{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Kagkoura A"],"funding":["Government of Aragon","EU H2020 \"ESTEEM3\"","EU H2020 “ESTEEM3”","Spanish MICINN","Graphene Flagship"],"pagination":["35"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9824367"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["13(1)"],"pubmed_abstract":["Easy and effective modification approaches for transition metal dichalcogenides are highly desired in order to make them active toward electrocatalysis. In this manner, we report functionalized molybdenum diselenide (MoSe<sub>2</sub>) and tungsten diselenide (WSe<sub>2</sub>) via metal-ligand coordination with pyridine rings for the subsequent covalent grafting of a cobalt-porphyrin. The new hybrid materials were tested towards an electrocatalytic hydrogen evolution reaction in both acidic and alkaline media and showed enhanced activity compared to intact MoSe<sub>2</sub> and WSe<sub>2</sub>. Hybrids exhibited lower overpotential, easier reaction kinetics, higher conductivity, and excellent stability after 10,000 ongoing cycles in acidic and alkaline electrolytes compared to MoSe<sub>2</sub> and WSe<sub>2</sub>. Markedly, MoSe<sub>2</sub>-based hybrid material showed the best performance and marked a significantly low onset potential of -0.17 V vs RHE for acidic hydrogen evolution reaction. All in all, the ease and fast modification route provides a versatile functionalization procedure, extendable to other transition metal dichalcogenides, and can open new pathways for the realization of functional nanomaterials suitable in electrocatalysis."],"journal":["Nanomaterials (Basel, Switzerland)"],"pubmed_title":["Molybdenum Diselenide and Tungsten Diselenide Interfacing Cobalt-Porphyrin for Electrocatalytic Hydrogen Evolution in Alkaline and Acidic Media."],"pmcid":["PMC9824367"],"funding_grant_id":["Grant number 823717","881603","823717","PID2019-104739GB-100/AEI/10.13039/501100011033","DGA E13-20R"],"pubmed_authors":["Kagkoura A","Stangel C","Tagmatarchis N","Arenal R"],"additional_accession":[]},"is_claimable":false,"name":"Molybdenum Diselenide and Tungsten Diselenide Interfacing Cobalt-Porphyrin for Electrocatalytic Hydrogen Evolution in Alkaline and Acidic Media.","description":"Easy and effective modification approaches for transition metal dichalcogenides are highly desired in order to make them active toward electrocatalysis. In this manner, we report functionalized molybdenum diselenide (MoSe<sub>2</sub>) and tungsten diselenide (WSe<sub>2</sub>) via metal-ligand coordination with pyridine rings for the subsequent covalent grafting of a cobalt-porphyrin. The new hybrid materials were tested towards an electrocatalytic hydrogen evolution reaction in both acidic and alkaline media and showed enhanced activity compared to intact MoSe<sub>2</sub> and WSe<sub>2</sub>. Hybrids exhibited lower overpotential, easier reaction kinetics, higher conductivity, and excellent stability after 10,000 ongoing cycles in acidic and alkaline electrolytes compared to MoSe<sub>2</sub> and WSe<sub>2</sub>. Markedly, MoSe<sub>2</sub>-based hybrid material showed the best performance and marked a significantly low onset potential of -0.17 V vs RHE for acidic hydrogen evolution reaction. All in all, the ease and fast modification route provides a versatile functionalization procedure, extendable to other transition metal dichalcogenides, and can open new pathways for the realization of functional nanomaterials suitable in electrocatalysis.","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Dec","modification":"2025-08-17T03:05:59.854Z","creation":"2025-04-04T20:33:23.113Z"},"accession":"S-EPMC9824367","cross_references":{"pubmed":["36615945"],"doi":["10.3390/nano13010035"]}}