A novel electrodeposited nanocatalyst of nickel nanoparticles and reduced graphene oxide doped with halogens for hydrogen evolution reaction.

Sara Abolghasemi Fakhri, Habib Ashassi-Sorkhabi, Elnaz Asghari, Hakimeh Javan

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Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 authors.

Sara Abolghasemi FakhriElectrochemistry Research Laboratory, Physical Chemistry Department, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.

Habib Ashassi-SorkhabiElectrochemistry Research Laboratory, Physical Chemistry Department, Faculty of Chemistry, University of Tabriz, Tabriz, Iran. habib.ashassi@gmail.com.

Elnaz AsghariElectrochemistry Research Laboratory, Physical Chemistry Department, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.

Hakimeh JavanElectrochemistry Research Laboratory, Physical Chemistry Department, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.

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6 · The paper itself

Abstract

Developing non-noble and high-performance metal hydrogen evolution reaction (HER) electrocatalysts is significant for hydrogen production. Doping heteroatoms on the surface of graphene is another amazing measure to improve the catalytic behavior of catalysts. In this work, halogen-doped reduced graphene oxide with nickel nanoparticles (Ni-XRGO) was investigated as an innovative electrocatalyst for the HER. The scanning electron microscopy images of the Ni-XRGO catalyst showed the leaf-like structure morphology with wide distribution. Also, the energy-dispersive X-ray spectroscopy, mapping technique, confirmed that the presence of halogens caused the homogenous distribution of Ni nanoparticles. X-ray diffraction technique confirmed the presence of doped halogens in reduced graphene oxide. The Ni-XRGO electrode with only 61 mV vs. RHE onset potential, 41 mV dec

Indexed as

Halogen-doped reduced graphene oxideHeteroatomsHomogenousHydrogen evolution reactionNi nanoparticles

Identifiers

PMID40253467

DOI10.1038/s41598-025-98890-4

PMCPMC12009351

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