Pablo S. Fernández
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View article: Linking Fundamentals and Devices: Evaluating Low Pt Ag Nanocatalysts in Three Electrode Systems and Operating Glycerol AEM Electrolyzers
Linking Fundamentals and Devices: Evaluating Low Pt Ag Nanocatalysts in Three Electrode Systems and Operating Glycerol AEM Electrolyzers Open
View article: Effect of cations on the electro-oxidation of alcohols and polyols on Pt: Activity, selectivity, and mechanistic insights
Effect of cations on the electro-oxidation of alcohols and polyols on Pt: Activity, selectivity, and mechanistic insights Open
View article: Mastering the Use of Nanoprobes Beamlines for Electrochemistry: The Importance of Tracking Radiation Damage and Exploring Material Heterogeneity
Mastering the Use of Nanoprobes Beamlines for Electrochemistry: The Importance of Tracking Radiation Damage and Exploring Material Heterogeneity Open
View article: Alkaline-Metal Cations Affect Pt Deactivation for the Electrooxidation of Small Organic Molecules by Affecting the Formation of Inactive Pt Oxide
Alkaline-Metal Cations Affect Pt Deactivation for the Electrooxidation of Small Organic Molecules by Affecting the Formation of Inactive Pt Oxide Open
The activity of Pt for the electro-oxidation of several organic molecules changes with the cation of the electrolyte. It has been proposed that the underlying reason behind that effect is the so-called noncovalent interactions between the …
View article: Dynamics of Highly Active Ln<sub>3</sub>IrO<sub>7</sub> Catalysts for the Oxygen Evolution Reaction in Acid
Dynamics of Highly Active Ln<sub>3</sub>IrO<sub>7</sub> Catalysts for the Oxygen Evolution Reaction in Acid Open
An improved understanding of catalyst dynamics for the oxygen evolution reaction (OER) in acid is critical for informing the development of highly efficient, stable, and cost‐effective OER catalysts for proton exchange membrane water elect…
View article: P-Block Elements Activate Pt Surfaces for the Electrooxidation of Alcohols and Polyols When Promoting the −OH formation
P-Block Elements Activate Pt Surfaces for the Electrooxidation of Alcohols and Polyols When Promoting the −OH formation Open
The electro-oxidation of alcohols and polyols plays a pivotal role in energy conversion and biomass utilization, offering profound implications for producing energy via fuel cells and the synthesis of value-added chemicals, including bioma…
View article: Mastering the Use of Nanoprobes Beamlines for Electrochemistry: The Importance of Tracking Radiation Damage and Exploring Material Heterogeneity
Mastering the Use of Nanoprobes Beamlines for Electrochemistry: The Importance of Tracking Radiation Damage and Exploring Material Heterogeneity Open
Electrochemistry plays a crucial role in addressing energy transition challenges, with synchrotron radiation (SR) significantly enhancing the understanding of electrochemical systems. SR's importance has grown with the advent of fourth-gen…
View article: Development of electrochemical cells for spatially resolved analysis using a multi-technique approach: from conventional experiments to X-ray nanoprobe beamlines
Development of electrochemical cells for spatially resolved analysis using a multi-technique approach: from conventional experiments to X-ray nanoprobe beamlines Open
Real (electro-)catalysts are often heterogeneous, and their activity and selectivity depend on the properties of specific active sites. Therefore, unveiling the so-called structure-activity relationship is essential for a rational search f…
View article: Perovskite oxides as an opportunity to systematically study the Electrooxidation of alcohols and Polyols on materials based on abundant elements: Learning from the experience using pure metals and metallic oxides in (Electro-)catalysis
Perovskite oxides as an opportunity to systematically study the Electrooxidation of alcohols and Polyols on materials based on abundant elements: Learning from the experience using pure metals and metallic oxides in (Electro-)catalysis Open
The cost-effective production of green hydrogen is one of the most important challenges for a sustainable energy transition. To decrease the cost in the production of hydrogen through electrolysis, there are several obstacles that must be …
View article: Perovskite oxides as an opportunity to systematically study the Electrooxidation of alcohols and Polyols on materials based on abundant elements: Learning from the experience using pure metals and metallic oxides in (Electro-)catalysis
Perovskite oxides as an opportunity to systematically study the Electrooxidation of alcohols and Polyols on materials based on abundant elements: Learning from the experience using pure metals and metallic oxides in (Electro-)catalysis Open
The cost-effective production of green hydrogen is one of the most important challenges for a sustainable energy transition. To decrease the cost in the production of hydrogen through electrolysis, there are several obstacles that must be …
View article: Glycerol (photo)electro-oxidation on carbon supported Ag nanoparticles modified with low amounts of Pt. Activity, selectivity and the effect of visible-light irradiation
Glycerol (photo)electro-oxidation on carbon supported Ag nanoparticles modified with low amounts of Pt. Activity, selectivity and the effect of visible-light irradiation Open
The electrochemical production of hydrogen arises as one of the most important strategies to mitigate the problems caused by the pollution and the strong dependence on fossil fuel-derived sources of energy. Thus, improvements in the overal…
View article: Role of Ni in PtNi Bimetallic Electrocatalysts for Hydrogen and Value-Added Chemicals Coproduction via Glycerol Electrooxidation
Role of Ni in PtNi Bimetallic Electrocatalysts for Hydrogen and Value-Added Chemicals Coproduction via Glycerol Electrooxidation Open
Pt-based bimetallic electrocatalysts are promising candidates to convert surplus glycerol from the biodiesel industry to value-added chemicals and coproduce hydrogen. It is expected that the nature and content of the elements in the bimeta…
View article: Bragg Coherent Diffraction Imaging for <i>In Situ</i> Studies in Electrocatalysis
Bragg Coherent Diffraction Imaging for <i>In Situ</i> Studies in Electrocatalysis Open
Electrocatalysis is at the heart of a broad range of physicochemical applications that play an important role in the present and future of a sustainable economy. Among the myriad of different electrocatalysts used in this field, nanomateri…
View article: Standard Underpotential Deposition Shift. A New Parameter to Characterize the UPD Phenomenon.
Standard Underpotential Deposition Shift. A New Parameter to Characterize the UPD Phenomenon. Open
Underpotential deposition (UPD) is a phenomenon where atoms of an element M are deposited from ions M n+ on a substrate S at potentials more positive than for the deposition of M n+ on M. These systems have been studied for more than a cen…
View article: Standard Underpotential Deposition Shift. A New Parameter to Characterize the UPD Phenomenon.
Standard Underpotential Deposition Shift. A New Parameter to Characterize the UPD Phenomenon. Open
Underpotential deposition (UPD) is a phenomenon where atoms of an element M are deposited from ions Mn+ on a substrate S at potentials more positive than for the deposition of Mn+ on M. These systems have been studied…
View article: Photoelectrochemical oxidation of glycerol on hematite: thermal effects, in situ FTIR and long-term HPLC product analysis
Photoelectrochemical oxidation of glycerol on hematite: thermal effects, in situ FTIR and long-term HPLC product analysis Open
View article: Aminopolysiloxane as Cu<sub>2</sub>O Photocathode Overlayer: Photocorrosion Inhibitor and Low Overpotential CO<sub>2</sub>‐to‐formate Selectivity Promoter
Aminopolysiloxane as Cu<sub>2</sub>O Photocathode Overlayer: Photocorrosion Inhibitor and Low Overpotential CO<sub>2</sub>‐to‐formate Selectivity Promoter Open
Cu 2 O, a photoactive p‐type semiconductor based on earth‐abundant elements, shows promising features for photoelectrochemical CO 2 reduction reaction (PEC CO2RR). However, despite the broad light absorption and appropriate conduction band…
View article: Versatile Spectroelectrochemical Cell for In Situ Experiments: Development, Applications, and Electrochemical Behavior
Versatile Spectroelectrochemical Cell for In Situ Experiments: Development, Applications, and Electrochemical Behavior Open
Invited for this month's cover picture is Prof. Pablo S. Fernández from Campinas Electrochemistry Group (Brazil). The Front Cover shows an electrochemical submarine station, presenting an overly complex and unknown problem at its core. To …
View article: Front Cover: Versatile Spectroelectrochemical Cell for In Situ Experiments: Development, Applications, and Electrochemical Behavior (ChemElectroChem 21/2020)
Front Cover: Versatile Spectroelectrochemical Cell for In Situ Experiments: Development, Applications, and Electrochemical Behavior (ChemElectroChem 21/2020) Open
The Front Cover shows an illustration of an electrochemical submarine station (the spectroelectrochemical cell) presenting an overly complex and unknown problem at its core. To solve it, researchers have sent three "electroships" equipped …
View article: Hematite Nanorods Photoanodes Decorated by Cobalt Hexacyanoferrate: The Role of Mixed Oxidized States on the Enhancement of Photoelectrochemical Performance
Hematite Nanorods Photoanodes Decorated by Cobalt Hexacyanoferrate: The Role of Mixed Oxidized States on the Enhancement of Photoelectrochemical Performance Open
In this work, we report on the incorporation of cobalt hexacyanoferrate (Co-NC-Fe) with different iron oxidation states (FeII and FeIII) on hematite (α-Fe2O3) nanorod photoanodes with a systematic investigation of enhanced photoelectrochem…
View article: Highly active Ag/C nanoparticles containing ultra-low quantities of sub-surface Pt for the electrooxidation of glycerol in alkaline media
Highly active Ag/C nanoparticles containing ultra-low quantities of sub-surface Pt for the electrooxidation of glycerol in alkaline media Open
View article: Perovskite Oxides as Electrocatalyst for Glycerol Oxidation.
Perovskite Oxides as Electrocatalyst for Glycerol Oxidation. Open
Glycerol is a co-product from Biodiesel production with high abundance and low market price. Its transformation into valuable products or as an alternative source of energy has driven the search for selective catalysts. Herein we present t…
View article: Versatile Spectroelectrochemical Cell for in Situ Experiments: Development, Applications and Electrochemical Behavior
Versatile Spectroelectrochemical Cell for in Situ Experiments: Development, Applications and Electrochemical Behavior Open
Abstract: (Photo)electrochemical processes are involved in many fields of science and technology. The use of spectroscopic techniques coupled to (photo)electrochemistry, are mandatory to get information about interfacial processes o…
View article: Versatile Spectroelectrochemical Cell for in Situ Experiments: Development, Applications and Electrochemical Behavior
Versatile Spectroelectrochemical Cell for in Situ Experiments: Development, Applications and Electrochemical Behavior Open
(Photo)electrochemical processes are involved in many fields of science and technology. The use of spectroscopic techniques coupled to (photo)electrochemistry, are mandatory to get information about interfacial processes on scale ranges fr…
View article: Electrooxidation of C<sub>4</sub> Polyols on Platinum Single-Crystals: A Computational and Electrochemical Study
Electrooxidation of C<sub>4</sub> Polyols on Platinum Single-Crystals: A Computational and Electrochemical Study Open
Many polyols are abundant and cheap molecules highly spread in the biomass. These molecules have an enormous potential to be used in electrochemical devices to generate energy and/or value-added molecules. The electrooxidation of polyols c…
View article: Pb- and Bi-Modified Pt Electrodes toward Glycerol Electrooxidation in Alkaline Media. Activity, Selectivity, and the Importance of the Pt Atoms Arrangement
Pb- and Bi-Modified Pt Electrodes toward Glycerol Electrooxidation in Alkaline Media. Activity, Selectivity, and the Importance of the Pt Atoms Arrangement Open
Herein we investigated the effect of the adsorption of Bi and Pb on polycrystalline platinum (Ptp) on the electrooxidation of glycerol (EOG) in alkaline media by combining electrochemical, spectroscopic (in situ FTIR), and analytical (onli…
View article: Sulfonated Hydrothermal Carbons from Cellulose and Glucose as Catalysts for Glycerol Ketalization
Sulfonated Hydrothermal Carbons from Cellulose and Glucose as Catalysts for Glycerol Ketalization Open
Solketal is one of the most used glycerol-derived solvents. Its production via heterogeneous catalysis is crucial for avoiding important product losses typically found in the aqueous work-up in homogeneous catalysis. In this work, we prese…
View article: Células eletrolíticas como motivação para o estudo da química
Células eletrolíticas como motivação para o estudo da química Open
Este trabalho está sendo realizado no contexto do projeto PIBIC-EM, onde a eletroquímica está servindo de motivação para o estudo de tópicos fundamentais da química como balanceamento de equações químicas, preparação de soluções, cálculos …
View article: Effect of Bi modification on Pt single crystals towards the glycerol electrooxidation in alkaline media
Effect of Bi modification on Pt single crystals towards the glycerol electrooxidation in alkaline media Open
The high demand for the biodiesel has increased the glycerol (GlOH) generation, since it is a co-product of biodiesel production, surpassing the industrial demand. In this context, the glycerol electrooxidation reaction (GER) is an interes…
View article: Glycerol electrooxidation in alkaline media on platinum surfaces modified by bismuth
Glycerol electrooxidation in alkaline media on platinum surfaces modified by bismuth Open
We studied the glycerol electrooxidation reaction (GEOR) on Pt surfaces modified by Bi adatoms to understand the effect of catalyst strucutre on the activity and selectivity. This investigation was performed using a combination of electroc…