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|a 10.1021/acs.chemmater.3c00125
|2 doi
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|a pubmed24n1183.xml
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|a (NLM)37008408
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|a eng
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|a Suhadolnik, Luka
|e verfasserin
|4 aut
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|a Nanotubular TiO x N y -Supported Ir Single Atoms and Clusters as Thin-Film Electrocatalysts for Oxygen Evolution in Acid Media
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 04.04.2023
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|a published: Electronic-eCollection
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Published by American Chemical Society.
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|a A versatile approach to the production of cluster- and single atom-based thin-film electrode composites is presented. The developed TiO x N y -Ir catalyst was prepared from sputtered Ti-Ir alloy constituted of 0.8 ± 0.2 at % Ir in α-Ti solid solution. The Ti-Ir solid solution on the Ti metal foil substrate was anodically oxidized to form amorphous TiO2-Ir and later subjected to heat treatment in air and in ammonia to prepare the final catalyst. Detailed morphological, structural, compositional, and electrochemical characterization revealed a nanoporous film with Ir single atoms and clusters that are present throughout the entire film thickness and concentrated at the Ti/TiO x N y -Ir interface as a result of the anodic oxidation mechanism. The developed TiO x N y -Ir catalyst exhibits very high oxygen evolution reaction activity in 0.1 M HClO4, reaching 1460 A g-1 Ir at 1.6 V vs reference hydrogen electrode. The new preparation concept of single atom- and cluster-based thin-film catalysts has wide potential applications in electrocatalysis and beyond. In the present paper, a detailed description of the new and unique method and a high-performance thin film catalyst are provided along with directions for the future development of high-performance cluster and single-atom catalysts prepared from solid solutions
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|a Journal Article
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|a Bele, Marjan
|e verfasserin
|4 aut
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|a Čekada, Miha
|e verfasserin
|4 aut
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|a Jovanovič, Primož
|e verfasserin
|4 aut
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|a Maselj, Nik
|e verfasserin
|4 aut
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|a Lončar, Anja
|e verfasserin
|4 aut
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|a Dražić, Goran
|e verfasserin
|4 aut
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|a Šala, Martin
|e verfasserin
|4 aut
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|a Hodnik, Nejc
|e verfasserin
|4 aut
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|a Kovač, Janez
|e verfasserin
|4 aut
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|a Montini, Tiziano
|e verfasserin
|4 aut
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|a Melchionna, Michele
|e verfasserin
|4 aut
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|a Fornasiero, Paolo
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Chemistry of materials : a publication of the American Chemical Society
|d 1998
|g 35(2023), 6 vom: 28. März, Seite 2612-2623
|w (DE-627)NLM098194763
|x 0897-4756
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:6
|g day:28
|g month:03
|g pages:2612-2623
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|u http://dx.doi.org/10.1021/acs.chemmater.3c00125
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