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A-site alloying-guided universal design of noble metal-based MAX phases
Engineering Laboratory of Advanced Energy Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Zhejiang, Ningbo, 315201, China; Qianwan Institute of CNiTECH, Ningbo, 315336, China.
Zhejiang Institute of Tianjin University, 85 Zhongguan West Road, Ningbo, 315201, Zhejiang, China.
Key Laboratory of Advanced Fuel Cell and Electrolyzer Technology of Zhejiang Province, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China.
Linköpings universitet, Institutionen för fysik, kemi och biologi, Tunnfilmsfysik. Linköpings universitet, Tekniska fakulteten.
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2024 (Engelska)Ingår i: Matter, ISSN 2590-2393, E-ISSN 2590-2385, Vol. 7, nr 2, s. 523-538Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Mn+1AXn (MAX) phases have attracted significant attention due to their structural diversity and potential applications. Designing MAX phases with single-atom-thick A layers featuring 4d/5d-orbital electronic elements is interesting work. Here, we present a comprehensive report on noble metal-based M2(A1-xA′x)C (M = V, Ti, Nb; A = Al, Sn, In, Ga, Ge; A′ = Ru, Rh, Pd, Ir, Pt, Au and combinations thereof; 0 < x ≤ 0.4) phases featuring A sublayers of 4d/5d-orbital electronic elements through an A-site alloying strategy. The chemical composition of MAX phases can be adjusted by selecting different M- and A-site elements, with morphology tailored by distinct C sources. Furthermore, the V2(Sn0.8Pt0.2)C (15.7 wt % Pt) catalyst showed better performance for hydrogen evolution reaction compared to the commercial Pt/C (20 wt % Pt) electrode. This study highlights the prospects of A-site alloying for the design of novel MAX phases with unique properties and promising applications in electrocatalysis and beyond.

Ort, förlag, år, upplaga, sidor
Cell Press , 2024. Vol. 7, nr 2, s. 523-538
Nyckelord [en]
alloying strategy; hydrogen evolution reaction; MAP1: Discovery; MAX phases; noble metal
Nationell ämneskategori
Den kondenserade materiens fysik
Identifikatorer
URN: urn:nbn:se:liu:diva-201585DOI: 10.1016/j.matt.2023.12.006Scopus ID: 2-s2.0-85184033652OAI: oai:DiVA.org:liu-201585DiVA, id: diva2:1844142
Anmärkning

Funding Agencies|High-Level Talents Special Support Program of Zhejiang Province, (2022R51007); Leading Innovative and Entrepreneur Team Introduction Program of Zhejiang, (2019R01003); Ningbo Top-talent Team Program; Yongjiang Talent Introduction Program, (2021A-115-G); Natural Science Foundation of Ningbo Municipality, (2023J250, 2023J352); Key Research and Development Program of Zhejiang Province, (2021C03173); National Natural Science Foundation of China, NSFC, (12275009, 52202325); China Postdoctoral Science Foundation, (2020M680082); Linköpings Universitet, LiU, (SFO-Mat-LiU 2009 00971); Knut och Alice Wallenbergs Stiftelse, (2021-00171, KAW 2019.0290, KAW 2020.0196, RIF21-0026); Natural Science Foundation of Zhejiang Province, ZJNSF, (LGG22E080023, LQ22E020008); Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, NIMTE, CAS

Tillgänglig från: 2024-03-13 Skapad: 2024-03-13 Senast uppdaterad: 2024-04-15

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Publikationen är tillgänglig i fulltext från 2025-01-10 14:32
Tillgänglig från 2025-01-10 14:32

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