NDLI: A novel non-enzyme hydrogen peroxide sensor based on an electrode modified with carbon nanotube-wired CuO nanoflowers

Content Provider	Springer Nature Link
Author	Zhang, Keying Zhang, Na Cai, Hong Wang, Cong
Copyright Year	2011
Abstract	We have prepared a novel sensor for hydrogen peroxide that is based on a glassy carbon electrode modified with a film containing multi-walled carbon nanotubes wired to CuO nanoflowers. The nanoflowers were characterized by X-ray powder diffraction, and the electrode was characterized by cyclic voltammetry (CV) and scanning electron microscopy. The response of the modified electrode towards hydrogen peroxide was investigated by CV and chronoamperometry and showed it to exhibit high electrocatalytic activity, with a linear range from 0.5 μM to 82 μM and a detection limit of 0.16 μM. The sensor also displays excellent selectivity and stability. Graphical abstract We have prepared a novel sensor for hydrogen peroxide (H2O2) that is based on a glassy carbon electrode modified with a film containing multi-walled carbon nanotubes (MWCNTs) wired to CuO nanoflowers. The scheme shows the construction of the MWCNTs-wired CuO nanoflowers modified electrode and electrocatalytic activity towards H2O2. When H2O2 was added, the cathodic peak current of the CuO-MWCNTs/GCE remarkably increased while its anodic peak current obviously decreased. By increasing the concentration of H2O2, the cathodic peak current further increased while its anodic peak current further decreased. Indicating CuO-MWCNTs/GCE has a remarkable electrocatalytic activity for H2O2. The scheme. The construction of the MWCNTs-wired CuO nanoflowers modified electrode and electrocatalytic activity towards H2O2
Starting Page	137
Ending Page	142
Page Count	6
File Format	PDF
ISSN	00263672
Journal	Microchimica Acta
Volume Number	176
Issue Number	1-2
e-ISSN	14365073
Language	English
Publisher	Springer Vienna
Publisher Date	2011-10-06
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	CuO nanoflowers Multi-walled carbon nanotubes Hydrogen peroxide Non-enzyme electrochemical sensor Microengineering Characterization and Evaluation of Materials Nanotechnology Analytical Chemistry Nanochemistry
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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