Durable Acidic Oxygen Evolution Via Self-Construction of Iridium Oxide/Iridium-Tantalum Oxide Bi-Layer Nanostructure with Dynamic Replenishment of Active Sites
Highlights A self-constructed catalyst with in situ formed IrO2/IrTaO x bi-layer nanostructure was fabricated for high-efficiency acidic oxygen evolution reaction by using an Ir–Ta-based metallic glass as the matrix. The coordinated nature of the catalyst’s active site is manipulated through electro...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2025-02-01
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| Series: | Nano-Micro Letters |
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| Online Access: | https://doi.org/10.1007/s40820-025-01680-w |
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| author | Qi Guo Rui Li Yanan Zhang Qiqin Zhang Yi He Zhibin Li Weihong Liu Xiongjun Liu Zhaoping Lu |
| author_facet | Qi Guo Rui Li Yanan Zhang Qiqin Zhang Yi He Zhibin Li Weihong Liu Xiongjun Liu Zhaoping Lu |
| author_sort | Qi Guo |
| collection | DOAJ |
| description | Highlights A self-constructed catalyst with in situ formed IrO2/IrTaO x bi-layer nanostructure was fabricated for high-efficiency acidic oxygen evolution reaction by using an Ir–Ta-based metallic glass as the matrix. The coordinated nature of the catalyst’s active site is manipulated through electronic interaction between Ir and Ta, resulting in superior activity and stability. The underlying amorphous IrTaO x layer dynamically replenishes the depletion of surface Ir sites through inward crystallization and selective dissolution to ensure long-term durability. |
| format | Article |
| id | doaj-art-373c41934d8a44ce90c1ef6be231a779 |
| institution | Kabale University |
| issn | 2311-6706 2150-5551 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Nano-Micro Letters |
| spelling | doaj-art-373c41934d8a44ce90c1ef6be231a7792025-08-20T04:03:00ZengSpringerOpenNano-Micro Letters2311-67062150-55512025-02-0117111510.1007/s40820-025-01680-wDurable Acidic Oxygen Evolution Via Self-Construction of Iridium Oxide/Iridium-Tantalum Oxide Bi-Layer Nanostructure with Dynamic Replenishment of Active SitesQi Guo0Rui Li1Yanan Zhang2Qiqin Zhang3Yi He4Zhibin Li5Weihong Liu6Xiongjun Liu7Zhaoping Lu8Institute of Clean Energy, Yangtze River Delta Research Institute, Northwestern Polytechnical UniversityInstitute of Clean Energy, Yangtze River Delta Research Institute, Northwestern Polytechnical UniversityInstitute of Clean Energy, Yangtze River Delta Research Institute, Northwestern Polytechnical UniversityInstitute of Clean Energy, Yangtze River Delta Research Institute, Northwestern Polytechnical UniversityInstitute of Clean Energy, Yangtze River Delta Research Institute, Northwestern Polytechnical UniversityBeijing Advanced Innovation Center for Materials Genome Engineering, State Key Laboratory for Advanced Metals and Materials, University of Science and Technology BeijingSchool of Materials Science and Engineering, Harbin Institute of Technology ShenzhenBeijing Advanced Innovation Center for Materials Genome Engineering, State Key Laboratory for Advanced Metals and Materials, University of Science and Technology BeijingBeijing Advanced Innovation Center for Materials Genome Engineering, State Key Laboratory for Advanced Metals and Materials, University of Science and Technology BeijingHighlights A self-constructed catalyst with in situ formed IrO2/IrTaO x bi-layer nanostructure was fabricated for high-efficiency acidic oxygen evolution reaction by using an Ir–Ta-based metallic glass as the matrix. The coordinated nature of the catalyst’s active site is manipulated through electronic interaction between Ir and Ta, resulting in superior activity and stability. The underlying amorphous IrTaO x layer dynamically replenishes the depletion of surface Ir sites through inward crystallization and selective dissolution to ensure long-term durability.https://doi.org/10.1007/s40820-025-01680-wSelf-constructionNanoporousElectronic interactionReplenishmentProton exchange membrane (PEM) water electrolysis |
| spellingShingle | Qi Guo Rui Li Yanan Zhang Qiqin Zhang Yi He Zhibin Li Weihong Liu Xiongjun Liu Zhaoping Lu Durable Acidic Oxygen Evolution Via Self-Construction of Iridium Oxide/Iridium-Tantalum Oxide Bi-Layer Nanostructure with Dynamic Replenishment of Active Sites Nano-Micro Letters Self-construction Nanoporous Electronic interaction Replenishment Proton exchange membrane (PEM) water electrolysis |
| title | Durable Acidic Oxygen Evolution Via Self-Construction of Iridium Oxide/Iridium-Tantalum Oxide Bi-Layer Nanostructure with Dynamic Replenishment of Active Sites |
| title_full | Durable Acidic Oxygen Evolution Via Self-Construction of Iridium Oxide/Iridium-Tantalum Oxide Bi-Layer Nanostructure with Dynamic Replenishment of Active Sites |
| title_fullStr | Durable Acidic Oxygen Evolution Via Self-Construction of Iridium Oxide/Iridium-Tantalum Oxide Bi-Layer Nanostructure with Dynamic Replenishment of Active Sites |
| title_full_unstemmed | Durable Acidic Oxygen Evolution Via Self-Construction of Iridium Oxide/Iridium-Tantalum Oxide Bi-Layer Nanostructure with Dynamic Replenishment of Active Sites |
| title_short | Durable Acidic Oxygen Evolution Via Self-Construction of Iridium Oxide/Iridium-Tantalum Oxide Bi-Layer Nanostructure with Dynamic Replenishment of Active Sites |
| title_sort | durable acidic oxygen evolution via self construction of iridium oxide iridium tantalum oxide bi layer nanostructure with dynamic replenishment of active sites |
| topic | Self-construction Nanoporous Electronic interaction Replenishment Proton exchange membrane (PEM) water electrolysis |
| url | https://doi.org/10.1007/s40820-025-01680-w |
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