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Crystals
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Syntheses, Characterizations and Reactivities of Heterogeneous Catalysts: From Fundamentals to...
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Syntheses, Characterizations and Reactivities of Heterogeneous Catalysts: From Fundamentals to Materials

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Materials for Energy Applications".

Deadline for manuscript submissions: 20 May 2025 | Viewed by 1312

Special Issue Editors

Dr. Yizhen Chen

E-Mail Website
Guest Editor
Department of Chemistry, University of Virginia, Charlottesville, VA 22904, USA
Interests: atomically dispersed supported metal catalysts; heterogeneous catalysis; nanomaterials; X-ray absorption spectroscopy; surface chemistry
Special Issues, Collections and Topics in MDPI journals
Dr. Xiao Zhao

E-Mail Website
Guest Editor
Stanford Materials Science and Engineering,Stanford University, Palo Alto, CA 94305, USA
Interests: heterogeneous catalysis; surface science; in-situ spectroscopies; physical chemistry
Dr. Chunyan Shang

E-Mail Website
Guest Editor
College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China
Interests: electrochemical catalysis; nanomaterials

Special Issue Information

Dear Colleagues, 

Heterogeneous catalysis is  the  central  enabling technology of fuel  conversion,  chemical  production,  and  the clean-up of vehicular  and  power  plant emissions. Over the past few decades, significant progress and breakthroughs have been achieved in catalyst design, and in-depth investigations on catalytic kinetics, thermodynamics, and mechanisms have been conducted. This Special Issue of Crystals aims to report on the design and novel structures of catalysts as well as energy conversion, covering a range of topics, from experimental results to theoretical discoveries.

This Special Issue invites all types of research on topics including, but not limited to, the following:

  1. Catalyst syntheses and characterizations;
  2. Heterogeneous catalysis, including thermal catalysis and electrocatalysis;
  3. Building a catalytical interfacial microenvironment;
  4. Structure–activity relationships;
  5. Reaction kinetics;
  6. Theoretical studies on electronic structures, bonding behaviors, and mechanism studies.

Dr. Yizhen Chen
Dr. Xiao Zhao
Dr. Chunyan Shang
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. Crystals is an international peer-reviewed open access monthly 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 2100 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

  • catalyst design
  • heterogeneous catalysis
  • interfacial microenvironment
  • regulation of catalytic active centers
  • reaction kinetics
  • in situ techniques
  • theoretical studies

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Published Papers (1 paper)

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Research

16 pages, 3509 KiB  
Article
Effect of Active Phase Precursor on Structural, Textural and Catalytic Properties of the Model NiOx/CeO2 System Active in Dry Reforming of Methane
by Piotr Legutko, Marcin Kozieł, Andrzej Kowalczyk, Marek Michalik and Andrzej Adamski
Crystals 2024, 14(7), 634; https://doi.org/10.3390/cryst14070634 - 10 Jul 2024
Viewed by 848
Abstract
The current paper is devoted to the synthesis of ceria-supported nickel-based catalysts starting from different precursors of the nickel active phase. Thermal decomposition of metal-containing precursors, deposited onto stable supports by dry impregnation, belongs to the industrially preferred, simple ways of catalyst preparation. [...] Read more.
The current paper is devoted to the synthesis of ceria-supported nickel-based catalysts starting from different precursors of the nickel active phase. Thermal decomposition of metal-containing precursors, deposited onto stable supports by dry impregnation, belongs to the industrially preferred, simple ways of catalyst preparation. The synthesized series of NiOx/CeO2 catalysts have been tested in dry methane reforming (DMR), in which two greenhouse gases, i.e., CO2 and CH4, are simultaneously converted into syngas. Both reaction progress and stability of the catalyst strongly depend on nickel speciation, which in turn can be determined by the nature of the chosen precursor. Contrary to relatively many studies focused on the importance of synthetic methods and conditions on nickel speciation, the effect of precursor nature on structural, textural, and functional properties of catalytic systems has neither been discussed much nor fully understood. The main goal of this paper was to elucidate the effect of precursors on the properties of NiOx/CeO2. Consequences of the use of various nickel precursors (simple inorganic salts, organometallic complexes, and chelates) have been analyzed in detail from the viewpoint of their beneficial influence on the catalytic performance of NiOx/CeO2 system (containing 3 wt. % of Ni) tested in DMR. Full article
(This article belongs to the Special Issue Syntheses, Characterizations and Reactivities of Heterogeneous Catalysts: From Fundamentals to Materials)
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