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Moharramzadeh Goliaei E. Photocatalytic Efficiency for CO 2 Reduction of Co and Cluster Co 2O 2 Supported on g-C 3N 4: A Density Functional Theory and Machine Learning Study. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:7871-7882. [PMID: 38578103 DOI: 10.1021/acs.langmuir.3c03550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
It is well known from experimental results that a single atom of cobalt supported on g-C3N4 is an efficient photocatalyst for the reduction of CO2 to CO, with a better photocatalytic activity than g-C3N4. In this work, we investigate the performance as catalysts for the CO2 reduction of single atoms of cobalt and Co2O2 clusters supported on graphitic carbon nitride (g-C3N4). Employing density functional theory plus Hubbard (DFT + U) calculations, we investigate in detail the reduction mechanisms to CO and HCOOH for the first time. We find that deposition of cobalt on g-C3N4 decreases the work function of g-C3N4 to 6.6 eV and provides a better candidate for the reduction reaction. In addition, we find that the preferred product of CO2 reduction on Co@g-C3N4 is CO, with a rate-determining barrier of 0.97 eV, while on Co2O2@g-C3N4, CO2 reduces to formate with a rate-determining barrier of 0.44 eV. We determine the creation of CO2 from COOH to only take place on Co2O2@g-C3N4, with a (relatively high) barrier of 2.27 eV. In order to obtain more easily the transition state energies of the reactions mentioned above, we applied machine learning methods to search for high-importance descriptors for these quantities, in the case of single transition metal atoms supported on C3N4. Interestingly, our results show that our quantities of interest are closely related to the adsorption energies of products and normalized valence electrons of the products of the elementary reactions as well as those of the metal atoms. The former of these two sets of features can be straightforwardly obtained via DFT, while the latter energies are extensively tabulated. Our results offer guidance for the design of catalysts and photocatalysts for CO2 reduction on single-metal atoms supported on C3N4.
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Affiliation(s)
- Elham Moharramzadeh Goliaei
- Dipartimento di Fisica e Astronomia "Galileo Galilei", Università degli Studi di Padova, 35131 Padova, Italy
- Department of Physics, University of Trento, Via Sommarive 14, 38123 Povo, Italy
- The Abdus Salam ICTP, Strada Costiera 11, 34151 Trieste, Italy
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Das C, Sinha N, Roy P. Transition Metal Non-Oxides as Electrocatalysts: Advantages and Challenges. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2202033. [PMID: 35703063 DOI: 10.1002/smll.202202033] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/13/2022] [Indexed: 06/15/2023]
Abstract
The identification of hydrogen as green fuel in the near future has stirred global realization toward a sustainable outlook and thus boosted extensive research in the field of water electrolysis focusing on the hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and oxygen reduction reaction (ORR). A huge class of compounds consisting of transition metal-based nitrides, carbides, chalcogenides, phosphides, and borides, which can be collectively termed transition metal non-oxides (TMNOs), has emerged recently as an efficient class of electrocatalysts in terms of performance and longevity when compared to transition metal oxides (TMOs). Moreover, the superiority of TMNOs over TMOs to effectively catalyze not only OERs but also HERs and ORRs renders bifunctionality and even trifunctionality in some cases and therefore can replace conventional noble metal electrocatalysts. In this review, the crystal structure and phases of different classes of nanostructured TMNOs are extensively discussed, focusing on recent advances in design strategies by various regulatory synthetic routes, and hence diversified properties of TMNOs are identified to serve as next-generation bi/trifunctional electrocatalysts. The challenges and future perspectives of materials in the field of energy conversion and storage aiding toward a better hydrogen economy are also discussed in this review.
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Affiliation(s)
- Chandni Das
- Materials Processing & Microsystems Laboratory, CSIR - Central Mechanical Engineering Research Institute (CMERI), Mahatma Gandhi Avenue, Durgapur, West Bengal, 713209, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Nibedita Sinha
- Materials Processing & Microsystems Laboratory, CSIR - Central Mechanical Engineering Research Institute (CMERI), Mahatma Gandhi Avenue, Durgapur, West Bengal, 713209, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Poulomi Roy
- Materials Processing & Microsystems Laboratory, CSIR - Central Mechanical Engineering Research Institute (CMERI), Mahatma Gandhi Avenue, Durgapur, West Bengal, 713209, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
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Du B, Qiu L, Chen Y, Zhang Z. Rational Design of Self-Supported CuO x -Decorated Composite Films as an Efficient and Easy-Recycling Catalyst for Styrene Oxidation. ACS OMEGA 2021; 6:18157-18168. [PMID: 34308047 PMCID: PMC8296588 DOI: 10.1021/acsomega.1c02031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 06/25/2021] [Indexed: 06/13/2023]
Abstract
The applications of graphene-based materials in catalysis are limited by their strong tendency to aggregate, which may lead to a decrease in active sites. Herein, we propose a facile and controllable strategy to fabricate a series of heterogeneous catalysts with a unique nanostructure wherein CuO x -decorated reduced graphene oxide (rGO) sheets are incorporated into a solid matrix composed of poly(vinylpyrrolidone) (PVP) and carboxymethyl cellulose (CMC). The resultant materials are self-supported films and could be directly used as catalysts for the liquid-phase oxidation of styrene without the requirement for extra substrates. The employment of PVP-CMC (PC) as the support for CuO x -decorated rGO sheets successfully inhibits their aggregation. Benefiting from the dispersion of copper species, these films exhibit good catalytic activity and recyclability under mild reaction conditions. Especially, they can be conveniently removed from the reaction mixture by tweezers due to their structural stability. For catalyzing multiple reactions with high efficiency and facile recyclability, this study offers a universal strategy to design heterogeneous catalysts based on graphene materials and provides a promising platform.
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Zhang X, Truong-Phuoc L, Liao X, Tuci G, Fonda E, Papaefthymiou V, Zafeiratos S, Giambastiani G, Pronkin S, Pham-Huu C. An Open Gate for High-Density Metal Ions in N-Doped Carbon Networks: Powering Fe–N–C Catalyst Efficiency in the Oxygen Reduction Reaction. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01638] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Xiong Zhang
- Institute of Chemistry and Processes for Energy, Environment and Health (ICPEES), ECPM, UMR 7515 CNRS-University of Strasbourg, 25 rue Becquerel, 67087 Cedex 02 Strasbourg, France
| | - Lai Truong-Phuoc
- Institute of Chemistry and Processes for Energy, Environment and Health (ICPEES), ECPM, UMR 7515 CNRS-University of Strasbourg, 25 rue Becquerel, 67087 Cedex 02 Strasbourg, France
| | - Xuemei Liao
- Institute of Chemistry and Processes for Energy, Environment and Health (ICPEES), ECPM, UMR 7515 CNRS-University of Strasbourg, 25 rue Becquerel, 67087 Cedex 02 Strasbourg, France
- School of Food and Biological Engineering, Xihua University, Chengdu, Sichuan 610039, China
| | - Giulia Tuci
- Institute of Chemistry of OrganoMetallic Compounds, ICCOM-CNR and Consorzio INSTM, Via Madonna del Piano, 10, 50019 Sesto Fiorentino, Florence, Italy
| | - Emiliano Fonda
- Synchrotron SOLEIL, L’Orme des Merisiers Saint-Aubin, BP 48 91192 Cedex Gif-sur-Yvette, France
| | - Vasiliki Papaefthymiou
- Institute of Chemistry and Processes for Energy, Environment and Health (ICPEES), ECPM, UMR 7515 CNRS-University of Strasbourg, 25 rue Becquerel, 67087 Cedex 02 Strasbourg, France
| | - Spyridon Zafeiratos
- Institute of Chemistry and Processes for Energy, Environment and Health (ICPEES), ECPM, UMR 7515 CNRS-University of Strasbourg, 25 rue Becquerel, 67087 Cedex 02 Strasbourg, France
| | - Giuliano Giambastiani
- Institute of Chemistry and Processes for Energy, Environment and Health (ICPEES), ECPM, UMR 7515 CNRS-University of Strasbourg, 25 rue Becquerel, 67087 Cedex 02 Strasbourg, France
- Institute of Chemistry of OrganoMetallic Compounds, ICCOM-CNR and Consorzio INSTM, Via Madonna del Piano, 10, 50019 Sesto Fiorentino, Florence, Italy
| | - Sergey Pronkin
- Institute of Chemistry and Processes for Energy, Environment and Health (ICPEES), ECPM, UMR 7515 CNRS-University of Strasbourg, 25 rue Becquerel, 67087 Cedex 02 Strasbourg, France
| | - Cuong Pham-Huu
- Institute of Chemistry and Processes for Energy, Environment and Health (ICPEES), ECPM, UMR 7515 CNRS-University of Strasbourg, 25 rue Becquerel, 67087 Cedex 02 Strasbourg, France
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Haile AS, Hansen HA, Yohannes W, Mekonnen YS. Pyridinic-Type N-Doped Graphene on Cobalt Substrate as Efficient Electrocatalyst for Oxygen Reduction Reaction in Acidic Solution in Fuel Cell. J Phys Chem Lett 2021; 12:3552-3559. [PMID: 33819038 DOI: 10.1021/acs.jpclett.1c00198] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In this study, we use density functional theory to investigate the catalytic activity of graphene (G), single vacancy defective graphene (GSV), quaternary N-doped graphene (NGQ), and pyridinic N-doped graphene (NGpy, 3NGpy, and 4NGpy) on Co(0001) substrate for an oxygen reduction reaction (ORR) in proton exchange membrane fuel cells (PEMFCs). The results show pyridinic N-doped graphene on a Co support exhibited better performance than the NGQ on a Co support and free-standing systems. According to the results, ORR intermediates (*OOH, *O, and *OH) become more stable due to the presence of a Co substrate. The single pyridinic (3NGpy) layer placed on Co(0001) is the most active site. The overpotential for Co/3NGpy is rather higher compared to pure Pt(111) catalyst (0.65 V). Therefore, pyridinic N-doped graphene with a cobalt support could be a promising strategy to enhance the ORR activity of N-doped graphene in PEMFCs.
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Affiliation(s)
- Asnake Sahele Haile
- Center for Environmental Science, College of Natural and Computational Sciences, Addis Ababa University, P.O. Box 1176, Addis Ababa, Ethiopia
| | - Heine Anton Hansen
- Department of Energy Conversion and Storage, Technical University of Denmark, Anker Engelunds Vej, 2800 Kgs., Lyngby, Denmark
| | - Weldegebriel Yohannes
- Chemistry Department, College of Natural and Computational Sciences, Addis Ababa University, P.O. Box 1176, Addis Ababa, Ethiopia
| | - Yedilfana Setarge Mekonnen
- Center for Environmental Science, College of Natural and Computational Sciences, Addis Ababa University, P.O. Box 1176, Addis Ababa, Ethiopia
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Jing S, Gong X, Ji S, Jia L, Pollet BG, Yan S, Liang H. Self-standing heterostructured NiC x -NiFe-NC/biochar as a highly efficient cathode for lithium-oxygen batteries. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2020; 11:1809-1821. [PMID: 33335825 PMCID: PMC7722627 DOI: 10.3762/bjnano.11.163] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 11/18/2020] [Indexed: 06/12/2023]
Abstract
Lithium-oxygen batteries have attracted research attention due to their low cost and high theoretical capacity. Developing inexpensive and highly efficient cathode materials without using noble metal-based catalysts is highly desirable for practical applications in lithium-oxygen batteries. Herein, a heterostructure of NiFe and NiC x inside of N-doped carbon (NiC x -NiFe-NC) derived from bimetallic Prussian blue supported on biochar was developed as a novel self-standing cathode for lithium-oxygen batteries. The specific discharge capacity of the best sample was 27.14 mAh·cm-2 at a stable discharge voltage of 2.75 V. The hybridization between the d-orbital of Ni and s and p-orbitals of carbon in NiC x , formed at 900 °C, enhanced the electrocatalytic performance due to the synergistic effect between these components. The structure of NiC x -NiFe-NC efficiently improved the electron and ion transfer between the cathode and the electrolyte during the electrochemical processes, resulting in superior electrocatalytic properties in lithium-oxygen batteries. This study indicates that nickel carbide supported on N-doped carbon is a promising cathode material for lithium-oxygen batteries.
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Affiliation(s)
- Shengyu Jing
- School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu 221008, China
| | - Xu Gong
- School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu 221008, China
| | - Shan Ji
- College of Biological, Chemical Science and Chemical Engineering, Jiaxing University, Jiaxing, 314001, China
| | - Linhui Jia
- Low Carbon Energy Institute, China University of Mining and Technology, Xuzhou, Jiangsu 221008, China
| | - Bruno G Pollet
- Hydrogen Energy and Sonochemistry Research Group, Department of Energy and Process Engineering, Faculty of Engineering, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway
| | - Sheng Yan
- Shanghai Time Shipping CO., LTD, Shanghai, 200126, China
| | - Huagen Liang
- Low Carbon Energy Institute, China University of Mining and Technology, Xuzhou, Jiangsu 221008, China
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