View article: Metal Catalysts for Heterogeneous Catalysis: From Single Atoms to Nanoclusters and Nanoparticles
Metal Catalysts for Heterogeneous Catalysis: From Single Atoms to Nanoclusters and Nanoparticles Open
Metal species with different size (single atoms, nanoclusters, and nanoparticles) show different catalytic behavior for various heterogeneous catalytic reactions. It has been shown in the literature that many factors including the particle…
View article
In-silico study of accuracy and precision of left-ventricular strain quantification from 3D tagged MRI Open
Cannabis has been used worldwide for centuries for industrial, recreational and medicinal use, however, to date no successful attempts at editing genes involved in cannabinoid biosynthesis have been reported. This study proposes and develo…
View article
Homogeneously dispersed multimetal oxygen-evolving catalysts Open
Modulating metal oxides The more difficult step in fuel cells and water electrolysis is the oxygen evolution reaction. The search for earth-abundant materials to replace noble metals for this reaction often turns to oxides of three-dimensi…
View article
Thermally stable single-atom platinum-on-ceria catalysts via atom trapping Open
Hot single-atom catalysts For heterogeneous catalysts made from precious metal nanoparticles adsorbed on metal oxides, high temperatures are the enemy. The metal atoms become mobile and the small particles grow larger, causing a loss in su…
View article
Removal of heavy metal ions from wastewater: a comprehensive and critical review Open
Removal of heavy metal ions from wastewater is of prime importance for a clean environment and human health. Different reported methods were devoted to heavy metal ions removal from various wastewater sources. These methods could be classi…
View article
Intriguing Optoelectronic Properties of Metal Halide Perovskites Open
A new chapter in the long and distinguished history of perovskites is being written with the breakthrough success of metal halide perovskites (MHPs) as solution-processed photovoltaic (PV) absorbers. The current surge in MHP research has l…
View article
Electrically Conductive Metal–Organic Frameworks Open
Metal-organic frameworks (MOFs) are intrinsically porous extended solids formed by coordination bonding between organic ligands and metal ions or clusters. High electrical conductivity is rare in MOFs, yet it allows for diverse application…
View article
Mild metal-catalyzed C–H activation: examples and concepts Open
C–H Activation reactions that proceed under mild conditions are more attractive for applications in complex molecule synthesis. Mild C–H transformations reported since 2011 are reviewed and the different concepts and strategies that have e…
View article
Reversible epitaxial electrodeposition of metals in battery anodes Open
Controlling electrode growth Batteries with metal anodes can grow dendrites during cycling, which can cause short circuits in a battery or subsequently reduce the charge capacity. Zheng et al. developed a process to electrodeposit zinc on …
View article
Understanding Degradation Mechanisms and Improving Stability of Perovskite Photovoltaics Open
This review article examines the current state of understanding in how metal halide perovskite solar cells can degrade when exposed to moisture, oxygen, heat, light, mechanical stress, and reverse bias. It also highlights strategies for im…
View article
A comprehensive overview of directing groups applied in metal-catalysed C–H functionalisation chemistry Open
The present review is devoted to summarizing the recent advances (2015–2017) in the field of metal-catalysed group-directed C–H functionalisation.
View article
Nanoscale Nucleation and Growth of Electrodeposited Lithium Metal Open
Lithium metal has re-emerged as an exciting anode for high energy lithium-ion batteries due to its high specific capacity of 3860 mAh g-1 and lowest electrochemical potential of all known materials. However, lithium has been plagued by the…
View article
Metallic Ti<sub>3</sub>C<sub>2</sub>T<sub><i>x</i></sub> MXene Gas Sensors with Ultrahigh Signal-to-Noise Ratio Open
Achieving high sensitivity in solid-state gas sensors can allow the precise detection of chemical agents. In particular, detection of volatile organic compounds (VOCs) at the parts per billion (ppb) level is critical for the early diagnosi…
View article
Biaxially strained PtPb/Pt core/shell nanoplate boosts oxygen reduction catalysis Open
An activity lift for platinum Platinum is an excellent but expensive catalyst for the oxygen reduction reaction (ORR), which is critical for fuel cells. Alloying platinum with other metals can create shells of platinum on cores of less exp…
View article
A New Strategy for Heavy Metal Polluted Environments: A Review of Microbial Biosorbents Open
Persistent heavy metal pollution poses a major threat to all life forms in the environment due to its toxic effects. These metals are very reactive at low concentrations and can accumulate in the food web, causing severe public health conc…
View article
Covalent surface modifications and superconductivity of two-dimensional metal carbide MXenes Open
Modifying MXene surfaces Unlike graphene and transition-metal dichalcogenides, two-dimensional transition-metal carbides (MXenes) have many surface sites that can be chemically modified. Etching of the aluminum layer of a parent MAX phase …
View article
Anomalous absorption of electromagnetic waves by 2D transition metal carbonitride Ti <sub>3</sub> CNT <i> <sub>x</sub> </i> (MXene) Open
Shields up! Specialized conductive materials are used to shield or block electromagnetic radiation such as microwaves or radio waves to either prevent the escape of stray radiation or prevent interference from unwanted sources. Ideal mater…
View article
Element Replacement Approach by Reaction with Lewis Acidic Molten Salts to Synthesize Nanolaminated MAX Phases and MXenes Open
Nanolaminated materials are important because of their exceptional properties and wide range of applications. Here, we demonstrate a general approach to synthesizing a series of Zn-based MAX phases and Cl-terminated MXenes originating from…
View article
Silver Nanoparticles: Synthesis and Application for Nanomedicine Open
Over the past few decades, metal nanoparticles less than 100 nm in diameter have made a substantial impact across diverse biomedical applications, such as diagnostic and medical devices, for personalized healthcare practice. In particular,…
View article
A review on noble-metal-free bifunctional heterogeneous catalysts for overall electrochemical water splitting Open
This review summarizes recent research progress and perspectives on noble-metal-free bifunctional heterogeneous electrocatalysts towards hydrogen and oxygen evolution reactions in overall water splitting.
View article
Accurate Determination of Coulombic Efficiency for Lithium Metal Anodes and Lithium Metal Batteries Open
Lithium (Li) metal is an ideal anode material for high energy density batteries. However, the low Coulombic efficiency (CE) and the formation of dendrites during repeated plating and stripping processes have hindered its applications in re…
View article
Identification of catalytic sites for oxygen reduction and oxygen evolution in N-doped graphene materials: Development of highly efficient metal-free bifunctional electrocatalyst Open
Doping of graphene with nitrogen imparted bifunctional electrocatalytic activities for efficient energy conversion and storage.
View article
Defect Engineering: Tuning the Porosity and Composition of the Metal–Organic Framework UiO-66 via Modulated Synthesis Open
Presented in this paper is a deep investigation into the defect chemistry of UiO-66 when synthesized in the presence of monocarboxylic acid modulators under the most commonly employed conditions. We unequivocally demonstrate that missing c…
View article
Charge-Carrier Mobilities in Metal Halide Perovskites: Fundamental Mechanisms and Limits Open
Perovskite photovoltaic cells have seen a remarkable rise in power conversion efficiencies over a period of only a few years. Much of this performance is underpinned by the favorable charge-carrier mobilities in metal halide perovskites (M…
View article
High‐Voltage Lithium‐Metal Batteries Enabled by Localized High‐Concentration Electrolytes Open
Rechargeable lithium‐metal batteries (LMBs) are regarded as the “holy grail” of energy‐storage systems, but the electrolytes that are highly stable with both a lithium‐metal anode and high‐voltage cathodes still remain a great challenge. H…
View article
Solvation Structure Design for Aqueous Zn Metal Batteries Open
Aqueous Zn batteries are promising energy storage devices for large-scale energy-storage due to low cost and high energy density. However, their lifespan is limited by the water decomposition and Zn dendrite growth. Here, we suppress water…
View article
Electronic and Optical Properties of 2D Transition Metal Carbides and Nitrides (MXenes) Open
2D transition metal carbides, carbonitrides, and nitrides, known as MXenes, are a rapidly growing family of 2D materials with close to 30 members experimentally synthesized, and dozens more studied theoretically. They exhibit outstanding e…
View article
Catalytic oxidation of Li <sub>2</sub> S on the surface of metal sulfides for Li−S batteries Open
Significance A series of metal sulfides were systematically investigated as polar hosts to reveal the key parameters correlated to the energy barriers and polysulfide adsorption capability in Li−S batteries. The investigation demonstrates …
View article
High entropy oxides for reversible energy storage Open
In recent years, the concept of entropy stabilization of crystal structures in oxide systems has led to an increased research activity in the field of “high entropy oxides”. These compounds comprise the incorporation of multiple metal cati…
View article
Not All That Glitters Is Gold: Metal-Migration-Induced Degradation in Perovskite Solar Cells Open
Perovskite solar cells (PSCs) have now achieved efficiencies in excess of 22%, but very little is known about their long-term stability under thermal stress. So far, stability reports have hinted at the importance of substituting the organ…