Enhanced Hydrogen Evolution Catalysis of Pentlandite due to the Increases in Coordination Number and Sulfur Vacancy during Cubic-Hexagonal Phase Transition
© 2024 The Authors. Small published by Wiley-VCH GmbH..
The search for new phases is an important direction in materials science. The phase transition of sulfides results in significant changes in catalytic performance, such as MoS2 and WS2 . Cubic pentlandite [cPn, (Fe, Ni)9 S8 ] can be a functional material in batteries, solar cells, and catalytic fields. However, no report about the material properties of other phases of pentlandite exists. In this study, the unit-cell parameters of a new phase of pentlandite, sulfur-vacancy enriched hexagonal pentlandite (hPn), and the phase boundary between cPn and hPn are determined for the first time. Compared to cPn, the hPn shows a high coordination number, more sulfur vacancies, and high conductivity, which result in significantly higher hydrogen evolution performance of hPn than that of cPn and make the non-nano rock catalyst hPn superior to other most known nanosulfide catalysts. The increase of sulfur vacancies during phase transition provides a new approach to designing functional materials.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
Small (Weinheim an der Bergstrasse, Germany) - (2024) vom: 08. März, Seite e2311161 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liu, Yuegao [VerfasserIn] |
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| Links: |
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| Themen: |
Hexagonal pentlandite |
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| Anmerkungen: |
Date Revised 08.03.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1002/smll.202311161 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM369461312 |
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| 245 | 1 | 0 | |a Enhanced Hydrogen Evolution Catalysis of Pentlandite due to the Increases in Coordination Number and Sulfur Vacancy during Cubic-Hexagonal Phase Transition |
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| 520 | |a © 2024 The Authors. Small published by Wiley-VCH GmbH. | ||
| 520 | |a The search for new phases is an important direction in materials science. The phase transition of sulfides results in significant changes in catalytic performance, such as MoS2 and WS2 . Cubic pentlandite [cPn, (Fe, Ni)9 S8 ] can be a functional material in batteries, solar cells, and catalytic fields. However, no report about the material properties of other phases of pentlandite exists. In this study, the unit-cell parameters of a new phase of pentlandite, sulfur-vacancy enriched hexagonal pentlandite (hPn), and the phase boundary between cPn and hPn are determined for the first time. Compared to cPn, the hPn shows a high coordination number, more sulfur vacancies, and high conductivity, which result in significantly higher hydrogen evolution performance of hPn than that of cPn and make the non-nano rock catalyst hPn superior to other most known nanosulfide catalysts. The increase of sulfur vacancies during phase transition provides a new approach to designing functional materials | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a hexagonal pentlandite | |
| 650 | 4 | |a hydrogen evolution reaction | |
| 650 | 4 | |a phase transition | |
| 650 | 4 | |a sulfur vacancy | |
| 650 | 4 | |a transition metal | |
| 700 | 1 | |a Cai, Chao |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Shengcai |e verfasserin |4 aut | |
| 700 | 1 | |a Zheng, Zhi |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Guowu |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Haiyan |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Chao |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Haiyan |e verfasserin |4 aut | |
| 700 | 1 | |a Chou, I-Ming |e verfasserin |4 aut | |
| 700 | 1 | |a Yu, Yanan |e verfasserin |4 aut | |
| 700 | 1 | |a Mei, Shenghua |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Liping |e verfasserin |4 aut | |
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