Boron phosphide microwires based on-chip electrocatalytic oxygen evolution microdevice
Summary: Developing low-cost, high-performance metal-free electrocatalysts is crucial for sustainable oxygen evolution reactions (OERs) in alkaline media. Here, we synthesized ultra-long boron phosphide (BP) microwires along the [111] crystal axis with high yield. By controlling temperature and addi...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-02-01
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| Series: | iScience |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2589004225001191 |
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| author | Hongwei Su Qing Guo Hongtao Li Alei Li Yunlei Zhong Xu Zhang Lin Geng Shuai Liu Liuqi Dong Xiaohang Pan Lin Wang Lixing Kang |
| author_facet | Hongwei Su Qing Guo Hongtao Li Alei Li Yunlei Zhong Xu Zhang Lin Geng Shuai Liu Liuqi Dong Xiaohang Pan Lin Wang Lixing Kang |
| author_sort | Hongwei Su |
| collection | DOAJ |
| description | Summary: Developing low-cost, high-performance metal-free electrocatalysts is crucial for sustainable oxygen evolution reactions (OERs) in alkaline media. Here, we synthesized ultra-long boron phosphide (BP) microwires along the [111] crystal axis with high yield. By controlling temperature and adding Ni, we identified Ni’s role as a flux and transport agent, optimizing BP microwires at 1050°C. Electrical property and band structure analysis revealed BP as a one-dimensional p-type semiconductor with a wide band gap. We constructed an on-chip electrocatalytic microdevice using individual BP microwires to evaluate OER performance. In 1M NaOH, the BP electrode achieved 50 mA cm−2 at an overpotential of 320 mV, outperforming other boron-based catalysts. Additionally, the nanocatalyst exhibited a low Tafel value (88 mV·dec−1) and excellent stability. This study offers valuable insights for developing future electrocatalysts and electrochemical reaction models. |
| format | Article |
| id | doaj-art-70f6c050131e41b59462c860864efb9b |
| institution | Kabale University |
| issn | 2589-0042 |
| language | English |
| publishDate | 2025-02-01 |
| publisher | Elsevier |
| record_format | Article |
| series | iScience |
| spelling | doaj-art-70f6c050131e41b59462c860864efb9b2025-02-03T04:16:50ZengElsevieriScience2589-00422025-02-01282111859Boron phosphide microwires based on-chip electrocatalytic oxygen evolution microdeviceHongwei Su0Qing Guo1Hongtao Li2Alei Li3Yunlei Zhong4Xu Zhang5Lin Geng6Shuai Liu7Liuqi Dong8Xiaohang Pan9Lin Wang10Lixing Kang11School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, China; Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Division of Advanced Materials, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, ChinaKey Laboratory of Multifunctional Nanomaterials and Smart Systems, Division of Advanced Materials, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, ChinaSchool of Microelectronics, State key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, ChinaKey Laboratory of Multifunctional Nanomaterials and Smart Systems, Division of Advanced Materials, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, ChinaKey Laboratory of Multifunctional Nanomaterials and Smart Systems, Division of Advanced Materials, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, ChinaSchool of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, China; Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Division of Advanced Materials, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, ChinaKey Laboratory of Multifunctional Nanomaterials and Smart Systems, Division of Advanced Materials, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, ChinaKey Laboratory of Multifunctional Nanomaterials and Smart Systems, Division of Advanced Materials, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, ChinaKey Laboratory of Multifunctional Nanomaterials and Smart Systems, Division of Advanced Materials, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, ChinaKey Laboratory of Multifunctional Nanomaterials and Smart Systems, Division of Advanced Materials, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China; Corresponding authorKey Laboratory of Multifunctional Nanomaterials and Smart Systems, Division of Advanced Materials, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China; Corresponding authorSchool of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, China; Key Laboratory of Multifunctional Nanomaterials and Smart Systems, Division of Advanced Materials, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China; Corresponding authorSummary: Developing low-cost, high-performance metal-free electrocatalysts is crucial for sustainable oxygen evolution reactions (OERs) in alkaline media. Here, we synthesized ultra-long boron phosphide (BP) microwires along the [111] crystal axis with high yield. By controlling temperature and adding Ni, we identified Ni’s role as a flux and transport agent, optimizing BP microwires at 1050°C. Electrical property and band structure analysis revealed BP as a one-dimensional p-type semiconductor with a wide band gap. We constructed an on-chip electrocatalytic microdevice using individual BP microwires to evaluate OER performance. In 1M NaOH, the BP electrode achieved 50 mA cm−2 at an overpotential of 320 mV, outperforming other boron-based catalysts. Additionally, the nanocatalyst exhibited a low Tafel value (88 mV·dec−1) and excellent stability. This study offers valuable insights for developing future electrocatalysts and electrochemical reaction models.http://www.sciencedirect.com/science/article/pii/S2589004225001191CatalysisElectrochemical materials scienceEngineering |
| spellingShingle | Hongwei Su Qing Guo Hongtao Li Alei Li Yunlei Zhong Xu Zhang Lin Geng Shuai Liu Liuqi Dong Xiaohang Pan Lin Wang Lixing Kang Boron phosphide microwires based on-chip electrocatalytic oxygen evolution microdevice iScience Catalysis Electrochemical materials science Engineering |
| title | Boron phosphide microwires based on-chip electrocatalytic oxygen evolution microdevice |
| title_full | Boron phosphide microwires based on-chip electrocatalytic oxygen evolution microdevice |
| title_fullStr | Boron phosphide microwires based on-chip electrocatalytic oxygen evolution microdevice |
| title_full_unstemmed | Boron phosphide microwires based on-chip electrocatalytic oxygen evolution microdevice |
| title_short | Boron phosphide microwires based on-chip electrocatalytic oxygen evolution microdevice |
| title_sort | boron phosphide microwires based on chip electrocatalytic oxygen evolution microdevice |
| topic | Catalysis Electrochemical materials science Engineering |
| url | http://www.sciencedirect.com/science/article/pii/S2589004225001191 |
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