Generic heterostructure interfaces bound to Co9S8 for efficient overall water splitting supported by photothermal
Copyright © 2024 Elsevier Inc. All rights reserved..
The increase of reaction temperature of electrocatalysts and the construction of heterogeneous structures is regarded as an efficient method to improve the electrocatalytic water splitting activity. Here, we report an approach to enhance the local heat and active sites of the catalyst by building a heterostructure with Co9S8 to significantly improve its electrocatalytic performance. The as-fabricated Co9S8Ce-NiCo LDH/NF electrode possesses a notable photothermal ability, as it effectively converts near-infrared (NIR) light into the local heat, owing to its significant optical absorption. Leveraging these favorable qualities, the prepared Co9S8@Ce-NiCo LDH/NF electrode showed impressive performance in both hydrogen evolution reaction (HER) (η100 = 144 mV) and oxygen evolution reaction (OER) (η100 = 229 mV) under NIR light. Compared to the absence of the NIR light, the presence of NIR irradiation leads to a 24.6 % increase in catalytic efficiency for HER and a 15.8 % increase for OER. Additionally, other dual-functional electrocatalysts like NiCo-P, NiFeMo, and NiFe(OH)x also demonstrated significantly enhanced photothermal effects and improved catalytic performance owing to the augmented photothermal conversion when combined with Co9S8. This work offers novel pathways for the development of photothermal-electrocatalytic systems that facilitate economically efficient and energy-conserving overall water splitting processes.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:662 |
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| Enthalten in: |
Journal of colloid and interface science - 662(2024) vom: 15. März, Seite 748-759 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Yang, Lei [VerfasserIn] |
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| Links: |
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| Themen: |
Co(9)S(8) |
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| Anmerkungen: |
Date Revised 12.03.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.jcis.2024.02.126 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM368677133 |
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| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Copyright © 2024 Elsevier Inc. All rights reserved. | ||
| 520 | |a The increase of reaction temperature of electrocatalysts and the construction of heterogeneous structures is regarded as an efficient method to improve the electrocatalytic water splitting activity. Here, we report an approach to enhance the local heat and active sites of the catalyst by building a heterostructure with Co9S8 to significantly improve its electrocatalytic performance. The as-fabricated Co9S8Ce-NiCo LDH/NF electrode possesses a notable photothermal ability, as it effectively converts near-infrared (NIR) light into the local heat, owing to its significant optical absorption. Leveraging these favorable qualities, the prepared Co9S8@Ce-NiCo LDH/NF electrode showed impressive performance in both hydrogen evolution reaction (HER) (η100 = 144 mV) and oxygen evolution reaction (OER) (η100 = 229 mV) under NIR light. Compared to the absence of the NIR light, the presence of NIR irradiation leads to a 24.6 % increase in catalytic efficiency for HER and a 15.8 % increase for OER. Additionally, other dual-functional electrocatalysts like NiCo-P, NiFeMo, and NiFe(OH)x also demonstrated significantly enhanced photothermal effects and improved catalytic performance owing to the augmented photothermal conversion when combined with Co9S8. This work offers novel pathways for the development of photothermal-electrocatalytic systems that facilitate economically efficient and energy-conserving overall water splitting processes | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Co(9)S(8) | |
| 650 | 4 | |a Heterogeneous | |
| 650 | 4 | |a Overall water splitting | |
| 650 | 4 | |a Photothermal effect | |
| 700 | 1 | |a Wang, Mengxiang |e verfasserin |4 aut | |
| 700 | 1 | |a Shan, Hai |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Yiming |e verfasserin |4 aut | |
| 700 | 1 | |a Peng, Yujie |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Kunhong |e verfasserin |4 aut | |
| 700 | 1 | |a Deng, Chonghai |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Hai |e verfasserin |4 aut | |
| 700 | 1 | |a Lv, Jianguo |e verfasserin |4 aut | |
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| 773 | 1 | 8 | |g volume:662 |g year:2024 |g day:15 |g month:03 |g pages:748-759 |
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