2D High-Entropy Transition Metal Dichalcogenides for Carbon Dioxide Electrocatalysis

© 2021 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 33(2021), 31 vom: 06. Aug., Seite e2100347
1. Verfasser: Cavin, John (VerfasserIn)
Weitere Verfasser: Ahmadiparidari, Alireza, Majidi, Leily, Thind, Arashdeep Singh, Misal, Saurabh N, Prajapati, Aditya, Hemmat, Zahra, Rastegar, Sina, Beukelman, Andrew, Singh, Meenesh R, Unocic, Kinga A, Salehi-Khojin, Amin, Mishra, Rohan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article 2D materials electrocatalysis high entropy alloys transition metal dichalcogenides
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520 |a High-entropy alloys combine multiple principal elements at a near equal fraction to form vast compositional spaces to achieve outstanding functionalities that are absent in alloys with one or two principal elements. Here, the prediction, synthesis, and multiscale characterization of 2D high-entropy transition metal dichalcogenide (TMDC) alloys with four/five transition metals is reported. Of these, the electrochemical performance of a five-component alloy with the highest configurational entropy, (MoWVNbTa)S2 , is investigated for CO2 conversion to CO, revealing an excellent current density of 0.51 A cm-2 and a turnover frequency of 58.3 s-1 at ≈ -0.8 V versus reversible hydrogen electrode. First-principles calculations show that the superior CO2 electroreduction is due to a multi-site catalysis wherein the atomic-scale disorder optimizes the rate-limiting step of CO desorption by facilitating isolated transition metal edge sites with weak CO binding. 2D high-entropy TMDC alloys provide a materials platform to design superior catalysts for many electrochemical systems 
650 4 |a Journal Article 
650 4 |a 2D materials 
650 4 |a electrocatalysis 
650 4 |a high entropy alloys 
650 4 |a transition metal dichalcogenides 
700 1 |a Ahmadiparidari, Alireza  |e verfasserin  |4 aut 
700 1 |a Majidi, Leily  |e verfasserin  |4 aut 
700 1 |a Thind, Arashdeep Singh  |e verfasserin  |4 aut 
700 1 |a Misal, Saurabh N  |e verfasserin  |4 aut 
700 1 |a Prajapati, Aditya  |e verfasserin  |4 aut 
700 1 |a Hemmat, Zahra  |e verfasserin  |4 aut 
700 1 |a Rastegar, Sina  |e verfasserin  |4 aut 
700 1 |a Beukelman, Andrew  |e verfasserin  |4 aut 
700 1 |a Singh, Meenesh R  |e verfasserin  |4 aut 
700 1 |a Unocic, Kinga A  |e verfasserin  |4 aut 
700 1 |a Salehi-Khojin, Amin  |e verfasserin  |4 aut 
700 1 |a Mishra, Rohan  |e verfasserin  |4 aut 
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773 1 8 |g volume:33  |g year:2021  |g number:31  |g day:06  |g month:08  |g pages:e2100347 
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