Metallic Nanomaterial Applications in Selective Catalysis and Clean Energy

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Energy and Catalysis".

Deadline for manuscript submissions: 15 November 2024 | Viewed by 430

Special Issue Editor


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Guest Editor
Department of Materials and Biology, National Institute of Technology, Akita College, Akita 011-8511, Japan
Interests: chemical synthesis of nanomaterials and their applications in catalysis; green chemistry; renewable energy

Special Issue Information

Dear Colleagues,

Catalytic processes account for more than 90% of chemical transformation processes, and the roles of a catalyst include improving the reaction rate and controlling the selectivity of the particular chemical conversion. Concerns about global warming and energy shortages have prompted us to promote reusable nanomaterials for use in green chemistry and clean energy. However, traditional nanomaterials are increasingly inefficient for the realization of the Sustainable Development Goals (SDGs). Researchers are evolving the compositions and structures of nanocatalysts to make them more active, selective and stable for the transformation of small organic molecules, biomass upgrading, clean energy production, et cetera.

Metallic nanomaterials are versatile in heterogeneous catalysis, which can be traced back to the 1980s. This current Special Issue of the journal Nanomaterials is aimed at presenting the fabrication of novel metallic nanomaterials for selective catalysis and renewable energy production. I look forward to your contributions of research articles or reviews to this Special Issue in the fields related to, but not limited to, the above.

Prof. Dr. Ming Zhao
Guest Editor

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Keywords

  • nanocatalyst
  • metallic nanomaterials
  • selective catalysis
  • multi-compositional nanomaterials
  • palladium
  • hydrogenation
  • hydrogen evolution
  • biomass upgrading

Published Papers (1 paper)

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Research

10 pages, 2863 KiB  
Article
Solvothermal Fabrication of Mesoporous Pd Nano-Corals at Mild Temperature for Alkaline Hydrogen Evolution Reaction
by Ming Zhao, Koh-ichi Maruyama and Satoshi Tanaka
Nanomaterials 2024, 14(10), 876; https://doi.org/10.3390/nano14100876 (registering DOI) - 17 May 2024
Viewed by 174
Abstract
Porous metallic nanomaterials exhibit interesting physical and chemical properties, and are widely used in various fields. Traditional fabrication techniques are limited to metallurgy, sintering, electrodeposition, etc., which limit the control of pore size and distribution, and make it difficult to achieve materials with [...] Read more.
Porous metallic nanomaterials exhibit interesting physical and chemical properties, and are widely used in various fields. Traditional fabrication techniques are limited to metallurgy, sintering, electrodeposition, etc., which limit the control of pore size and distribution, and make it difficult to achieve materials with high surface areas. On the other hand, the chemical preparation of metallic nanoparticles is usually carried out with strong reducing agents or at high temperature, resulting in the formation of dispersed particles which cannot evolve into porous metal. In this study, we reported the simple fabrication of coral-like mesoporous Pd nanomaterial (Pd NC) with a ligament size of 4.1 nm. The fabrication was carried out by simple solvothermal reduction at a mild temperature of 135 °C, without using any templates. The control experiments suggested that tetrabutylammonium bromide (TBAB) played a critical role in the Pd(II) reduction into Pd nanoclusters and their subsequent aggregation to form Pd NC, and another key point for the formation of Pd NC is not to use a strong reducing agent. In alkaline water electrolysis, the Pd NC outperforms the monodisperse Pd NPs and the state-of-the-art Pt (under large potentials) for H2 evolution reaction, probably due to its mesoporous structure and large surface area. This work reports a simple and novel method for producing porous metallic nanomaterials with a high utilization efficiency of metal atoms, and it is expected to contribute to the practical preparation of porous metallic nanomaterials by solvothermal reductions. Full article
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