Advanced Design of Metal Nanoclusters and Single Atoms Embedded in C1N1-Derived Carbon Materials for ORR, HER, and OER

Javier Quilez-Bermejo; Sergio Garcia-Dali; Ayoub DaouliAndrea ZitoloRafael L.S. CanevesiMelanie EmoMaria T. IzquierdoMichael BadawiAlain CelzardVanessa Fierro

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Advanced Design of Metal Nanoclusters and Single Atoms Embedded in C1N1-Derived Carbon Materials for ORR, HER, and OER

机译：Advanced Design of Metal Nanoclusters and Single Atoms Embedded in C1N1-Derived Carbon Materials for ORR, HER, and OER

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Single atoms and nanoclusters of Fe, Ni, Co, Cu, and Mn are systematically designed and embedded in a well-defined C1N1-type material that has internal cavities of ≈0.6 nm based on four N atoms. These N atoms serve as perfect anchoring points for the nucleation of small nanoclusters of different metal natures through the creation of metal-nitrogen (TM-N_4) bonds. After pyrolysis at 800 ℃, TM@CNx-type structures are obtained, where TM is the transition metal and x < 1. Fe@CN_x and Co@CN_x are the most promising for oxygen reduction reaction and hydrogen evolution reaction, respectively, with a Pt-like performance, and Ni@CN_x is the most active for oxygen evolution reaction (OER) with an EOER of 1.59 V versus RHE, far outperforming the commercial IrO_2 (E_(OER) = 1.72 V). This systematic and benchmarking study can serve as a basis for the future design of advanced multi-functional electrocatalysts by modulating and combining the metallic nature of nanoclusters and single atoms.

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《Advanced functional materials》 |2023年第21期|2300405.1-2300405.12|共12页
作者
Javier Quilez-Bermejo; Sergio Garcia-Dali; Ayoub DaouliAndrea ZitoloRafael L.S. CanevesiMelanie EmoMaria T. IzquierdoMichael BadawiAlain CelzardVanessa Fierro;
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Synchrotron SOLEIL L’orme des Merisiers BP 48 Saint Aubin, 91192 Gif-sur-Yvette, France;

Universite de Lorraine Centre National de la Recherche Scientifique (CNRS) Institut Jean Lamour (IJL) F-88000 Epinal, France;

Universite de Lorraine Centre National de la Recherche Scientifique (CNRS) Institut Jean Lamour (IJL) 54011 Nancy, FranceInstituto de Carboquimica (ICB-CSIC) Miguel Luesma Castan 4, E-50018 Zaragoza, SpainLaboratoire de Physique et Chimie Theoriques (LPCT) Universite de Lorraine UMR 7019 CNRS, F-54000 Nancy, FranceUniversite de Lorraine Centre National de la Recherche Scientifique (CNRS) Institut Jean Lamour (IJL) F-88000 Epinal, France,Institut Universitaire de France (IUF) F-88000 epinal, FranceUniversite de Lorraine Centre National de la Recherche Scientifique (CNRS) Institut Jean Lamour (IJL) F-88000 Epinal, France,Departamento de Ciencia de los Materiales e Ingenieria Metalúrgica Universidad de Oviedo 33004 Oviedo, SpainUniversite de Lorraine Centre National de la Recherche Scientifique (CNRS) Institut Jean Lamour (IJL) F-88000 Epinal, France,Departamento de Quimica Inorganica and Instituto de Materiales Universidad de Alicante Ap. 99, 03080 Alicante, Spain;

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正文语种英语
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C_1N_1; carbon materials; electrocatalysts; metal nanoclusters; single atoms;

Advanced Design of Metal Nanoclusters and Single Atoms Embedded in C1N1-Derived Carbon Materials for ORR, HER, and OER

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