Constructing Neuron-like Structured NiS<sub>2</sub>/MOF Composites with Enhanced Regulation of Electron Transport and Active Sites for Oxygen Evolution
Constructing fast electron transfer pathways and abundant electro-active sites is an effective strategy to improve the oxygen evolution reaction (OER) performance of catalysts. Herein, structural engineering and dual-phase engineering were employed to construct a NiS<sub>2</sub> nanopart...
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| Format: | Article |
| Language: | English |
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MDPI AG
2024-12-01
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| Series: | Molecules |
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| Online Access: | https://www.mdpi.com/1420-3049/30/1/80 |
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| _version_ | 1841549097663725568 |
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| author | Yanli Guo Di Zhou Yanyan Huang Xiaolong Song Wei He |
| author_facet | Yanli Guo Di Zhou Yanyan Huang Xiaolong Song Wei He |
| author_sort | Yanli Guo |
| collection | DOAJ |
| description | Constructing fast electron transfer pathways and abundant electro-active sites is an effective strategy to improve the oxygen evolution reaction (OER) performance of catalysts. Herein, structural engineering and dual-phase engineering were employed to construct a NiS<sub>2</sub> nanoparticle-encapsulated MOF configured with a pseudo-neuronal structure (NiS<sub>2</sub>/MOF/HT). It was found that the pseudo-neuronal structure, constructed with a carbon nanohorn (CNH) and carbon nanotube (CNT), provided fast electron transfer pathways and abundant exposed active sites. Moreover, the NiS<sub>2</sub>/MOF/HT composite obtained via partial vulcanization not only inherited the pseudo-neuronal structure but also prevented the aggregation and growth of NiS<sub>2</sub> particles. NiS<sub>2</sub>/MOF composites provide various active sites. With the combination of the promotion of electronic transfer and enrichment of electro-active sites (NiS<sub>2</sub>, MOF), NiS<sub>2</sub>/MOF/HT showed excellent performance, whose overpotential at 25 mA cm<sup>−2</sup> was reduced by 19.5% compared with MOF/HT. |
| format | Article |
| id | doaj-art-c66ee966c447485fb8c2deaa6296be5c |
| institution | Kabale University |
| issn | 1420-3049 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Molecules |
| spelling | doaj-art-c66ee966c447485fb8c2deaa6296be5c2025-01-10T13:18:49ZengMDPI AGMolecules1420-30492024-12-013018010.3390/molecules30010080Constructing Neuron-like Structured NiS<sub>2</sub>/MOF Composites with Enhanced Regulation of Electron Transport and Active Sites for Oxygen EvolutionYanli Guo0Di Zhou1Yanyan Huang2Xiaolong Song3Wei He4School of Mechanical Engineering, Chengdu University, Chengdu 610106, ChinaSchool of Mechanical Engineering, Chengdu University, Chengdu 610106, ChinaSchool of Mechanical Engineering, Chengdu University, Chengdu 610106, ChinaState Key Laboratory for Mechanical Behaviour of Materials, Xi’an Jiaotong University, Xi’an 710049, ChinaSchool of Aeronautics and Astronautics, Sichuan Univeristy, Chengdu 610065, ChinaConstructing fast electron transfer pathways and abundant electro-active sites is an effective strategy to improve the oxygen evolution reaction (OER) performance of catalysts. Herein, structural engineering and dual-phase engineering were employed to construct a NiS<sub>2</sub> nanoparticle-encapsulated MOF configured with a pseudo-neuronal structure (NiS<sub>2</sub>/MOF/HT). It was found that the pseudo-neuronal structure, constructed with a carbon nanohorn (CNH) and carbon nanotube (CNT), provided fast electron transfer pathways and abundant exposed active sites. Moreover, the NiS<sub>2</sub>/MOF/HT composite obtained via partial vulcanization not only inherited the pseudo-neuronal structure but also prevented the aggregation and growth of NiS<sub>2</sub> particles. NiS<sub>2</sub>/MOF composites provide various active sites. With the combination of the promotion of electronic transfer and enrichment of electro-active sites (NiS<sub>2</sub>, MOF), NiS<sub>2</sub>/MOF/HT showed excellent performance, whose overpotential at 25 mA cm<sup>−2</sup> was reduced by 19.5% compared with MOF/HT.https://www.mdpi.com/1420-3049/30/1/80pseudo-neuronal structuremetal–organic frameworknickel sulfide heteroparticlesoxygen evolution reactions |
| spellingShingle | Yanli Guo Di Zhou Yanyan Huang Xiaolong Song Wei He Constructing Neuron-like Structured NiS<sub>2</sub>/MOF Composites with Enhanced Regulation of Electron Transport and Active Sites for Oxygen Evolution Molecules pseudo-neuronal structure metal–organic framework nickel sulfide heteroparticles oxygen evolution reactions |
| title | Constructing Neuron-like Structured NiS<sub>2</sub>/MOF Composites with Enhanced Regulation of Electron Transport and Active Sites for Oxygen Evolution |
| title_full | Constructing Neuron-like Structured NiS<sub>2</sub>/MOF Composites with Enhanced Regulation of Electron Transport and Active Sites for Oxygen Evolution |
| title_fullStr | Constructing Neuron-like Structured NiS<sub>2</sub>/MOF Composites with Enhanced Regulation of Electron Transport and Active Sites for Oxygen Evolution |
| title_full_unstemmed | Constructing Neuron-like Structured NiS<sub>2</sub>/MOF Composites with Enhanced Regulation of Electron Transport and Active Sites for Oxygen Evolution |
| title_short | Constructing Neuron-like Structured NiS<sub>2</sub>/MOF Composites with Enhanced Regulation of Electron Transport and Active Sites for Oxygen Evolution |
| title_sort | constructing neuron like structured nis sub 2 sub mof composites with enhanced regulation of electron transport and active sites for oxygen evolution |
| topic | pseudo-neuronal structure metal–organic framework nickel sulfide heteroparticles oxygen evolution reactions |
| url | https://www.mdpi.com/1420-3049/30/1/80 |
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