Articles tagged with Photoelectrochemistry
Researchers propose atomically dispersed U−O−Ti bimetallic active sites for high-efficiency PEC OER catalysis, achieving a 3.82-fold enhancement compared to pristine TiO2. The material exhibits excellent structural stability and operational safety.
A novel nickel-based Pickering emulsion catalyst enables gram-scale synthesis of high-purity benzaldehyde with co-produced hydrogen, offering a sustainable alternative to traditional fine chemical synthesis. The synergistic effect of photon-heteroatom jointly promoted redox cycling accelerates the dehydrogenation reaction.
Researchers developed a new 2D membrane reactor that significantly improves the synthesis of imines, critical precursors for pharmaceuticals and advanced materials. The system achieves high conversion rates and selectivity in under 7 seconds at room temperature.
Researchers develop cascaded van der Waals heterostructures to simulate neural signal transmission and neuromorphic visual information processing. The novel material platform achieves efficient photoelectric-ion coupling, enabling synaptic plasticity and neural signal processing capabilities.
Researchers created a MoS2-GaN heterostructure on tungsten foil, showing a photocurrent density of 172 µA/cm², nearly 2.5 times the performance of bare GaN nanorods. The Type II band alignment facilitates efficient charge separation and increased active sites.
A new study provides guidelines on creating photoreactive molecules sensitive to mechanical stimuli using flexible linkers. The findings may open possibilities for highly efficient energy conversion devices and advanced medical therapies.
A team of scientists observed the earliest steps of ultrafast charge transfer in a complex dye molecule, with high-frequency vibrations playing a central role. The experiments showed that these vibrations initiate charge transport, while processes in the surrounding solvent begin only at a later stage.
Researchers at Linköping University developed a new combined material to produce 'green' hydrogen more effectively. The material uses sunlight to split water into hydrogen, promising a renewable energy source for heavy transport.
Researchers at Politecnico di Milano have developed a system that allows bacteria to sense light and convert it into electrical signals without genetic modification. This method has the potential to develop next-generation antimicrobial platforms and biocompatible 'bacterial robots' for targeted drug delivery.
The study successfully manipulated the formation of left-handed or right-handed helical aggregates using precise light control, exhibiting promising insights into novel functional materials. The researchers found that residual aggregates acted as nucleation sites forming oppositely directed helical assemblies under certain conditions.
The study introduces a game-changing concept in dual-mode display design by uniting luminescence and coloration within a single device. The device leverages smectite clay to stabilize europium(III) complexes for vibrant luminescence and heptyl viologen derivatives for striking color changes.
Researchers at Xi'an Jiaotong-Liverpool University have developed a sensitive and robust pH sensor that can detect pH variation in just a few microliters of samples. The new sensor uses novel materials and methods to overcome the current method's limitations, which are not sensitive enough or fragile for commercial-scale use.
A team of researchers from China and the UK has developed new ways to optimise the production of solar fuels by creating novel photocatalysts. These photocatalysts, such as titanium dioxide with boron nitride, can absorb more wavelengths of light and produce more hydrogen compared to traditional methods.
Researchers at City University of Hong Kong have developed a lead-free perovskite photocatalyst for highly efficient solar energy-to-hydrogen conversion. The study uncovers the interfacial dynamics between halide perovskite molecules and electrolytes, enabling better photoelectrochemical hydrogen generation.
Researchers from City University of Hong Kong and Australia developed a new method to enhance charge mobility in metal oxide catalysts, leading to improved water splitting efficiency. The method involves phosphorus doping, which reduces energy losses and increases charge separation efficiency.
Researchers have developed a metal-free photon upconversion system that transforms readily available visible light into UVB photons, enabling sustainable photochemical processes. The breakthrough enables efficient generation of high-energy UV photons without relying on mercury lamps or other inefficient alternatives.
Researchers introduced a new method to analyze dynamic processes in photoelectrocatalytic reactions using carbon dots. The technique, TPV technology, provides detailed information on charge transfer and reaction kinetics, enabling the discovery of new catalytic properties.
Scientists fabricate 1D and 2D boron sulfide (BS) nanosheets with unique electronic properties that can be controlled by changing the number of layers. The bandgap energy decreases as more layers are added, making BS a potential n-type semiconductor material.