Chemical Transformation Induced Core–Shell Ni<sub>2</sub>P@Fe<sub>2</sub>P Heterostructures toward Efficient Electrocatalytic Oxygen Evolution
The oxygen evolution reaction (OER) is a crucial reaction in water splitting, metal–air batteries, and other electrochemical conversion technologies. Rationally designed catalysts with rich active sites and high intrinsic activity have been considered as a hopeful strategy to address the sluggish ki...
| Main Authors: | , , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2022-09-01
|
| Series: | Nanomaterials |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2079-4991/12/18/3153 |
| _version_ | 1827658224529047552 |
|---|---|
| author | Huijun Song Jingjing Li Guan Sheng Ruilian Yin Yanghang Fang Shigui Zhong Juan Luo Zhi Wang Ahmad Azmin Mohamad Wei Shao |
| author_facet | Huijun Song Jingjing Li Guan Sheng Ruilian Yin Yanghang Fang Shigui Zhong Juan Luo Zhi Wang Ahmad Azmin Mohamad Wei Shao |
| author_sort | Huijun Song |
| collection | DOAJ |
| description | The oxygen evolution reaction (OER) is a crucial reaction in water splitting, metal–air batteries, and other electrochemical conversion technologies. Rationally designed catalysts with rich active sites and high intrinsic activity have been considered as a hopeful strategy to address the sluggish kinetics for OER. However, constructing such active sites in non-noble catalysts still faces grand challenges. To this end, we fabricate a Ni<sub>2</sub>P@Fe<sub>2</sub>P core–shell structure with outperforming performance toward OER via chemical transformation of rationally designed Ni-MOF hybrid nanosheets. Specifically, the Ni-MOF nanosheets and their supported Fe-based nanomaterials were in situ transformed into porous Ni<sub>2</sub>P@Fe<sub>2</sub>P core–shell nanosheets composed of Ni<sub>2</sub>P and Fe<sub>2</sub>P nanodomains in homogenous dispersion via a phosphorization process. When employed as the OER electrocatalyst, the Ni<sub>2</sub>P@Fe<sub>2</sub>P core–shell nanosheets exhibits excellent OER performance, with a low overpotential of 238/247 mV to drive 50/100 mA cm<sup>−2</sup>, a small Tafel slope of 32.91 mV dec<sup>−1</sup>, as well as outstanding durability, which could be mainly ascribed to the strong electronic interaction between Ni<sub>2</sub>P and Fe<sub>2</sub>P nanodomains stabilizing more Ni and Fe atoms with higher valence. These high-valence metal sites promote the generation of high-active Ni/FeOOH to enhance OER activity. |
| first_indexed | 2024-03-09T22:57:48Z |
| format | Article |
| id | doaj.art-1ff647195456441a8819bd9da973d90f |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-09T22:57:48Z |
| publishDate | 2022-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj.art-1ff647195456441a8819bd9da973d90f2023-11-23T18:06:24ZengMDPI AGNanomaterials2079-49912022-09-011218315310.3390/nano12183153Chemical Transformation Induced Core–Shell Ni<sub>2</sub>P@Fe<sub>2</sub>P Heterostructures toward Efficient Electrocatalytic Oxygen EvolutionHuijun Song0Jingjing Li1Guan Sheng2Ruilian Yin3Yanghang Fang4Shigui Zhong5Juan Luo6Zhi Wang7Ahmad Azmin Mohamad8Wei Shao9State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, ChinaState Key Laboratory Breeding Base of Green Chemistry Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, ChinaSchool of Materials and Mineral Resources Engineering, University Sains Malaysia, Nibong Tebal 14300, MalaysiaState Key Laboratory Breeding Base of Green Chemistry Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, ChinaState Key Laboratory Breeding Base of Green Chemistry Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, ChinaState Key Laboratory Breeding Base of Green Chemistry Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, ChinaState Key Laboratory Breeding Base of Green Chemistry Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, ChinaState Key Laboratory Breeding Base of Green Chemistry Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, ChinaSchool of Materials and Mineral Resources Engineering, University Sains Malaysia, Nibong Tebal 14300, MalaysiaState Key Laboratory Breeding Base of Green Chemistry Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, ChinaThe oxygen evolution reaction (OER) is a crucial reaction in water splitting, metal–air batteries, and other electrochemical conversion technologies. Rationally designed catalysts with rich active sites and high intrinsic activity have been considered as a hopeful strategy to address the sluggish kinetics for OER. However, constructing such active sites in non-noble catalysts still faces grand challenges. To this end, we fabricate a Ni<sub>2</sub>P@Fe<sub>2</sub>P core–shell structure with outperforming performance toward OER via chemical transformation of rationally designed Ni-MOF hybrid nanosheets. Specifically, the Ni-MOF nanosheets and their supported Fe-based nanomaterials were in situ transformed into porous Ni<sub>2</sub>P@Fe<sub>2</sub>P core–shell nanosheets composed of Ni<sub>2</sub>P and Fe<sub>2</sub>P nanodomains in homogenous dispersion via a phosphorization process. When employed as the OER electrocatalyst, the Ni<sub>2</sub>P@Fe<sub>2</sub>P core–shell nanosheets exhibits excellent OER performance, with a low overpotential of 238/247 mV to drive 50/100 mA cm<sup>−2</sup>, a small Tafel slope of 32.91 mV dec<sup>−1</sup>, as well as outstanding durability, which could be mainly ascribed to the strong electronic interaction between Ni<sub>2</sub>P and Fe<sub>2</sub>P nanodomains stabilizing more Ni and Fe atoms with higher valence. These high-valence metal sites promote the generation of high-active Ni/FeOOH to enhance OER activity.https://www.mdpi.com/2079-4991/12/18/3153Ni<sub>2</sub>P@Fe<sub>2</sub>Pheterostructuresoxygen evolution reaction |
| spellingShingle | Huijun Song Jingjing Li Guan Sheng Ruilian Yin Yanghang Fang Shigui Zhong Juan Luo Zhi Wang Ahmad Azmin Mohamad Wei Shao Chemical Transformation Induced Core–Shell Ni<sub>2</sub>P@Fe<sub>2</sub>P Heterostructures toward Efficient Electrocatalytic Oxygen Evolution Nanomaterials Ni<sub>2</sub>P@Fe<sub>2</sub>P heterostructures oxygen evolution reaction |
| title | Chemical Transformation Induced Core–Shell Ni<sub>2</sub>P@Fe<sub>2</sub>P Heterostructures toward Efficient Electrocatalytic Oxygen Evolution |
| title_full | Chemical Transformation Induced Core–Shell Ni<sub>2</sub>P@Fe<sub>2</sub>P Heterostructures toward Efficient Electrocatalytic Oxygen Evolution |
| title_fullStr | Chemical Transformation Induced Core–Shell Ni<sub>2</sub>P@Fe<sub>2</sub>P Heterostructures toward Efficient Electrocatalytic Oxygen Evolution |
| title_full_unstemmed | Chemical Transformation Induced Core–Shell Ni<sub>2</sub>P@Fe<sub>2</sub>P Heterostructures toward Efficient Electrocatalytic Oxygen Evolution |
| title_short | Chemical Transformation Induced Core–Shell Ni<sub>2</sub>P@Fe<sub>2</sub>P Heterostructures toward Efficient Electrocatalytic Oxygen Evolution |
| title_sort | chemical transformation induced core shell ni sub 2 sub p fe sub 2 sub p heterostructures toward efficient electrocatalytic oxygen evolution |
| topic | Ni<sub>2</sub>P@Fe<sub>2</sub>P heterostructures oxygen evolution reaction |
| url | https://www.mdpi.com/2079-4991/12/18/3153 |
| work_keys_str_mv | AT huijunsong chemicaltransformationinducedcoreshellnisub2subpfesub2subpheterostructurestowardefficientelectrocatalyticoxygenevolution AT jingjingli chemicaltransformationinducedcoreshellnisub2subpfesub2subpheterostructurestowardefficientelectrocatalyticoxygenevolution AT guansheng chemicaltransformationinducedcoreshellnisub2subpfesub2subpheterostructurestowardefficientelectrocatalyticoxygenevolution AT ruilianyin chemicaltransformationinducedcoreshellnisub2subpfesub2subpheterostructurestowardefficientelectrocatalyticoxygenevolution AT yanghangfang chemicaltransformationinducedcoreshellnisub2subpfesub2subpheterostructurestowardefficientelectrocatalyticoxygenevolution AT shiguizhong chemicaltransformationinducedcoreshellnisub2subpfesub2subpheterostructurestowardefficientelectrocatalyticoxygenevolution AT juanluo chemicaltransformationinducedcoreshellnisub2subpfesub2subpheterostructurestowardefficientelectrocatalyticoxygenevolution AT zhiwang chemicaltransformationinducedcoreshellnisub2subpfesub2subpheterostructurestowardefficientelectrocatalyticoxygenevolution AT ahmadazminmohamad chemicaltransformationinducedcoreshellnisub2subpfesub2subpheterostructurestowardefficientelectrocatalyticoxygenevolution AT weishao chemicaltransformationinducedcoreshellnisub2subpfesub2subpheterostructurestowardefficientelectrocatalyticoxygenevolution |