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Nanomaterials
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Carbon-Based Nanomaterials for Highly Efficient Catalysis
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Carbon-Based Nanomaterials for Highly Efficient Catalysis

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "2D and Carbon Nanomaterials".

Deadline for manuscript submissions: closed (20 March 2024) | Viewed by 3782

Special Issue Editors

Prof. Dr. Jiangbo Xi

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Guest Editor
School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, China
Interests: nanostructured carbon nanomaterials and their hybrid materials; porous and 2D carbon materials; heterogeneous catalysis; environmental catalysis; carbocatalysis; single-atom catalysis
Prof. Dr. Junwu Xiao

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Guest Editor
Department of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: electrocatalysis; anion exchange membrane fuel cell and water electrolyzer; polymer electrolytes
Prof. Dr. Fei Xiao

E-Mail Website
Guest Editor
Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, China
Interests: nano functional materials; electrochemical sensing; electrocatalysis; flexible electrochemical devices
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The rise in global demand for green chemistry and sustainable development has driven an immense research interest in the fundamental science of catalysis. Carbon-based nanomaterials offer unconventional ways for their catalytic applications to address some of the new challenges deriving from moving to a more sustainable future. Therefore, carbon-based carbocatalysis, considered an ideal and potential industrial technology, has emerged as a new frontier and hot point in modern catalysis science.

Carbon materials (e.g., amorphous carbon, carbon quantum dot, fullerene, carbon nanotube, graphene, graphyne, nanodiamond, and their derivatives) exhibit a high surface area, excellent stability, and unique mechanical and electronic properties, which conventional materials cannot match. In addition, their physical and chemical properties can be further modulated by modification and functionalization. Due to these unique characteristics, carbon-based nanomaterials exhibit high performance and have been successfully used in a variety of catalytic applications. Nanocarbon and its derivatives could be key elements in the development of next‐generation catalytic materials, but this goal requires us to overcome some of the actual limits in current research.

The present Special Issue of Nanomaterials is aimed at presenting the unique properties of carbon-based nanomaterials catalysis and giving a balanced view of the current state of the art in this discipline. We welcome submissions to this Special Issue, “Carbon-Based Nanomaterials for Highly Efficient Catalysis”, in the form of original research papers, reviews, or communications that highlight the recent progress and advance of carbon-based nanomaterials and their applications in the field of catalysis.

Prof. Dr. Jiangbo Xi
Prof. Dr. Junwu Xiao
Prof. Dr. Fei Xiao
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • carbon-based nanomaterial
  • carbon hybrid nanomaterial
  • carbon supported metal catalysts
  • nanostructured carbon catalyst
  • metal-free carbocatalysis
  • catalytic organic transformation
  • electrocatalysis
  • environmental catalysis
  • photocatalysis

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Published Papers (2 papers)

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Research

15 pages, 7498 KiB  
Article
Probing the Activity Enhancement of Carbocatalyst with the Anchoring of Atomic Metal
by Zhe Zhang, Jie Huang, Wei Chen, Jufang Hao, Jiangbo Xi, Jian Xiao, Baojiang He and Jun Chen
Nanomaterials 2023, 13(17), 2434; https://doi.org/10.3390/nano13172434 - 27 Aug 2023
Cited by 7 | Viewed by 1437
Abstract
Enhanced catalysis for organic transformation is essential for the synthesis of high-value compounds. Atomic metal species recently emerged as highly effective catalysts for organic reactions with high activity and metal utilization. However, developing efficient atomic catalysts is always an attractive and challenging topic [...] Read more.
Enhanced catalysis for organic transformation is essential for the synthesis of high-value compounds. Atomic metal species recently emerged as highly effective catalysts for organic reactions with high activity and metal utilization. However, developing efficient atomic catalysts is always an attractive and challenging topic in the modern chemical industry. In this work, we report the preparation and activity enhancement of nitrogen- and sulfur-codoped holey graphene (NSHG) with the anchoring of atomic metal Pd. When employed as the catalyst for nitroarenes reduction reactions, the resultant Pd/NSHG composite exhibits remarkably high catalytic activity due to the co-existence of dual-active components (i.e., catalytically active NSHG support and homogeneous dispersion of atomic metal Pd). In the catalytic 4-nitrophenol (4-NP) reduction reaction, the efficiency (turnover frequency) is 3.99 × 10−2 mmol 4-NP/(mg cat.·min), which is better than that of metal-free nitrogen-doped holey graphene (NHG) (2.3 × 10−3 mmol 4-NP/(mg cat.·min)) and NSHG carbocatalyst (3.8 × 10−3 mmol 4-NP/(mg cat.·min)), the conventional Pd/C and other reported metal-based catalysts. This work provides a rational design strategy for the atomic metal catalysts loaded on active doped graphene support. The resultant Pd/NSHG dual-active component catalyst (DACC) is also anticipated to bring great application potentials for a broad range of organic fields, such as organic synthesis, environment treatment, energy storage and conversion. Full article
(This article belongs to the Special Issue Carbon-Based Nanomaterials for Highly Efficient Catalysis)
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10 pages, 5907 KiB  
Article
Carbon-Supported High-Loading Sub-4 nm PtCo Alloy Electrocatalysts for Superior Oxygen Reduction Reaction
by Linlin Xiang, Yunqin Hu, Yanyan Zhao, Sufeng Cao and Long Kuai
Nanomaterials 2023, 13(16), 2367; https://doi.org/10.3390/nano13162367 - 18 Aug 2023
Cited by 3 | Viewed by 1523
Abstract
Increasing the loading density of nanoparticles on carbon support is essential for making Pt-alloy/C catalysts practical in H2-air fuel cells. The challenge lies in increasing the loading while suppressing the sintering of Pt-alloy nanoparticles. This work presents a 40% Pt-weighted sub-4 [...] Read more.
Increasing the loading density of nanoparticles on carbon support is essential for making Pt-alloy/C catalysts practical in H2-air fuel cells. The challenge lies in increasing the loading while suppressing the sintering of Pt-alloy nanoparticles. This work presents a 40% Pt-weighted sub-4 nm PtCo/C alloy catalyst via a simple incipient wetness impregnation method. By carefully optimizing the synthetic conditions such as Pt/Co ratios, calcination temperature, and time, the size of supported PtCo alloy nanoparticles is successfully controlled below 4 nm, and a high electrochemical surface area of 93.8 m2/g is achieved, which is 3.4 times that of commercial PtCo/C-TKK catalysts. Demonstrated by electrochemical oxygen reduction reactions, PtCo/C alloy catalysts present an enhanced mass activity of 0.465 A/mg at 0.9 V vs. RHE, which is 2.0 times that of the PtCo/C-TKK catalyst. Therefore, the developed PtCo/C alloy catalyst has the potential to be a highly practical catalyst for H2–air fuel cells. Full article
(This article belongs to the Special Issue Carbon-Based Nanomaterials for Highly Efficient Catalysis)
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