Chemistry (Scholarly Publications): Recent submissions
Now showing items 141-160 of 931
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Nanoelectromechanical sensors based on suspended 2D materials
(2020)The unique properties and atomic thickness of two-dimensional (2D) materials enable smaller and better nanoelectromechanical sensors with novel functionalities. During the last decade, many studies have successfully shown ... -
Rapid and Large-Area Visualization of Grain Boundaries in MoS 2 on SiO 2 Using Vapor Hydrofluoric Acid
(2020)Grain boundaries in two-dimensional (2D) material layers have an impact on their electrical, optoelectronic, and mechanical properties. Therefore, the availability of simple large-area characterization approaches that can ... -
Calibration of Nonstationary Gas Sensors Based on Two-Dimensional Materials
(2020)Two-dimensional materials (2DMs) have high potential in gas sensing, due to their large surface-to-volume ratio. However, most sensors based on 2DMs suffer from the lack of a steady state during gas exposure, hampering ... -
Sub-millimeter size high mobility single crystal MoSe2 monolayers synthesized by NaCl-assisted chemical vapor deposition
(2020)Monolayer MoSe2 is a transition metal dichalcogenide with a narrow bandgap, high optical absorbance andlarge spin-splitting energy, giving it great promise for applications in thefield of optoelectronics. Producingmonolayer ... -
Quantum confinement-induced semimetal-to-semiconductor evolution in large-area ultra-thin PtSe2 films grown at 400 °C
(2019)In this work, we present a comprehensive theoretical and experimental study of quantum confinement in layered platinum diselenide (PtSe2) films as a function offilm thickness. Our electrical measurements, in combination ... -
Defect-moderated oxidative etching of MoS<inf>2</inf>
(2019)We report a simple technique for the selective etching of bilayer and monolayer MoS 2. In this work, chosen regions of MoS 2 were activated for oxygen adsorption and reaction by the application of low doses of He + at 30 ... -
PtSe2 grown directly on polymer foil for use as a robust piezoresistive sensor
(2019)Robust strain gauges are fabricated by growing PtSe2layers directly on top of flexible polyimide foils. These PtSe2layers are grown by low-temperature, thermally-assisted conversion of predeposited Pt layers. Under applied ... -
Few-Layer MoS2/a-Si:H Heterojunction Pin-Photodiodes for Extended Infrared Detection
(2019)Few-layer molybdenum disulfide (FL-MoS2) films have been integrated into amorphous silicon (a-Si:H) pin-photodetectors. To achieve this, vertical a-Si:H photodiodes were grown by plasma-enhanced chemical vapor deposition ... -
Electrical devices from top-down structured platinum diselenide films
(2018)Platinum diselenide (PtSe2) is an exciting new member of the two-dimensional (2D) transition metal dichalcogenide (TMD) family. It has a semimetal to semiconductor transition when approaching monolayer thickness and has ... -
Perforating Freestanding Molybdenum Disulfide Monolayers with Highly Charged Ions
(2019)Porous single-layer molybdenum disulfide (MoS2) is a promising material for applications such as DNA sequencing and water desalination. In this work, we introduce irradiation with highly charged ions (HCIs) as a new technique ... -
Template-free and surfactant free solvothermal synthesis of mesoporous manganese oxide with enhanced activity in the oxygen evolution reaction
(2017)Porous manganese carbonate was obtained via solvothermal synthesis using ethanol and urea. The manganese carbonate was subsequently used as a precursor to synthesise mesoporous manganese oxides via thermal treatments at ... -
Understanding the kinetics of catalysed reactions in microheterogeneous thin film electrodes
(2020)In this paper which is dedicated to Professor Richard Compton for his 65th birthday, we examine the problem of describing the transport and kinetics of catalytic reactions in which the catalyst is immobilized within a ... -
Site-Selective Oxidation of Monolayered Liquid-Exfoliated WS2 by Shielding the Basal Plane through Adsorption of a Facial Amphiphile
(2020)In recent years, various functionalization strategies for transition‐metal dichalcogenides have been explored to tailor the properties of materials and to provide anchor points for the fabrication of hybrid structures. ... -
Low-temperature synthesis and electrocatalytic application of large-area PtTe2thin films
(2020)The synthesis of transition metal dichalcogenides (TMDs) has been a primary focus for 2D nanomaterial research over the last 10 years, however, only a small fraction of this research has been concentrated on transition ... -
One dimensional AuAg nanostructures as anodic catalysts in ethylene glycol oxidation
(2020)Direct alcohol fuel cells are highly promising as efficient power sources for various mobile and portable applications. However, for the further advancement of fuel cell technology it is necessary to develop new, cost-effective ... -
Synthesis and characterisation of thin-film platinum disulfide and platinum sulfide
(2021)Group-10 transition metal dichalcogenides (TMDs) are rising in prominence within the highly innovative field of 2D materials. While PtS2 has been investigated for potential electronic applications, due to its high ... -
Slippery polymer monoliths: Surface functionalization with ordered MoS2 microparticle arrays
(2021)components of technical systems and devices often require self-lubricating properties, which are implemented by means of dry lubricants. However, continuous lubricant coatings on the components’ surfaces often ... -
Highly Selective Non-Covalent On-Chip Functionalization of Layered Materials
(2021)Non-covalent functionalization of layered 2D materials is an essential tool to modify and fully harness their optical, electrical, and chemical properties. Herein, a facile method enabling the selective formation of ... -
Large-area integration of two-dimensional materials and their heterostructures by wafer bonding
(2021)Integrating two-dimensional (2D) materials into semiconductor manufacturing lines is essential to exploit their material properties in a wide range of application areas. However, current approaches are not compatible with ... -
Long-lived excited state dynamics of i-motif structures probed by time-resolved infrared spectroscopy
(2016)UV‐generated excited states of cytosine (C) nucleobases are precursors to mutagenic photoproduct formation. The i‐motif formed from C‐rich sequences is known to exhibit high yields of long‐lived excited states following ...
