Special Issue "Palladium Catalysts: From Design to Applications"

A special issue of Inorganics (ISSN 2304-6740).

Deadline for manuscript submissions: closed (30 June 2019).

Special Issue Editor

Guest Editor
Dr. Oscar Navarro

Department of Restorative Dentistry, School of Dentistry, Oregon Health & Science University, Portland, Oregon, USA
Website | E-Mail
Interests: catalysis; metal-based catalysts; polymerizations; dental materials

Special Issue Information

Dear Colleagues,

The ubiquity of palladium catalysts in academia an industry is an undeniable reality. Countless palladium catalysts have been developed for applications that range from small molecule synthesis, pharmaceuticals, polymer synthesis and oxidations, to name a few. This is the result of a combination of versatility, stability and user-friendly nature, when compared to other metals commonly used in catalysis. This versatility (both in their synthesis and their application) offers a researcher a plethora of possibilities to consider when designing a palladium catalyst for a specific purpose: Homogeneous, heterogeneous, well-defined, in-situ formed, recyclable, ligandless, etc.

This Special Issue intends to cover all aspects of palladium catalysts, from catalyst design to applications in catalytic processes, including novel applications of known palladium catalysts. In accordance with the nature and importance of this metal, this Issue aims to be representative of the omnipresence of palladium in catalysis, covering heterogeneous and homogeneous catalysis performed with either well-defined, in-situ or ligandless palladium catalysts.

Dr. Oscar Navarro
Guest Editor

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 papers will be 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. Inorganics 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 1000 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

  • Palladium
  • Catalysis
  • Ligand design
  • Homogeneous catalysis
  • Heterogeneous catalysis

Published Papers (2 papers)

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Review

Open AccessReview
Bulky-Yet-Flexible Carbene Ligands and Their Use in Palladium Cross-Coupling
Received: 10 May 2019 / Revised: 12 June 2019 / Accepted: 15 June 2019 / Published: 21 June 2019
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Abstract
In recent years, several classes of new N-heterocyclic carbene (NHC) ligands were developed around the concept of “flexible steric bulk”. The steric hindrance of these ligands brings stability to the active species, while ligand flexibility still allows for the approach of the [...] Read more.
In recent years, several classes of new N-heterocyclic carbene (NHC) ligands were developed around the concept of “flexible steric bulk”. The steric hindrance of these ligands brings stability to the active species, while ligand flexibility still allows for the approach of the substrate. In this review, the synthesis of several types of new classes, such as IBiox, cyclic alkyl amino carbenes (CAAC), ITent, and IPr* are discussed, as well as how they move the state-of-the-art in palladium catalyzed cross-coupling forward. Full article
(This article belongs to the Special Issue Palladium Catalysts: From Design to Applications)
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Open AccessReview
Electrocatalytic Activities towards the Electrochemical Oxidation of Formic Acid and Oxygen Reduction Reactions over Bimetallic, Trimetallic and Core–Shell-Structured Pd-Based Materials
Received: 11 January 2019 / Revised: 25 February 2019 / Accepted: 27 February 2019 / Published: 7 March 2019
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Abstract
The structural design of nanosized electrocatalysts is extremely important for cathodic oxygen reduction reactions (ORR) and anodic oxidation reactions in small organic compounds in direct fuel cells. While Pt is still the most commonly used electrode material for ORR, the Pd electrocatalyst is [...] Read more.
The structural design of nanosized electrocatalysts is extremely important for cathodic oxygen reduction reactions (ORR) and anodic oxidation reactions in small organic compounds in direct fuel cells. While Pt is still the most commonly used electrode material for ORR, the Pd electrocatalyst is a promising alternative to Pt, because it exhibits much higher electrocatalytic activity towards formic acid electrooxidation, and the electrocatalytic activity of ORR on the Pd electrode is the higher than that of all other precious metals, except for Pt. In addition, the mass activity of Pt in a core–shell structure for ORR can be improved significantly by using Pd and Pd-based materials as core materials. Herein, we review various nanoscale Pd-based bimetallic, trimetallic and core–shell electrocatalysts for formic acid oxidation and ORR of polymer electrolyte fuel cells (PEFCs). This review paper is separated into two major topics: the electrocatalytic activity towards formic acid oxidation over various Pd-based electrocatalysts, and the activity of ORR on Pd-based materials and Pd core–Pt shell structures. Full article
(This article belongs to the Special Issue Palladium Catalysts: From Design to Applications)
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Graphical abstract

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