A5050052022- Surface Modification and Superhydrophobicity
- Polymer Surface Interaction Studies
- Fiber-reinforced polymer composites
- Graphene research and applications
- Inhalation and Respiratory Drug Delivery
- Electrocatalysts for Energy Conversion
- Microencapsulation and Drying Processes
- Electron and X-Ray Spectroscopy Techniques
- Advanced Photocatalysis Techniques
- Molecular Junctions and Nanostructures
- Diamond and Carbon-based Materials Research
- Catalytic Processes in Materials Science
- Advanced biosensing and bioanalysis techniques
- Perovskite Materials and Applications
- Chalcogenide Semiconductor Thin Films
- Advanced Sensor and Energy Harvesting Materials
- Drug Solubulity and Delivery Systems
- Advanced battery technologies research
- Carbon Nanotubes in Composites
- Nanofabrication and Lithography Techniques
- Aerosol Filtration and Electrostatic Precipitation
- Semiconductor materials and devices
- Machine Learning in Materials Science
- Electrospun Nanofibers in Biomedical Applications
- Quantum Dots Synthesis And Properties
CSIRO Manufacturing
2015-2024
Commonwealth Scientific and Industrial Research Organisation
2014-2024
Brigham Young University
2020-2021
Hochschule für Künste im Sozialen
2021
Linköping University
2020
Pacific Northwest National Laboratory
2020
Cardiff University
2020
Weizmann Institute of Science
2020
Swinburne University of Technology
2020
Thermo Fisher Scientific (United Kingdom)
2020
The synthesis of hydrogen peroxide (H2O2) from H2O and O2 by metal-free photocatalysts (e.g., graphitic carbon nitride, C3N4) is a potentially promising approach to generate H2O2. However, the photocatalytic H2O2 generation activity pristine C3N4 in pure poor due unpropitious rapid charge recombination unfavorable selectivity. Herein, we report facile method boost production grafting cationic polyethylenimine (PEI) molecules onto C3N4. Experimental results density functional theory (DFT)...
The carbon 1s photoelectron spectrum is the most widely fit and analyzed narrow scan in x-ray spectroscopy (XPS) literature. It is, therefore, critically important to adopt well-established protocols based on best practices for its analysis, since results of these efforts affect research outcomes a wide range different application areas across materials science. Unfortunately, much XPS peak fitting scientific literature inaccurate. In this guide, we describe explain common problems...
This guide deals with methods to control surface charging during XPS analysis of insulating samples and approaches extracting useful binding energy information. The summarizes the causes charging, how recognize when it occurs, minimize charge buildup, used adjust or correct photoelectron energies systems are used. There multiple ways buildup measurements, examples on advanced instruments described. is no single, simple, foolproof way extract material, but advantages limitations several...
A facile method to produce metal halide perovskite solar cells with improved stability and efficiency.
This study was undertaken to understand the extent and nature of problems in x-ray photoelectron spectroscopy (XPS) data reported literature. It first presents an assessment XPS three high-quality journals over a six-month period. analysis 409 publications showing spectra provides insight into how is being used, identifies common mistakes or errors analysis, reveals which elements are most commonly analyzed. More than 65% papers showed fitting XP spectra. An ad hoc group (herein identified...
Abstract Current technology for blood glucose level monitoring is mainly based on the invasive finger‐prick extraction of a small drop using lancet and measured via handheld glucometer, which not conducive to continuous measurements. Interstitial fluid (ISF) gaining attention as an alternative biofluid. Its biochemical composition very similar that it can be monitored in manner minimally methods cause no pain minimize any risk infection. Herein, microneedle array (MNA) transdermal sensing...
Abstract The attachment and growth of human endothelial cells fibroblasts was studied on polymer surfaces fabricated by the polymerization volatile amine amide compounds in a low pressure gas plasma, treatment various ammonia plasmas, which served to increase nitrogen content surface layers. Infrared spectra showed presence groups, including those cases where compound ('monomer') did not contain oxygen. performance cell correlated with hydrophilicity content, although for latter fair degree...
A hierarchical TiO<sub>2</sub> nanowire@MoS<sub>2</sub> nanosheet nanocomposite is synthesized by a facile glucose-assisted hydrothermal approach and exhibits synergistic lithium storage properties with improved electrochemical performance.
This work describes the facile microwave synthesis of interlayer expanded, nanosized MoS2 sheets that are vertically aligned on a well-conducting reduced graphene (rGO) support, as confirmed by X-ray diffraction, Raman and photoelectron spectroscopy, scanning electron microscopy with energy dispersive analysis, high-resolution transmission microscopy. Such structure has been predicted to be highly favorable for efficient electrocatalysis hydrogen evolution but could not achieved until now....
Development of extremely low density graphene elastomer (GE) holds the potential to enable new properties that traditional cellular materials cannot offer, which are promising for a range emerging applications, ranging from flexible electronics multifunctional scaffolds. However, existing foams with generally found have very poor mechanical resilience. It is scientifically intriguing but remains unresolved whether and how limit this class can be further pushed down while their resilience...
Abstract Silver bismuth iodides (Ag a Bi b I +3 ) are nontoxic and comparatively cheap photovoltaic materials, but their wide bandgaps downshifted valence band edges limit performance as light absorbers in solar cells. Herein, strategy is introduced to tune the optoelectronic properties of Ag by partial anionic substitution with sulfide dianion. A consistent narrowing bandgap 0.1 eV an upshift edge 0.1–0.3 upon modification demonstrated for AgBiI 4 , 2 BiI 5 3 6 AgBi 7 compositions. Solar...
Previous theoretical work has predicted vanadium and niobium nitrides to be catalytically active toward the electrochemical reduction of dinitrogen ammonia inactive for hydrogen evolution reaction. The present experimental study investigates electrocatalytic activity vanadium(III) nitride, niobium(III) Nb4N5 nitrogen reaction in aqueous electrolyte solutions different pH under ambient conditions using a robust testing protocol thoroughly controlled exclude any contamination with adventitious...
3D/2D hybrid perovskite systems have been intensively investigated to improve the stability of solar cells (PSCs), whereas undesired crystallization 2D during film formation process could undermine structural materials, which causes serious hysteresis PSCs after aging. This issue is, however, rarely studied. The study for date is all under one-direction scan, and lack detailed information on aging compromises credibility results. In this work, by correlating with crystal structure, we find...
The understanding of recombination photogenerated electron/hole pairs at defect sites is a key enabler to develop bismuth vanadate (BiVO4) photoanodes scale and low cost for photoelectrochemical water splitting. Here, we report systematic investigation the impact vanadium vacancies on efficiency BiVO4 photooxidation. X-ray photoelectron photoluminescence spectroscopies reveal that surfaces nanostructured obtained by high-temperature synthesis, here used as model system, suffer from...
Solid-state sensing platforms are desirable for the development of reusable sensors to promote public health measures such as testing drinking water contamination. A bioinspired metal-organic framework (MOF)-based material has been developed by imitating metal-protein interactions in biological systems attain high sensitivity and selectivity Pb2+ through fluorescence sensing. zirconium terephthalate-type (also known NH2-UiO-66) was modified with both gold nanoparticles thiol-functionalized...
A protocol for global analysis of x-ray photoelectron spectra plasma-deposited polymer films is presented. These materials are difficult to analyse because the multitude different chemical groups present. The combination primary and secondary binding energy shifts results in relatively broad, featureless peaks. based on fitting a series obtained by monitoring surface composition plasma film over extended periods time after deposition. Information from this first round curve-fitting used form...