Boron-Intercalation Engineering toward Defected 1T Phase-Rich MoBxS2-x-Supported IrOx Clusters for Acidic OER

The construction of supported Ir-based catalysts can effectively reduce the amount of Ir and generate a synergistic effect that enhances the oxygen evolution reaction (OER) activity and stability, making it one of the effective solutions for optimizing acidic OER catalysts. However, most reported me...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 40(2024), 45 vom: 12. Nov., Seite 23951-23961
1. Verfasser: Huang, Jiawei (VerfasserIn)
Weitere Verfasser: Nie, Junyu, Li, Xinyi, Zou, Lu, Wang, Yuanxing, Chen, Hao, Wei, Guanghua, Cheng, Junfang
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a The construction of supported Ir-based catalysts can effectively reduce the amount of Ir and generate a synergistic effect that enhances the oxygen evolution reaction (OER) activity and stability, making it one of the effective solutions for optimizing acidic OER catalysts. However, most reported metal oxide supports suffer from poor acid resistance and low electrical conductivity, which are critical for the OER process. Herein, we synthesized a nanosheet-like defected 1T phase-rich MoBxS2-x via a molten salt calcination process, during which the 1T phase was formed, and B was intercalated into MoS2 to protect the 1T phase structure during annealing procedure. After the wet refluxing process, IrOx clusters were uniformly deposited on the surface of MoBxS2-x to form IrOxMoBxS2-x, which exhibited an overpotential of 168 mV at a current density of 10 mA cm-2 with an Ir loading amount of 25.8 wt %. By comparing the OER performance of IrOx@MoBxS2-x, IrOx@MoS2(Calcinated), and IrOx@MoS2, it is demonstrated that calcination and B intercalation of MoS2 can significantly increase acidic OER performance. This work digs into the application of 1T-MoS2 as an OER catalyst support, providing strategies for the phase and morphology control of 1T-MoS2 
650 4 |a Journal Article 
700 1 |a Nie, Junyu  |e verfasserin  |4 aut 
700 1 |a Li, Xinyi  |e verfasserin  |4 aut 
700 1 |a Zou, Lu  |e verfasserin  |4 aut 
700 1 |a Wang, Yuanxing  |e verfasserin  |4 aut 
700 1 |a Chen, Hao  |e verfasserin  |4 aut 
700 1 |a Wei, Guanghua  |e verfasserin  |4 aut 
700 1 |a Cheng, Junfang  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Langmuir : the ACS journal of surfaces and colloids  |d 1999  |g 40(2024), 45 vom: 12. Nov., Seite 23951-23961  |w (DE-627)NLM098181009  |x 1520-5827  |7 nnns 
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856 4 0 |u http://dx.doi.org/10.1021/acs.langmuir.4c03113  |3 Volltext 
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