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View article: Interlayer Atomic Voids by Partial Cesium Defect in Layered Titanate Activate Photo(electro)catalytic H <sub>2</sub> and O <sub>2</sub> Generation
Interlayer Atomic Voids by Partial Cesium Defect in Layered Titanate Activate Photo(electro)catalytic H <sub>2</sub> and O <sub>2</sub> Generation Open
Although many layered oxide semiconductors possess seemingly suitable band gaps for photo-(electro)-catalysis in the UV-vis range, they often exhibit low or no activity in practice. Bulk layered cesium titanate is one such example of an in…
View article: Cations Responsible for Varied CO<sub>2</sub>RR Product Selectivity at High Overpotentials over Cu<sub>2</sub>O Nanocubes
Cations Responsible for Varied CO<sub>2</sub>RR Product Selectivity at High Overpotentials over Cu<sub>2</sub>O Nanocubes Open
This study investigates the role of cations in tuning the structure and chemical state of Cu2O nanocubes during CO2 reduction reactions (CO2RR) and how these changes impact product selectivity. Different cations (Li+, K+, Cs+) in carbonate…
View article: TXPES – A new soft X-ray spectroscopy beamline at the SESAME synchrotron
TXPES – A new soft X-ray spectroscopy beamline at the SESAME synchrotron Open
The Turkish Soft X-ray Photoelectron Spectroscopy (TXPES) beamline project at the Synchrotron-light for Experimental Science and Applications in the Middle East (SESAME) synchrotron, led by Turkish Energy Nuclear and Mineral Research Agenc…
View article: Cation Vacancy‐Mediated Ultrafast Hole Transport in CuBi<sub>2</sub>O<sub>4</sub> Photocathodes
Cation Vacancy‐Mediated Ultrafast Hole Transport in CuBi<sub>2</sub>O<sub>4</sub> Photocathodes Open
As a promising photocathode candidate, tetragonal CuBi 2 O 4 (CBO) has been studied extensively in recent years. As an intrinsically p‐type material, its acceptor sites originate from the cation vacancies, which are also a potential cause …
View article: Inside back cover
Inside back cover Open
Profound influence of surface trap states on the utilization of charge carriers in CdS photoanodes
View article: Profound influence of surface trap states on the utilization of charge carriers in CdS photoanodes
Profound influence of surface trap states on the utilization of charge carriers in CdS photoanodes Open
In CdS photoanodes, the decoration of surface sulfur vacancies by CTAB passivates the electron trapping process, resulting in improved photoelectrochemical water oxidation performance.
View article: Enhancement in CO Selectivity by Modification of ZnO with Cu<sub><i>x</i></sub>O for Electrochemical Reduction of CO<sub>2</sub>
Enhancement in CO Selectivity by Modification of ZnO with Cu<sub><i>x</i></sub>O for Electrochemical Reduction of CO<sub>2</sub> Open
A cost-effective and high abundance CuxO/ZnO-based electrocatalysts present high selectivity toward CO in CO2 reduction reactions at low overpotentials. The addition of CuxO does not always improve the selectivity of C2 products, instead, …
View article: Single-Atom Sn-Loaded Exfoliated Layered Titanate Shows Photocatalytic Activity in Hydrogen Generation
Single-Atom Sn-Loaded Exfoliated Layered Titanate Shows Photocatalytic Activity in Hydrogen Generation Open
Journal Article Single-Atom Sn-Loaded Exfoliated Layered Titanate Shows Photocatalytic Activity in Hydrogen Generation Get access Tuğçe Üstünel, Tuğçe Üstünel Materials Science and Engineering/Koç University, Istanbul, TurkeyKoç University…
View article: Controlling Oxygen Reduction Reaction Activities of Ag@Pt Core–Shell Nanoparticles Via Tuning of Ag in the Surface Layer
Controlling Oxygen Reduction Reaction Activities of Ag@Pt Core–Shell Nanoparticles Via Tuning of Ag in the Surface Layer Open
Pt layer thickness in [email protected] core-shell nanoparticles prepared via the seeded-growth method can be controlled in the synthesis stage. However, their oxygen reduction reaction (ORR) activity is not solely dependent on the Pt over…
View article: Templated Synthesis of Exfoliated Porous Carbon with Dominant Graphitic Nitrogen
Templated Synthesis of Exfoliated Porous Carbon with Dominant Graphitic Nitrogen Open
We present here a new approach for the synthesis of nitrogen-doped porous graphitic carbon (g-NC) with a stoichiometry of C6.3H3.6N1.0O1.2, using layered silicate as a hard sacrificial template. Autogenous exfoliation is achieved due to th…
View article: Single-Atom Sn-Loaded Exfoliated Layered Titanate Revealing Enhanced Photocatalytic Activity in Hydrogen Generation
Single-Atom Sn-Loaded Exfoliated Layered Titanate Revealing Enhanced Photocatalytic Activity in Hydrogen Generation Open
Green H2 generation through layered materials plays a significant role among a wide variety of materials owing to their high theoretical surface area and distinctive features in (photo)catalysis. Layered titanates (LTs) are a class of thes…
View article: Advancing the Understanding of the Structure–Activity–Durability Relation of 2D MoS<sub>2</sub> for the Hydrogen Evolution Reaction
Advancing the Understanding of the Structure–Activity–Durability Relation of 2D MoS<sub>2</sub> for the Hydrogen Evolution Reaction Open
It has been decades since electrochemical water splitting was proposed as a promising strategy for renewable hydrogen production. Transition-metal dichalcogenides offer cheap, earth-abundant catalyst candidates for the hydrogen evolution r…
View article: Hybrid CuFe–CoFe Prussian Blue Catalysts on BiVO<sub>4</sub> for Enhanced Charge Separation and Injection for Photoelectrochemical Water Oxidation
Hybrid CuFe–CoFe Prussian Blue Catalysts on BiVO<sub>4</sub> for Enhanced Charge Separation and Injection for Photoelectrochemical Water Oxidation Open
The utilization of cocatalysts on the photoelectrode surface is a feasible strategy to achieve a high photocurrent density in the photoelectrochemical water oxidation process. The catalysts can enhance the activity by improving the reactio…
View article: Mesoporous Molybdenum Sulfide-Oxide Composite Thin-Film Electrodes Prepared by a Soft Templating Method for the Hydrogen Evolution Reaction
Mesoporous Molybdenum Sulfide-Oxide Composite Thin-Film Electrodes Prepared by a Soft Templating Method for the Hydrogen Evolution Reaction Open
Electrode designs involving binder-free nanoparticles integrated within interconnected pore networks are critical in scaling up electrolyzers. MoS2 is the most promising electrocatalyst candidate that can show hydrogen evolution reaction (…
View article: Stabilization of Cu<sub>2</sub>O through Site-Selective Formation of a Co<sub>1</sub>Cu Hybrid Single-Atom Catalyst
Stabilization of Cu<sub>2</sub>O through Site-Selective Formation of a Co<sub>1</sub>Cu Hybrid Single-Atom Catalyst Open
Single-atom catalysts (SACs) consist of a low coverage of isolated metal atoms dispersed on a metal substrate, called single-atom alloys (SAAs), or alternatively single metal atoms coordinated to oxygen atoms on an oxide support. We presen…
View article: HIPPIE: a new platform for ambient-pressure X-ray photoelectron spectroscopy at the MAX IV Laboratory
HIPPIE: a new platform for ambient-pressure X-ray photoelectron spectroscopy at the MAX IV Laboratory Open
HIPPIE is a soft X-ray beamline on the 3 GeV electron storage ring of the MAX IV Laboratory, equipped with a novel ambient-pressure X-ray photoelectron spectroscopy (APXPS) instrument. The endstation is dedicated to performing in situ and …
View article: The Fast-Track Water Oxidation Channel on BiVO<sub>4</sub> Opened by Nitrogen Treatment
The Fast-Track Water Oxidation Channel on BiVO<sub>4</sub> Opened by Nitrogen Treatment Open
BiVO4 is one of the most promising photoanode materials for water-splitting systems. Nitrogen incorporation into a BiVO4 surface overcomes the known bottleneck in its charge-transfer kinetics into the electrolyte. We explored the role of n…
View article: Strong Light–Matter Interactions in Au Plasmonic Nanoantennas Coupled with Prussian Blue Catalyst on BiVO<sub>4</sub> for Photoelectrochemical Water Splitting
Strong Light–Matter Interactions in Au Plasmonic Nanoantennas Coupled with Prussian Blue Catalyst on BiVO<sub>4</sub> for Photoelectrochemical Water Splitting Open
A facial and large‐scale compatible fabrication route is established, affording a high‐performance heterogeneous plasmonic‐based photoelectrode for water oxidation that incorporates a CoFe–Prussian blue analog (PBA) structure as the water …
View article: High-Density Isolated Fe<sub>1</sub>O<sub>3</sub> Sites on a Single-Crystal Cu<sub>2</sub>O(100) Surface
High-Density Isolated Fe<sub>1</sub>O<sub>3</sub> Sites on a Single-Crystal Cu<sub>2</sub>O(100) Surface Open
Single-atom catalysts have recently been subject to considerable attention within applied catalysis. However, complications in the preparation of well-defined single-atom model systems have hampered efforts to determine the reaction mechan…
View article: Chemical Bond Activation Observed with an X-ray Laser
Chemical Bond Activation Observed with an X-ray Laser Open
The concept of bonding and antibonding orbitals is fundamental in chemistry. The population of those orbitals and the energetic difference between the two reflect the strength of the bonding interaction. Weakening the bond is expected to r…