Steve Dunn
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View article: Novel Bioconjugate Materials: Synthesis, Characterization and Medical Applications
Novel Bioconjugate Materials: Synthesis, Characterization and Medical Applications Open
Bioconjugation is a pillar of modern medicine, enabling the likes of targeted therapeutics and sensitive diagnostics by exploiting synergies between biomolecules and functional materials. Conjugation techniques have expanded to match an ev…
View article: Highly Efficient Sono‐Contact‐Electrocatalysis Enabled by Fine‐Scale and Ultrasonically Generated Polytetrafluoroethylene Particles
Highly Efficient Sono‐Contact‐Electrocatalysis Enabled by Fine‐Scale and Ultrasonically Generated Polytetrafluoroethylene Particles Open
This paper employs a range of carefully controlled experiments to develop a detailed understanding of the role of the structure, crystallinity, and chemical composition of polytetrafluoroethylene (PTFE) in driving catalytic reactions durin…
View article: Breaking the Capacity Limit for WO <sub>3</sub> Anode‐Based Li‐Ion Batteries Using Photo‐Assisted Charging
Breaking the Capacity Limit for WO <sub>3</sub> Anode‐Based Li‐Ion Batteries Using Photo‐Assisted Charging Open
The capacity of a metal ion battery is limited by fundamental parameters. Various strategies have been employed to maximise energy storage, including manufacturing control and investigating the components within the battery system. Recent …
View article: A multi-objective platform for autonomous targeting and optimization of colloidal quantum dots
A multi-objective platform for autonomous targeting and optimization of colloidal quantum dots Open
The optimization of colloidal quantum dot (CQD) materials, synthesis routes and processing methods are complex challenges that are ripe for automation and artificial intelligence (AI) to have a great impact. These optimization challenges a…
View article: Flow synthesis and multidimensional parameter screening enables exploration and optimization of copper oxide nanoparticle synthesis
Flow synthesis and multidimensional parameter screening enables exploration and optimization of copper oxide nanoparticle synthesis Open
Copper-based nanoparticles (NPs) are highly valued for their wide-ranging applications, with particular significance in CO 2 reduction. This paper explores a multiparametric approach to CuO synthesis using a flow reactor.
View article: Enhanced Piezocatalytic Water Splitting by Platinum‐Decorated Barium Titanate
Enhanced Piezocatalytic Water Splitting by Platinum‐Decorated Barium Titanate Open
Piezocatalysis has emerged as a promising field of research that uses mechanical energy to drive a chemical change. There is growing evidence that piezocatalysts can perform challenging chemical conversions from organic transformations to …
View article: Controlling the optoelectronic properties of nitrogen-doped carbon quantum dots using biomass-derived precursors in a continuous flow system
Controlling the optoelectronic properties of nitrogen-doped carbon quantum dots using biomass-derived precursors in a continuous flow system Open
The synthesis of carbon quantum dots (CQDs) from high molecular weight biomass-derived precursors poses a significant challenge due to the complex molecular structures and low conversion efficiency. This work demonstrates a green, rapid, a…
View article: Understanding the Effect of Saturated Gases on Catalytic Performance of Graphitic Carbon Nitride (g‐C<sub>3</sub>N<sub>4</sub>) for H<sub>2</sub>O<sub>2</sub> Generation and Dye Degradation in the Presence of Ultrasound
Understanding the Effect of Saturated Gases on Catalytic Performance of Graphitic Carbon Nitride (g‐C<sub>3</sub>N<sub>4</sub>) for H<sub>2</sub>O<sub>2</sub> Generation and Dye Degradation in the Presence of Ultrasound Open
In this article, the effect of saturated gases on H 2 O 2 generation and dye degradation is examined using graphitic carbon nitride (g‐C 3 N 4 ) as a piezoelectric catalyst. A detailed catalytic evaluation is carried out using a double‐bat…
View article: Molecularly rigid porous polyamine host enhances barium titanate catalysed H<sub>2</sub>O<sub>2</sub> generation
Molecularly rigid porous polyamine host enhances barium titanate catalysed H<sub>2</sub>O<sub>2</sub> generation Open
Barium titanate catalyst performance in hydrogen peroxide production is improved and the catalyst is re-usable, when embedded into the polymer of intrinsic microporosity PIM-EA-TB.
View article: High Thermoelectric Performance Related to PVDF Ferroelectric Domains in P‐Type Flexible PVDF‐Bi<sub>0.5</sub>Sb<sub>1.5</sub>Te<sub>3</sub> Composite Film
High Thermoelectric Performance Related to PVDF Ferroelectric Domains in P‐Type Flexible PVDF‐Bi<sub>0.5</sub>Sb<sub>1.5</sub>Te<sub>3</sub> Composite Film Open
There is increasing demand to power Internet of Things devices using ambient energy sources. Flexible, low‐temperature, organic/inorganic thermoelectric devices are a breakthrough next‐generation approach to meet this challenge. However, t…
View article: Impact of stirring regime on piezocatalytic dye degradation using BaTiO3 nanoparticles
Impact of stirring regime on piezocatalytic dye degradation using BaTiO3 nanoparticles Open
There is increasing demand to use readily accessible waste energy to drive environmentally friendly processes. Piezocatalysis, the process of converting mechanical energy such as vibration into a chemical process, is a breakthrough next ge…
View article: Fundamentals, advances and perspectives of piezocatalysis: A marriage of solid-state physics and catalytic chemistry
Fundamentals, advances and perspectives of piezocatalysis: A marriage of solid-state physics and catalytic chemistry Open
Piezocatalysis, an evolving catalytic technology built on the piezoelectric properties of catalysts, breaks down the barrier between mechanical energy and chemical energy. The potential difference that arises from the mechanical deformatio…
View article: 3D printed SrNbO<sub>2</sub>N photocatalyst for degradation of organic pollutants in water
3D printed SrNbO<sub>2</sub>N photocatalyst for degradation of organic pollutants in water Open
3D printed SrNbO 2 N photocatalyst, its reconstructed XRD-CT image, band structure and photo-oxidation process.
View article: Origin of the switchable photocurrent direction in BiFeO<sub>3</sub> thin films
Origin of the switchable photocurrent direction in BiFeO<sub>3</sub> thin films Open
The switchable photocurrent in BiFeO 3 photoelectrode arises from its specific bandgap structure, which allows for selective PEC oxidation or reduction, arousing particular interest for its future application in solar energy conversion.
View article: Outstanding visible light photocatalysis using nano-TiO<sub>2</sub> hybrids with nitrogen-doped carbon quantum dots and/or reduced graphene oxide
Outstanding visible light photocatalysis using nano-TiO<sub>2</sub> hybrids with nitrogen-doped carbon quantum dots and/or reduced graphene oxide Open
A rapid synthesis of TiO 2 hybrids with significant enhancement in photocatalytic activity is reported. Using state-of-the-art techniques including sophisticated DFT calculations, we report insight into the charge transfer and modulation o…
View article: Enhancement of Thermoelectric Performance in Bi<sub>0.5</sub>Sb<sub>1.5</sub>Te<sub>3</sub> Particulate Composites Including Ferroelectric BaTiO<sub>3</sub> Nanodots
Enhancement of Thermoelectric Performance in Bi<sub>0.5</sub>Sb<sub>1.5</sub>Te<sub>3</sub> Particulate Composites Including Ferroelectric BaTiO<sub>3</sub> Nanodots Open
An increasing number of studies have reported producing composite structures by combining thermoelectric and functional materials. However, combining energy filtering and ferroelectric polarization to enhance the dimensionless figure of me…
View article: Chemical Solution Deposition of Single‐Phase BiFeO<sub>3</sub> Thin Films on Transparent Substrates
Chemical Solution Deposition of Single‐Phase BiFeO<sub>3</sub> Thin Films on Transparent Substrates Open
The production of high‐quality BiFeO 3 thin films on cost‐effective transparent electrodes for visible light harvesting applications and devices remains a challenge. Here, the production of single‐phase nanostructured BiFeO 3 thin films vi…
View article: High Efficiency Water Splitting using Ultrasound Coupled to a BaTiO<sub>3</sub> Nanofluid
High Efficiency Water Splitting using Ultrasound Coupled to a BaTiO<sub>3</sub> Nanofluid Open
To date, a number of studies have reported the use of vibrations coupled to ferroelectric materials for water splitting. However, producing a stable particle suspension for high efficiency and long‐term stability remains a challenge. Here,…
View article: Facile one-step synthesis and enhanced photocatalytic activity of a WC/ferroelectric nanocomposite
Facile one-step synthesis and enhanced photocatalytic activity of a WC/ferroelectric nanocomposite Open
A WC/RbBi 2 Ti 2 NbO 10 nanocomposite exhibits excellent photocatalytic behaviour, which is attributed to its ferroelectric nature and the loaded WC as a cocatalyst.
View article: Ammonia Gas Sensor Response of a Vertical Zinc Oxide Nanorod-Gold Junction Diode at Room Temperature
Ammonia Gas Sensor Response of a Vertical Zinc Oxide Nanorod-Gold Junction Diode at Room Temperature Open
Conventional metal oxide semiconductor (MOS) gas sensors have been investigated for decades to protect our life and property. However, the traditional devices can hardly fulfill the requirements of our fast developing mobile society, becau…
View article: Domain Wall Free Polar Structure Enhanced Photodegradation Activity in Nanoscale Ferroelectric Ba<i><sub>x</sub></i>Sr<sub>1‐</sub><i><sub>x</sub></i>TiO<sub>3</sub>
Domain Wall Free Polar Structure Enhanced Photodegradation Activity in Nanoscale Ferroelectric Ba<i><sub>x</sub></i>Sr<sub>1‐</sub><i><sub>x</sub></i>TiO<sub>3</sub> Open
Ferroelectric materials exhibit anomalous behavior due to the presence of domains and domain walls which are related to the spontaneous polarization inherent in the crystal structure. Control of ferroelectric domains and domain walls has b…
View article: Continuous hydrothermal flow synthesis of blue-luminescent, excitation-independent nitrogen-doped carbon quantum dots as nanosensors
Continuous hydrothermal flow synthesis of blue-luminescent, excitation-independent nitrogen-doped carbon quantum dots as nanosensors Open
We present the first report of continuous hydrothermal flow synthesis of N-doped carbon quantum dots, with excitation-independent optical properties. They display high selectivity and sensitivity for Cr(vi), and are thus suitable for envir…
View article: Role of Temperature and Growth Period in the Synthesis of Hydrothermally Grown TiO<sub>2</sub> Nanorods
Role of Temperature and Growth Period in the Synthesis of Hydrothermally Grown TiO<sub>2</sub> Nanorods Open
Highly uniformed, surfactant free and vertically oriented titanium-di-oxide (TiO 2 ) nanorods were grown on pre-treated fluorine doped tin oxide (FTO) using hydrothermal method through titanium tetra butoxide (Ti(OBu) 4 ) as titanium sourc…
View article: Pyro-electrolytic water splitting for hydrogen generation
Pyro-electrolytic water splitting for hydrogen generation Open
© 2019 Elsevier Ltd Water splitting by thermal cycling of a pyroelectric element that acts as an external charge source offers an alternative method to produce hydrogen from transient low-grade waste heat or natural temperature changes. In…
View article: Bi<sub>2</sub>Fe<sub>4</sub>O<sub>9</sub> thin films as novel visible-light-active photoanodes for solar water splitting
Bi<sub>2</sub>Fe<sub>4</sub>O<sub>9</sub> thin films as novel visible-light-active photoanodes for solar water splitting Open
Photoelectrocatalytic water oxidation is reported for Bi2Fe4O9 for the first time with a faradaic efficiency of 82%.