ZIF-67 derived N doped carbon embedded CoxP for superior hydrogen evolution
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Mohana Panneerselvam
, Rathinam Yuvakkumar, Ganesan Ravi
, Thambidurai Mariyappan
, Sundaramoorthy Arunmetha , Paulpandian Muthumareeswaran und Dhayalan Velauthapillai
Abstract
Developing a sustainable non-noble hybrid electrocatalyst for effective electrocatalysis is the most crucial task; particularly in sustainable hydrogen energy production in the realm of energy conversion. In this work, effective thermal pyrolysis process followed by phosphorization strategy was employed to prepare and fabricate ZIF-67 (Zeolitic imidazole) assisted Co2P/N doped carbon electrocatalyst for hydrogen evolution reaction (HER). The optimized Co2P/N–C electrocatalyst exhibited hollow porous nanostructures as confirmed from the scanning electron microscopy. The achieved porous nanostructure improved the efficiency of the charge and mass transportation which is confirmed by the BET analysis, has high surface area value of 94.731 m2/g. In addition, a transition metal atom can regulate reactants adsorption and desorption capacity by modulating Co and P electronic configuration. The electrochemical studies of fabricated ZIF-67 derived Co2P/N–C electrode were analyzed using 1.0 M alkaline potassium hydroxide (KOH) medium in 3 electrode system process. Whilst, optimizing the pyrolysis temperature during the phosphorization will remarkably enhance the favourable characteristics of the hydrogen generation. Notably, the optimized ZIF-67 derived Co2P/NC at 350 °C electrode exhibited low overpotential (135 mV) at minimum 10 mA/cm2 and low 120.3 mV/dec Tafel slope. Besides, electrode stability at 10 mA/cm2 current density was verified by chronoamperometry test. Hence, this study furnishes the potential technique for the development of advanced hybrid MOF electrocatalyst as a successful alternative on large scale.
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Research ethics: Not applicable.
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Informed consent: Not applicable.
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Author contributions: P. Mohana: conceptualization, writing - original draft, writing - review and editing; R. Yuvakkumar: writing - review and editing, supervision, resources; G. Ravi: investigation, writing - review and editing; M. Thambidurai: writing - review and editing, resources; S. Arun Metha: formal analysis, validation; P. Muthumareeswaran: investigation, formal analysis, validation; D. Velauthapillai: investigation, formal analysis, validation.
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Use of Large Language Models, AI and Machine Learning Tools: None declared.
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Conflict of interest: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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Research funding: This work was supported by UGC-SAP, DST-FIST, DST-PURSE and RUSA grants in India.
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Data availability: Data will be available on request.
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Artikel in diesem Heft
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- Exploring the photocatalytic efficacy of core–shell CeO2/TiO2 nanocomposite synthesized via solution combustion synthesis
- Catalyst efficiency through the disorder kinetics to identify its nonlinearity in their properties of Ag3PO4@TiO2 catalyst using UV–visible spectroscopy
- Evaluation of detoxification performance of Pithecellobium dulce seed pod powder upon acid treatment: removal of reactive red 195-A dye and kinetic analysis
- Quantum chemical calculations and molecular docking studies of 5-amino-3-(2,5-dimethoxyphenyl)-1-isonicotinoyl-2,3-dihydro-1H-pyrazole-4-carbonitrile
- Enhancing the electrochemical performance of Ni-doped CuCo2O4 electrode material through 2D layered sheets
- Synthesis, characterization and photo catalytic activity of silver nano particle derived from Arachis hypogaea L. seed peel extracts
- The antibacterial efficacy of reduced graphene oxide (rGO) and rGO/ZnO composites produced through thermal pyrolysis method against various bacterial strains
- Empirical investigation and performance evaluation of flat-plate solar water heating systems: a comparative analysis with and without heat exchangers
- ZIF-67 derived N doped carbon embedded CoxP for superior hydrogen evolution
Artikel in diesem Heft
- Frontmatter
- Contributions to “Materials for solar water splitting”
- Hydrothermally synthesized transition metal doped ZnO nanorods for dye degradation and antibacterial activity
- Exploring the photocatalytic efficacy of core–shell CeO2/TiO2 nanocomposite synthesized via solution combustion synthesis
- Catalyst efficiency through the disorder kinetics to identify its nonlinearity in their properties of Ag3PO4@TiO2 catalyst using UV–visible spectroscopy
- Evaluation of detoxification performance of Pithecellobium dulce seed pod powder upon acid treatment: removal of reactive red 195-A dye and kinetic analysis
- Quantum chemical calculations and molecular docking studies of 5-amino-3-(2,5-dimethoxyphenyl)-1-isonicotinoyl-2,3-dihydro-1H-pyrazole-4-carbonitrile
- Enhancing the electrochemical performance of Ni-doped CuCo2O4 electrode material through 2D layered sheets
- Synthesis, characterization and photo catalytic activity of silver nano particle derived from Arachis hypogaea L. seed peel extracts
- The antibacterial efficacy of reduced graphene oxide (rGO) and rGO/ZnO composites produced through thermal pyrolysis method against various bacterial strains
- Empirical investigation and performance evaluation of flat-plate solar water heating systems: a comparative analysis with and without heat exchangers
- ZIF-67 derived N doped carbon embedded CoxP for superior hydrogen evolution