One‐pot Electrochemical Synthesis of Ni Nanoparticles‐decorated Electroreduced Graphene Oxide for Improved NADH Sensing

Ni nanoparticles (NPs) decorated electrochemical reduced graphene oxide (NiNPs/ERGO) nanocomposites (NCs) on ITO electrode were successfully fabricated using one‐pot simultaneously electrochemical co‐reduction method at room temperature. The NiNPs/ERGO electrodes demonstrated very good electrocataly...

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Bibliographic Details
Published in:Electroanalysis (New York, N.Y.) N.Y.), 2020-10, Vol.32 (10), p.2323-2329
Main Authors: Urhan, Bingül Kurt, Öztürk Doğan, Hülya, Öznülüer Özer, Tuba, Demir, Ümit
Format: Article
Language:English
Subjects:
Electrochemical reduction
Electrooxidation of NADH
NADH sensing
Ni nanoparticles
reduced graphene oxide
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Summary:Ni nanoparticles (NPs) decorated electrochemical reduced graphene oxide (NiNPs/ERGO) nanocomposites (NCs) on ITO electrode were successfully fabricated using one‐pot simultaneously electrochemical co‐reduction method at room temperature. The NiNPs/ERGO electrodes demonstrated very good electrocatalytic activity in the oxidation of NADH at a low oxidation potential (∼+430 mV), a wide linear range (1–500 μM), a calculated detection limit of 0.002 μM. Compared to ERGO and NiNPs electrodes, the synthesized NiNPs/ERGO NCs have high electrocatalytic activity due to synergistic effect emerged between NiNPs and ERGO. The results indicated that the NiNPs/ERGO NCs can be easily prepared by one‐pot electrochemical technique and NiNPs/ERGO could used to as potential biosensor for the NADH detection.
ISSN:1040-0397
1521-4109
DOI:10.1002/elan.202060117