NDLI: One-step preparation of a composite consisting of graphene oxide, Prussian blue and chitosan for electrochemical sensing of hydrogen peroxide

Content Provider	Springer Nature Link
Author	Gong, Heqing Sun, Muhua Fan, Runhua Qian, Lei
Copyright Year	2012
Abstract	We report on the single-step preparation of a composite consisting of graphene oxide (GO), Prussian blue (PB) and chitosan (Chit) that was deposited on a glassy carbon electrode and then used to determine hydrogen peroxide. The composite was obtained by mixing GO, Chit, potassium ferricyanide and ferric chloride and keeping it at 90 °C for 1 h. This method is simple and inexpensive, and does not require purification, centrifugation or sedimentation. Scanning electron microscopy, UV-vis spectroscopy, Fourier transform IR spectroscopy and X-ray diffraction were used to characterize the GO-PB-Chit composites and revealed that PB nanoparticles were formed and uniformly distributed on the surfaces of the GO due to the integrating effects of Chit and GO. The composite displayed electrocatalytic activity in the reduction of hydrogen peroxide to which it responded with good linear relationship in the 1.0 μM to 1.0 mM concentration range, with a detection limit of 0.1 μM (at S/N = 3). Figure One-step preparation of graphene oxide (GO)-Prussian blue (PB)-chitosan (Chit) composites for H2O2 detection is reported. This method is simple and low-cost, and can be completed by the one-step process without further process like purification, centrifugation and sedimentation
Starting Page	295
Ending Page	301
Page Count	7
File Format	PDF
ISSN	00263672
Journal	Microchimica Acta
Volume Number	180
Issue Number	3-4
e-ISSN	14365073
Language	English
Publisher	Springer Vienna
Publisher Date	2012-12-20
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Graphene oxide Prussian blue Chitsoan Hydrogen peroxide Nanochemistry Nanotechnology Characterization and Evaluation of Materials Analytical Chemistry Microengineering
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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