Diselenide
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A nickel iron diselenide-derived efficient oxygen-evolution catalyst Open
Efficient oxygen-evolution reaction catalysts are required for the cost-effective generation of solar fuels. Metal selenides have been reported as promising oxygen-evolution catalysts; however, their active forms are yet to be elucidated. …
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Single-Layer ReS<sub>2</sub>: Two-Dimensional Semiconductor with Tunable In-Plane Anisotropy Open
Rhenium disulfide (ReS2) and diselenide (ReSe2), the group 7 transition metal dichalcogenides (TMDs), are known to have a layered atomic structure showing an in-plane motif of diamond-shaped-chains (DS-chains) arranged in parallel. Using a…
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High-Performance Hybrid Electronic Devices from Layered PtSe<sub>2</sub>Films Grown at Low Temperature Open
Layered two-dimensional (2D) materials display great potential for a range of applications, particularly in electronics. We report the large-scale synthesis of thin films of platinum diselenide (PtSe2), a thus far scarcely investigated tra…
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High Mobility 2D Palladium Diselenide Field‐Effect Transistors with Tunable Ambipolar Characteristics Open
Due to the intriguing optical and electronic properties, 2D materials have attracted a lot of interest for the electronic and optoelectronic applications. Identifying new promising 2D materials will be rewarding toward the development of n…
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Palladium Diselenide Long-Wavelength Infrared Photodetector with High Sensitivity and Stability Open
A long-wavelength infrared photodetector based on two-dimensional materials working at room temperature would have wide applications in many aspects in remote sensing, thermal imaging, biomedical optics, and medical imaging. However, sub-b…
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Two-dimensional multibit optoelectronic memory with broadband spectrum distinction Open
Optoelectronic memory plays a vital role in modern semiconductor industry. The fast emerging requirements for device miniaturization and structural flexibility have diverted research interest to two-dimensional thin layered materials. Here…
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Raman characterization of platinum diselenide thin films Open
Platinum diselenide (PtSe2) is a newly discovered 2D material which is of\ngreat interest for applications in electronics and catalysis. PtSe2 films were\nsynthesized by thermally-assisted selenization of predeposited platinum films\nand s…
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Promoting the sulfur redox kinetics by mixed organodiselenides in high-energy-density lithium–sulfur batteries Open
Lithium–sulfur (Li–S) batteries are considered as a highly promising energy storage system due to their ultrahigh theoretical energy density. However, the sluggish kinetics of the complex multi-electron sulfur redox reactions seriously hin…
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Fast Photoresponse from 1T Tin Diselenide Atomic Layers Open
Atomically layered 2D crystals such as transitional metal dichalcogenides (TMDs) provide an enchanting landscape for optoelectronic applications due to their unique atomic structures. They have been most intensively studied with 2H phase f…
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Nonlinear optical responses in two-dimensional transition metal dichalcogenide multilayer: WS_2, WSe_2, MoS_2 and Mo _05 W_05 S_2 Open
Synthetic two-dimensional transition metal dichalcogenides such as, tungsten disulphide (WS2), tungsten diselenide (WSe2), molybdenum disulphide (MoS2) as well as mixed molybdenum tungsten disulphide (Mo0.5W0.5S2) single crystals were grow…
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Giant nonlinear optical activity in two-dimensional palladium diselenide Open
Nonlinear optical effects in layered two-dimensional transition metal chalcogenides have been extensively explored recently because of the promising prospect of the nonlinear optical effects for various optoelectronic applications. However…
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Boosting Alkaline Hydrogen Evolution Reaction via an Unexpected Dynamic Evolution of Molybdenum and Selenium on MoSe<sub>2</sub> Electrode Open
Transition metal chalcogenides are a promising and extremely pivotal class of electrocatalysts with potential applications in alkaline hydrogen evolution reaction (HER), especially, molybdenum diselenide. Although the exposed edge sites ar…
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Palladium diselenide as a direct absorption saturable absorber for ultrafast mode-locked operations: from all anomalous dispersion to all normal dispersion Open
Layered transition metal dichalcogenides with excellent nonlinear absorption properties have shown remarkable performance in acting as ultrafast photonics devices. In our work, palladium diselenide (PdSe 2 ) nanosheets with competitive adv…
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Sensitivity Enhancement of a Surface Plasmon Resonance Sensor with Platinum Diselenide Open
The extraordinary optoelectronic properties of platinum diselenide (PtSe2), whose structure is similar to graphene and phosphorene, has attracted great attention in new rapidly developed two-dimensional (2D) materials beyond the other 2D m…
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Structural, electronic and phononic properties of PtSe<sub>2</sub>: from monolayer to bulk Open
The layer dependent structural, electronic and vibrational properties of the 1T phase of two dimensional (2D) platinum diselenide are investigated by means of state-of-the-art first-principles calculations. The main findings of the study a…
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Cobalt diselenide nanobelts grafted on carbon fiber felt: an efficient and robust 3D cathode for hydrogen production Open
An easily scaled-up 3D CoSe2/CFF hierarchical electrode has been developed as a highly active and stable hydrogen evolution reaction cathode.
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Rapid and Nondestructive Identification of Polytypism and Stacking Sequences in Few‐Layer Molybdenum Diselenide by Raman Spectroscopy Open
Various combinations of interlayer shear modes emerge in few-layer molybdenum diselenide grown by chemical vapor deposition depending on the stacking configuration of the sample. Raman measurements may also reveal polytypism and stacking f…
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Ferromagnetism in 2D Vanadium Diselenide Open
Two-dimensional (2D) van der Waals ferromagnets carry the promise of ultimately miniature spintronics and information storage devices. Among the 2D ferromagnets, all inherit the magnetic ordering from their bulk ancestors. Here we report a…
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Utilizing Diselenide Precursors toward Rationally Controlled Synthesis of Metastable CuInSe<sub>2</sub> Nanocrystals Open
We present that within the past decade, there has been an emergence of reports regarding the synthetic isolation of multinary metal chalcogenide nano-crystals that persist under ambient conditions with metastable crystal structures; howeve…
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Tin diselenide as a new saturable absorber for generation of laser pulses at 1μm Open
The nonlinear optical responses of two-dimensional (2D) few-layer tin diselenide (SnSe2) have been investigated in this work. By applying the Z-scan technique, the saturable absorption of SnSe2 thin film has been observed at a wavelength o…
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Three-Dimensional Molybdenum Diselenide Helical Nanorod Arrays for High-Performance Aluminum-Ion Batteries Open
The rechargeable aluminum-ion battery (AIB) is a promising candidate for next-generation high-performance batteries, but its cathode materials require more development to improve their capacity and cycling life. We have demonstrated the gr…
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Electrocatalysts: Nickel–Cobalt Diselenide 3D Mesoporous Nanosheet Networks Supported on Ni Foam: An All‐pH Highly Efficient Integrated Electrocatalyst for Hydrogen Evolution (Adv. Mater. 19/2017) Open
Wen-Jun Zhang and co-workers demonstrate an integrated electrocatalyst comprising 3D nickel-cobalt diselenide mesoporous nanosheet networks supported on Ni foam, as reported in article number 1606521. Due to the collective effects of speci…
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Nickel Iron Diselenide for Highly Efficient and Selective Electrocatalytic Conversion of Methanol to Formate Open
The electro‐oxidation of methanol to formate is an interesting example of the potential use of renewable energies to add value to a biosourced chemical commodity. Additionally, methanol electro‐oxidation can replace the sluggish oxygen evo…
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Direct synthesis and in situ characterization of monolayer parallelogrammic rhenium diselenide on gold foil Open
Rhenium diselenide (ReSe 2 ) has recently garnered great research interest due to its distorted 1T structure, anisotropic physical properties, and applications in polarization-sensitive photodetectors. However, ReSe 2 synthesized by chemic…
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Intrinsic lifetime of higher excitonic states in tungsten diselenide monolayers Open
The reduced dielectric screening in atomically thin transition metal dichalcogenides allows to study the hydrogen-like series of higher exciton states in optical spectra even at room temperature.
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Synthesis and Surface-Enhanced Raman Scattering of Ultrathin SnSe2 Nanoflakes by Chemical Vapor Deposition Open
As a new atomically layered, two-dimensional material, tin (IV) diselenide (SnSe2) has attracted extensive attention due to its compelling application in electronics and optoelectronics. However, the great challenge of impurities and the p…
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Construction of Challenging Proline–Proline Junctions via Diselenide–Selenoester Ligation Chemistry Open
Polyproline sequences are highly abundant in prokaryotic and eukaryotic proteins, where they serve as key components of secondary structure. To date, construction of the proline-proline motif has not been possible owing to steric congestio…
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Review on 2D Molybdenum Diselenide (MoSe<sub>2</sub>) and Its Hybrids for Green Hydrogen (H<sub>2</sub>) Generation Applications Open
Hydrogen (H2) is a green and economical substitute to traditional fossil fuels due to zero carbon emissions. Water splitting technology is developing at a rapid speed to sustainably generate H2 through electro- and photolysis of water with…
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Enhanced optical sensitivity of molybdenum diselenide (MoSe_2) coated side polished fiber for humidity sensing Open
In this paper, a side-polished fiber (SPF) coated with molybdenum diselenide (MoSe2) is proposed, and its characteristic of relative humidity (RH) sensing is investigated. It is found in the experiment that an enhancement in RH sensitivity…
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Small changes in the length of diselenide bond-containing linkages exert great influences on the antitumor activity of docetaxel homodimeric prodrug nanoassemblies Open
Homodimeric prodrug-based self-assembled nanoparticles, with carrier-free structure and ultrahigh drug loading, is drawing more and more attentions. Homodimeric prodrugs are composed of two drug molecules and a pivotal linkage. The influen…