Presently, research in layered transition metal dichalcogenides (TMDs) for numerous electrochemical applications have largely focused on Group 6 TMDs, especially MoS 2 and WS , whereas TMDs belonging to other groups are relatively unexplored. This work unravels the electrochemistry of 10 TMDs: specifically PtS PtSe PtTe . Here, inherent electroactivities these Pt effectiveness activation their charge transfer electrocatalytic properties thoroughly examined. By performing density functional...

Here, we unravel trends of layered Group 5 transition metal dichalcogenides in aspects their electrocatalytic hydrogen evolution and electrochemistry.

Layered transition metal dichalcogenides (TMDs) have been the center of attention in scientific community due to their properties that can be tapped on for applications electrochemistry and hydrogen evolution reaction (HER) catalysis. We report effect electrochemical treatment exfoliated MoS2, WS2, MoSe2 WSe2 nanosheets toward goal activating HER catalytic TMDs. In particular, activation heterogeneous electron transfer (HET) abilities is achieved via reductive treatments at identified...

Despite the far-reaching applications of layered Sn chalcogenides to date, their electrochemistry and electrochemical electrocatalytic properties remain a mystery. The bulk current research highlights promising uses with limited discourse on relevance valency or crystal structures properties. We therefore examine orthorhombic SnS hexagonal SnS2, determine implications applications, namely, oxygen reduction reaction (ORR), evolution (OER), hydrogen (HER). Higher inherent electroactivity has...

Two members of the transition metal ditelluride family, CoTe2 and NiTe2 , exist in multiple structures encompassing marcasite-, pyrite- CdI2 related structures. The allotrope modification is influenced by weak changes stoichiometry synthesis. It crucial to emphasize that structure type manifested while adopts a for non-stoichiometric composition with ratio below 1:1.8. obtained based on LiTiS2 which derived from structure, however contains polymeric cobalt network. Despite atypical nature...

Abstract MoS 2 has become particularly popular for its catalytic properties towards the hydrogen evolution reaction (HER). It been shown that metallic 1T phase of , obtained by chemical exfoliation after lithium intercalation, possesses enhanced activity over semiconducting 2H due to improved conductivity which facilitate charge‐transfer kinetics. Here we demonstrate a simple electrochemical method precisely tune electron‐transfer kinetics as well both exfoliated and bulk ‐based films. A...

Metallic 1T-WS2 has various interesting properties such as increased density of catalytically active sites on both the basal planes and edges well metallic conductivity which allows it to be used in applications biosensing energy devices. Hence, is highly beneficial develop a simple, efficient, low-cost synthesis method nanosheets from commercially available bulk 2H-WS2. In this study, we reported WS2 synthesized directly via solution-based electrochemical exfoliation with bipolar electrodes...

Direct and scalable electrochemical exfoliation of nonconductive boron nitride (<italic>h</italic>-BN) nanosheets by bipolar electrochemistry method.

Platinum (Pt)-based materials are inevitably among the best-performing electrocatalysts for hydrogen evolution reaction (HER). MoS2 was suggested to be a potent HER catalyst replace Pt in this by theoretical modeling; however, practice, dream remains elusive. Here we show facile one-pot bottom-up synthesis of Pt–MoSx composites using electrochemical reduction an electrolytic bath precursor and ammonium tetrathiomolybdate under ambient conditions. By modifying millimolar concentration...

During the past few years, growing attention has been paid to black phosphorus (BP) and its unique optical, electrical, catalytic properties. Furthermore, BP proven be biocompatible biodegradable; qualities that present new opportunities for utilization in field of life sciences. However, despite all suitable properties applicability, biomedicine is still infancy. This study reports on synthesis nanoparticles (BP NPs) exploration thier applicability targeted drug delivery. NPs are loaded...

Owing to the anisotropic nature, layered transition metal dichalcogenides (TMDs) have captured tremendous attention for their promising uses in a plethora of applications. Currently, bulk research is centered on Group 6 TMDs. Layered noble dichalcogenides, particular tellurides, belong subset 10 TMDs, wherein either palladium or platinum. We address here lack contemporary knowledge these compounds by providing comprehensive study electrochemistry PdTe2 and PtTe2, efficiency as...

Abstract Halogenated sp 2 materials are of high interest owing to their important electronic and electrochemical properties. Although methods for graphite graphene fluorination have been extensively researched, the fundamental properties fluorinated not well established. In this paper, electrochemistry three fluorographite different carbon‐to‐fluorine ratio were studied: (CF 0.33 ) n , 0.47 0.75 . Our findings reveal that will impact performance. Faster heterogeneous electron‐transfer (HET)...

Abstract Self‐propelled, autonomous micro and nanomachines are at the forefront of current nanotechnology. These nanodevices move actively to perform desired tasks, usually using chemical energy from their surrounding environment. Typically, these structures fabricated via clean room or template‐based electrodeposition methodologies, which yield relatively low numbers devices. To utilize machines in industrial‐scale operations, one would need an inexpensive fabrication route for mass...

Abstract Layered transition‐metal dichalcogenides (TMDs) are valued for their electrocatalytic properties toward the hydrogen‐evolution reaction (HER) and oxygen‐reduction (ORR). One effective strategy to activate of TMDs is through doping. The optimistic outlook doped‐MoS 2 as an electrocatalyst witnessed in previous reports spurred us examine effect doping WSe with Group 5 species, namely V, Nb, Ta, aspects inherent electroactivities catalysis. Apart from mild reduction signal unique...

Transition metal dichalcogenides (TMDs) are prized as electrocatalysts for hydrogen evolution reaction (HER). Common TMD syntheses entail conditions of high temperatures and reagents that detrimental to the environment. The electrochemical synthesis TMDs is advocated a viable alternative conventional synthetic procedures in terms simplicity, ecological sustainability, versatility deposition on various surfaces at room temperature. In this work, we demonstrate successful fabrication...

Molybdenum disulfide (MoS2 ) is at the forefront of materials research. It shows great promise for electrochemical applications, especially hydrogen evolution reaction (HER) catalysis. There a significant discrepancy in literature on reported catalytic activity HER catalysis MoS2 . Here we test performance obtained from seven sources and show that these provide various phase purity (2H 3R, their mixtures) composition, which responsible different properties. The overpotentials -10 mA cm-2...

Layered transition metal dichalcogenides are catalytically important compounds. Unlike the mounting interest in such as MoS2 and WS2 for electrochemical applications, other chalcogenides with layered structure but different chemical composition have received little attention among scientific community. One example is represented by thallium(I) sulfide (Tl2S), a Group 13 chalcogenide, which adopts peculiar anti-CdCl2 type where chalcogen sandwiched between layers. This exact opposite of...

The development of non-noble metal and earth-abundant-based electrocatalysts for electrochemical hydrogen production is great significance large scale application water splitting technology. Particularly, molybdenum- tungsten-based materials, such as MoS2, WS2, MoP, WP, are widely studied their promising performance in catalyzing the evolution reaction (HER), especially nanostructured forms. Here, we investigate HER activity molybdenum tungsten borides, which highly understudied, report use...

Abstract In comparison to the extensive research and great success attained by Group 6 transition metal dichalcogenides (TMDs) as hydrogen evolution reaction (HER) electrocatalysts, there is limited focused on metallic 5 TMDs for use electrocatalysts evolution. Density functional theory calculations have pointed out that are highly favorable HER, especially vanadium disulfide. this work, nanocomposites of graphene were synthesized thermal exfoliation oxide/TMD precursors in an H 2 S...

We show here that the enhanced electrochemical behaviour of carbon nanotubes towards redox reactions p-aminophenol does not stem from innate properties nanotubes. Investigating isolated effect each component present within samples, which are nanotube, graphitic and amorphous carbonaceous impurities metallic impurities, we have elucidated solely both amorphous, significantly accelerate electron transfer reaction at nanotube surfaces.

Black phosphorus (BP) has been proven to be biocompatible and biodegradable. Martin Pumera co-workers report on synthesis of BP nanoparticles (BP NPs) apply them in targeted drug delivery platinum-based antineoplastic article number 1701955. NPs can load investigated platinum agents their surfaces, transfer the therapeutic cargo, combine effect with anticancer oxaliplatin.