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A novel nonenzymatic hydrogen peroxide amperometric sensor based on AgNp@GNR nanocomposites modified screen-printed carbon electrode

Authorized Users Only
2020
Authors
Stanković, Vesna
Đurđić, Slađana
Ognjanović, Miloš
Mutić, Jelena
Kalcher, Kurt
Stanković, Dalibor
Article (Published version)
,
Elsevier
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Abstract
A nonenzymatic hydrogen-peroxide sensor was developed by utilization of silver nanoparticles and graphene nanoribbons. The mentioned composite was inflicted on a screen-printed carbon electrode which provides disposable, ready-to-use sensor. The structure and morphology of the nanocomposite were analyzed by scanning electron microscopy and X-ray diffraction. The sensor has excellent performance toward H2O2 amperometric detection. Figures of merit include dynamic response range from 0.05 to 5 mM and detection limit of 20 μM (at S/N =3). The fabricated sensor was used for the determination ofH2O2 in milk samples. The obtained results showed that the proposed AgNp@ GNR/SPCE sensor can be used for the determination of hydrogen peroxide in real samples.
Keywords:
Graphene nanoribbons / Screen printed carbon electrode / Hydrogen peroxide / Enzyme-less hydrogen peroxide sensor
Source:
Journal of Electroanalytical Chemistry, 2020, 876, 114487-
Publisher:
  • Elsevier
Projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200026 (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - IChTM) (RS-200026)
  • Eureka project E!13303 MED-BIOTEST
  • CEEPUS network (mobility; CIII-CZ- 0212-12-1819-M-120151)
Note:
  • The peer-reviewed version: http://cer.ihtm.bg.ac.rs/handle/123456789/3613

DOI: 10.1016/j.jelechem.2020.114487

ISSN: 1572-6657

WoS: 000581151800011

Scopus: 2-s2.0-85089141290
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/3612
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