Special Issue "Perovskite Catalysts"


A special issue of Catalysts (ISSN 2073-4344).

Deadline for manuscript submissions: closed (15 February 2014)

Special Issue Editors

Guest Editor
Dr. Yu-Chuan Lin
Department of Chemical Engineering & Materials Science, Yuan Ze University 135 Yuan-Tung Rd., Chungli, 32003, Taiwan
Website: http://www.che.yzu.edu.tw/teachlist/show/id/135/lang/english.html
E-Mail: yclin@saturn.yzu.edu.tw
Interests: perovskite catalysts for oxidations; catalytic hydrodeoxygenation and fast pyrolysis for lignocellulosic biomass conversion; hydrogen and syngas preparation; kinetics and reaction engineering

Guest Editor
Prof. Dr. Keith Hohn
Department of Chemical Engineering, Kansas State University, Manhattan, KS 66506, USA
Website: http://www.che.ksu.edu/people/faculty/hohn
E-Mail: hohn@ksu.edu
Phone: +1 785 532 4315
Fax: +1 785 532 7372
Interests: catalysis and reaction engineering; natural gas conversion; oxidative dehydrogenation of light hydrocarbons; millisecond contact time reactors; nanoparticle catalysts

Special Issue Information

Dear Colleagues,

Perovskite, a mixed metal oxide with a general formula ABO3, is a versatile catalyst with numerous applications. Its unique crystal structure, nonstoichiometric oxygen, acid-base property, redox nature, and thermal stability allow perovskites to be effective in oxidations, exhaust abatement, hydrogenation, and even photocatalysis. Although perovskite has been used in heterogeneous catalysis for many years, it wasn’t until 2002 that was commercially implemented as an exhaust abatement catalyst by Daihatsu Motor. Recently, perovskites have shown promised in biomass conversion, e.g., glycerol partial oxidation to syngas. This has stimulated a recent boom in perovskite study by catalyst scientists. The bibliometric analysis (see Figure 1) done on papers related to perovskites from 2002 to 2011 shows a steadily increasing trend. Therefore, to provide a platform for experience exchange, idea sharing, and inspiration, it is our pleasure to present this special issue for the growing research community of perovskite catalysts.

This issue invites contributions dealing with all fields related to perovskite catalysts. Novel approaches in perovskite synthesis, characterization, and its industrial applications are particularly welcome.



Dr. Yu-Chuan Lin
Prof. Dr. Keith Hohn
Guest Editors


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. Papers will be published continuously (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as 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.

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  • perovskite
  • synthesis
  • characterization
  • lattice oxygen
  • acid-base
  • redox

Published Papers (1 paper)

Catalysts 2014, 4(2), 77-88; doi:10.3390/catal4020077
Received: 7 November 2013; in revised form: 20 February 2014 / Accepted: 21 February 2014 / Published: 31 March 2014
Show/Hide Abstract | Download PDF Full-text (1884 KB) | Download XML Full-text

Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title : Structural properties and catalytic reactivity of LaNi0.3Co0.7O3-d and SrFe0.2Co0.8O3-d ceramic materials synthesized by EDTA-Citrate method
: A. G. dos Santos 1, M. Arab 2*, L. Patout 2 and C. P. de Souza 3
1 Universidade Federal Rural do Semi-Árido, DACS, Campus Mossoró - F. Mota, Costa e Silva, 59.625-900, Mossoró/RN- Brasil
Université du sud Toulon – Var, IM2NP – UMR CNRS 6242 ; Av. de l´Université – Bat R – B. P. 20132; 83957 – LA GARDE Cedex – France
Universidade Federal do Rio Grande do Norte, Núcleo Tecnológico, Campus Universitário - L. Nova, 59078-970, Natal/RN- Brasil
In this work, we study the LaNi0.3Co0.7O3-d and SrCo0.8Fe0.2O3-d perovskite materials. Using the combined EDTA-citrate method, we obtained a well cristallized powder. the structural characterization was performed using X-ray diffraction, Rietveld refinement and electron microscopy analysis. The catalytic reactivity of CO is evidenced for the two samples at low temperature using an in-situ infrared spectroscopy analysis.they showed a complet conversion of CO before the oxidation temperature in the gas phase, 275 °C.

Title: X-ray Characterization of Rh Substituted Lanthanum Zirconate (La2Zr2O7) Pyrochlores
Amitava Roy 1, Devendra Pakhare 2, Daniel Haynes 3, Dushyant Shekhawat 3 and James Spivey 2,*
1 J. Bennet Johnston Sr., Center for Advanced Microstructures and Devices, Baton Rouge, LA 70806, USA
Department of Chemical Engineering, Louisiana State University, Baton Rouge,  LA 70803, USA
National Energy Technology Laboratory- U.S. Department of Energy, Morgantown,  WV 26507, USA

Abstract: Pyrochlores are fluorite defect structure with general formula (A2B2O7), where the

A-site is occupied by a large trivalent rare-earth metal and the B-site by a tetravalent transition metal. In this work we report lanthanum zirconate pyrochlores (La2Zr2O7) [designated-LZ] and partially substitute the A site with Ca or Y and B-site (Zr-site) by catalytically active Rh. These catalysts were synthesized by modified Pechini (sol-gel) method and the formation of the pyrochlore phase was confirmed by X-ray diffraction (XRD). The oxidation state of Rh, La and Zr on the surface of the pyrochlores was studied by X-ray photoelectron spectroscopy (XPS). It was observed that for the freshly calcined catalysts, La and Rh were in +3 oxidation state and Zr was +4. The substitution of Rh+3 on the Zr+4 site creates oxygen defects which help in the catalytic activity of these pyrochlores.

These catalysts were also studied by X-ray absorption near edge structure spectroscopy (XANES) and extended X-ray absorption fine structure spectroscopy (EXAFS). Either L or K edge or both of Y, Rh, Zr, Ca and La were measured. Systematic variation in properties can be seen from these techniques.

Type of Paper: Article
In Situ XANES/XPS Investigation of Mixed-Valence Manganese Perovskite Catalysts
D. Mierwaldt, A. Knop-Guericke, and C. Jooss et al.
Institute of Materials Physics, University of Goettingen, Friedrich-Hund-Platz 1, 37085 Goettingen, Germany
We did systematic XANES and XPS studies of epitaxial Pr1-xCaxMnO3 films at different doping levels in UHV and in H2O vapor at positive bias under oxygen evolution conditions. We see a valence separation and formation of a near surface Mn2+ species under oxygen evolution conditions. XPS of O and Ca is used to identify surface adsorbates. We conclude that reversible formation of oxygen vacancies are an important aspect of the active state of the catalysts. The surface can be fully healed out by annealing of the films in oxygen at slightly enhanced temperatures.

This article gives further insights into the surface and subsurface processes of manganite catalysts in operation for O-evolution. It is not an extension of the Advanced Functional Materials article, it gives entirely new data and a much more detailed analysis of the changes in electronic states.

Last update: 12 December 2013

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