1.9k citations · 11.5k across the 49 of their papers we have counts for
49 papers
Ultra-clean assembly of van der Waals heterostructures
Wendong Wang, Nicholas Clark, Matthew Hamer +24
Layer-by-layer assembly of van der Waals (vdW) heterostructures underpins new discoveries in solid state physics, material science and chemistry. Despite the successes, all current…
Telluride nanocrystals with adjustable amorphous shell thickness and core-shell structure modulation by aqueous cation-exchange
Xinyuan Li, Mengyao Su, Yi-Chi Wang +4
Engineering the structure of core-shell colloidal semiconductor nanoparticles (CSNPs) is attractive due to the potential to enhance photo-induced charge transfer (PICT) and induce…
Gas permeation through graphdiyne-based nanoporous membranes
Zhihua Zhou, Yongtao Tan, Qian Yang +20
Nanoporous membranes based on two dimensional materials are predicted to provide highly selective gas transport in combination with extreme permeability. Here we investigate membra…
Tracking single atoms in a liquid environment
Nicholas Clark, Daniel J. Kelly, Mingwei Zhou +7
The chemical behaviour of single metal atoms largely depends on the local coordination environment, including interactions with the substrate and with the surrounding gas or liquid…
Surfactant-Free Synthesis of Spiky Hollow Ag-Au Nanostars with Chemically Exposed Surfaces for Enhanced Catalysis and Single-Particle SERS
Ziwei Ye, Chunchun Li, Maurizio Celentano +8
Spiky/hollow metal nanoparticles have applications across a broad range of fields. However, current bottom-up methods to produce spiky/hollow metal nanoparticles rely heavily on th…
Doped graphene/carbon black hybrid catalyst giving enhanced oxygen reduction reaction activity with high resistance to corrosion in proton exchange membrane fuel cells
Zhaoqi Ji, Jianuo Chen, María Pérez-Page +6
Nitrogen doping of the carbon is an important method to improve the performance and durability of catalysts for proton exchange membrane fuel cells by platinum-nitrogen and carbon-…
Oleylamine aging of PtNi nanoparticles giving enhanced functionality for the oxygen reduction reaction
Gerard M Leteba, Yi-Chi Wang, Thomas J A Slater +10
We report a rapid solution-phase strategy to synthesize alloyed PtNi nanoparticles which demonstrate outstanding functionality for the oxygen reduction reaction (ORR). This one-pot…
Interfacial ferroelectricity in marginally twisted 2D semiconductors
Astrid Weston, Eli G Castanon, Vladimir Enaldiev +19
Twisted heterostructures of two-dimensional crystals offer almost unlimited scope for the design of novel metamaterials. Here we demonstrate a room-temperature ferroelectric semico…
Ion exchange in atomically thin clays and micas
Yi-Chao Zou, Lucas Mogg, Nick Clark +13
Clays and micas are receiving attention as materials that, in their atomically thin form, could allow for novel proton conductive, ion selective, osmotic power generation, or solve…
Iron-silica interaction during reduction of precipitated silica-promoted iron oxides using in situ XRD and TEM
M. J. Coombes, E. J. Olivier, E. Prestat +3
The effect of silica-promotion on the reduction of iron oxides in hydrogen was investigated using in situ X-ray diffraction and aberration-corrected transmission electron microscop…
Hydrocarbon Contamination in Angstrom-scale Channels
Ravalika Sajja, Yi You, Rongrong Qi +6
Nonspecific molecular adsorption like airborne contamination occurs on most surfaces including those of 2D materials and alters their properties. While the surface contamination is…
In-Orbit Aerodynamic Coefficient Measurements using SOAR (Satellite for Orbital Aerodynamics Research)
N. H. Crisp, P. C. E. Roberts, S. Livadiotti +26
The Satellite for Orbital Aerodynamics Research (SOAR) is a CubeSat mission, due to be launched in 2021, to investigate the interaction between different materials and the atmosphe…
A Review of Gas-Surface Interaction Models for Orbital Aerodynamics Applications
Sabrina Livadiotti, Nicholas H. Crisp, Peter C. E. Roberts +29
Renewed interest in Very Low Earth Orbits (VLEO) - i.e. altitudes below 450 km - has led to an increased demand for accurate environment characterisation and aerodynamic force pred…
Atomic Resolution Imaging of CrBr using Adhesion-Enhanced Grids
Matthew J. Hamer, David G. Hopkinson, Nick Clark +7
Suspended specimens of 2D crystals and their heterostructures are required for a range of studies including transmission electron microscopy (TEM), optical transmission experiments…
Holographic reconstruction of the interlayer distance of bilayer two-dimensional crystal samples from their convergent beam electron diffraction patterns
Tatiana Latychevskaia, Yichao Zou, Colin Robert Woods +5
The convergent beam electron diffraction (CBED) patterns of twisted bilayer samples exhibit interference patterns in their CBED spots. Such interference patterns can be treated as…
The Benefits of Very Low Earth Orbit for Earth Observation Missions
N. H. Crisp, P. C. E. Roberts, S. Livadiotti +30
Very low Earth orbits (VLEO), typically classified as orbits below approximately 450 km in altitude, have the potential to provide significant benefits to spacecraft over those tha…
Raman Fingerprints of Graphene Produced by Anodic Electrochemical Exfoliation
Vaiva Nagyte, Daniel J. Kelly, Alexandre Felten +11
Electrochemical exfoliation is one of the most promising methods for scalable production of graphene. However, limited understanding of its Raman spectrum as well as lack of measur…
Graphene-TiS heterojunction for selective polar vapor sensing at room temperature
Nassim Rafiefard, Azam Iraji zad, Ali Esfandiar +5
In this work, the room temperature polar vapor sensing behavior of two dimentional (2D) heterojunction Graphene-TiS3 materials and TiS3 nanoribbons is investigated. TiS3 nanoribbon…
Design-controlled Synthesis of IrO sub-monolayers on Au Nanodendrites: Marrying Plasmonic and Electrocatalytic Properties
Isabel C. de Freitas, Luanna S. Parreira, Eduardo C. M. Barbosa +10
We develop herein plasmonic-catalytic Au-IrO nanostructures with a morphology optimized for efficient light harvesting and catalytic surface area; the nanoparticles have a dend…
Convergent beam electron diffraction of multilayer van der Waals structures
Tatiana Latychevskaia, Colin Robert Woods, Yi Bo Wang +4
Convergent beam electron diffraction is routinely applied for studying deformation and local strain in thick crystals by matching the crystal structure to the observed intensity di…
Enhanced superconductivity in few-layer TaS due to healing by oxygenation
J. Bekaert, E. Khestanova, D. G. Hopkinson +15
When approaching the atomically thin limit, defects and disorder play an increasingly important role in the properties of two-dimensional materials. Superconductivity is generally…
Atomic reconstruction in twisted bilayers of transition metal dichalcogenides
Astrid Weston, Yichao Zou, Vladimir Enaldiev +17
Van der Waals heterostructures form a massive interdisciplinary research field, fueled by the rich material science opportunities presented by layer assembly of artificial solids w…
Stacking Order in Graphite Films Controlled by Van der Waals Technology
Yaping Yang, Yi-Chao Zou, Colin R. Woods +10
In graphite crystals, layers of graphene reside in three equivalent, but distinct, stacking positions typically referred to as A, B, and C projections. The order in which the layer…
Ultra-thin van der Waals crystals as semiconductor quantum wells
Johanna Zultak, Samuel Magorrian, Maciej Koperski +11
Control over the electronic spectrum at low energy is at the heart of the functioning of modern advanced electronics: high electron mobility transistors, semiconductor and Capasso…