time Co2SnO4 (CTO)/Carbon nanotubes (CNT) composites were prepared and used to modify glassy carbon electrodes for the amperometric determination of hydrogen peroxide. The catalytic activity of composites towards the oxidation of hydrogen peroxide was dependent on the quantity of CNT present in the composite and to the pH of the medium. The pure cobalt stannate phase with a ratio of 3 : 1 (CTO:CNT) exhibited the best catalytic activity towards hydrogen peroxide oxidation at low potentials (0.200 and 0.500 V). A linear relationship between current and hydrogen peroxide concentration was obtained with a sensitivity of 95 and 258 μA mM−1 and a detection limit of 0.130 and 0.08 μM respectively. © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

AB - For the first time Co2SnO4 (CTO)/Carbon nanotubes (CNT) composites were prepared and used to modify glassy carbon electrodes for the amperometric determination of hydrogen peroxide. The catalytic activity of composites towards the oxidation of hydrogen peroxide was dependent on the quantity of CNT present in the composite and to the pH of the medium. The pure cobalt stannate phase with a ratio of 3 : 1 (CTO:CNT) exhibited the best catalytic activity towards hydrogen peroxide oxidation at low potentials (0.200 and 0.500 V). A linear relationship between current and hydrogen peroxide concentration was obtained with a sensitivity of 95 and 258 μA mM−1 and a detection limit of 0.130 and 0.08 μM respectively. © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

KW - carbon nanotubes composites

KW - ceramic oxides

KW - Cobalt stannate

KW - electrochemical

KW - Hydrogen peroxide oxidation

U2 - 10.1002/elan.201700551

DO - 10.1002/elan.201700551

M3 - Article

VL - 30

SP - 27

EP - 30

JO - Electroanalysis

T2 - Electroanalysis

JF - Electroanalysis

SN - 1040-0397

IS - 1

ER -