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UoH in collaboration with TIFR -Hyderabad develop electrode materials which have the potential in fast charge-discharge energy storage applications for sodium-ion batteries (The Graphene Council)
The battery industry is currently experiencing a significant amount of innovation. The pursuit of enhanced efficiency and performance in technologies that can provide additional value to the market is a continuous area of research. In recent years, interest in sodium-ion batteries has been high, primarily driven by their significant economic advantages.
Discover RED: Good Vibrations (The Graphene Council)
U of A physics professor Paul Thibado has been studying graphene since its discovery in 2004. A single layer of carbon atoms arranged in a honeycomb lattice structure, graphene exists in a state of constant motion. Thibado's breakthrough discovery was that the energy it produces from this motion could be harvested and stored in tiny batteries.
Nanoscale rendering of graphene and chromium oxide (The Graphene Council)
A nanoscale rendering of two materials, graphene (gray) and chromium oxide (blue), that collectively were used by a team of researchers to fabricate the first magneto-electric transistor. The red and green arrows represent spin, a magnetism-related property of electrons that can be read as a one or zero.
Riddle of Kondo effect solved in ultimately thin wires (The Graphene Council)
Writing in Nature Physics, a research team has for the first time directly measured the so-called Kondo effect, which governs the behaviour of magnetic atoms surrounded by a sea of electrons: New observations with a scanning tunnelling microscope reveal the effect in one-dimensional wires floating on graphene.
Synergistic multi-level graphene-MOF hybrid membrane advances water purification (nanoWerk)
The growing global water crisis poses a severe threat to human health worldwide. Now, researchers from Wuhan University and Purdue University have developed a novel hybrid membrane that integrates graphene and metal organic frameworks (MOFs) to overcome these challenges
Pairing Graphene with Quantum Technologies (AZoNano)
In the realm of nanoscience and quantum technologies, the search for new materials with superior physiochemical, electrical, and thermal properties is ongoing. One such material which has received intense attention since its discovery in the early 2000s is graphene.
Building A Sustainable Future for Concrete with Concretene (AZoNano)
Unless it is augmented with graphene, watching concrete dry might not be the most thrilling activity. Graphene was initially isolated in 2004 by scientists at The University of Manchester and has become iconic in materials research, with applications ranging from energy storage and water filtering to transportation and construction, including concrete.
Ultrafast synthesis of coal-based graphene (European Coatings)
A recently published paper describes the ultrafast synthesis of coal-based graphene and the anticorrosion properties of epoxy/graphene nanocomposite coatings. Graphene has become a valuable and useful nanomaterial because it has exceptionally high tensile strength
Creating optical logic gates from graphene nanoribbons (PHYS.ORG)
Research into artificial intelligence (AI) network computing has made significant progress in recent years but has so far been held back by the limitations of logic gates in conventional computer chips. The European Physical Journal D, Guilin University of Electronic Technology, China, introduced a graphene-based optical logic gate, which addresses many of these challenges.
Ultrasonic neural regulation over two-dimensional graphene analog biomaterials: Enhanced pc12 cell differentiation under diverse ultrasond excitation (Ultrasonics Sonochemistry)
Two-dimensional (2D) biomaterials, with unique planar topology and quantum effect, have been widely recognized as a versatile nanoplatform for bioimaging, drug delivery and tissue engineering. However, during the complex application of nerve repair, in which inflammatory microenvironment control is imperative, the gentle manipulation
High-Performance Graphene Biocomposite Enabled by Fe3+ Coordination for Thermal Management (ACS Applied Materials & Interfaces)
Emerging biocomposites with excellent heat dissipation capabilities and inherent sustainability are urgently needed to address the cooling issues of modern electronics and growing environmental concerns. However, the moisture stability, mechanical performance, thermal conductivity,
Pseudomonas aeruginosa imprinted polydopamine@graphene-coated pencil graphite electrode for selective bacterial detection(Colloids and Surfaces A: Physicochemical and Engineering Aspects)
In this study, molecularly imprinted polydopamine films were prepared on graphene oxide-modified graphite electrodes by chemical oxidation of dopamine in the presence of template molecules of P. aeruginosa. The electrodes were electrochemically characterized by cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS),
Novel top-down kg-scale processing of 2D multi-layered graphene powder and its application as excellent lubricating additives in commercial engine oils (Diamond and Related Materials)
Multi-layered graphene (MLG) powder is prepared on a kg-scale using a novel fluid-assisted processing of exfoliated graphite. Each MLG particle is a few μm laterally and is constituted by a few graphene layers. When MLG-dispersed commercial engine oil was used as a lubricant, the tribological properties
Enhanced Thermal Conductivity of PEEK based composites fabricated by its Fibers Grafted Graphene oxide (Colloids and Surfaces A: Physicochemical and Engineering Aspects)
Poly (ether ether ketone) (PEEK), a thermoplastic, is known for its outstanding comprehensive performance. However, the low thermal conductivity (TC) remains a great challenge, which significantly restricts the applications of PEEK in related fields.
Fluorinated Laser-induced Graphene towards High Performance Zn-ion Hybrid Supercapacitors (Journal of Alloys and Compounds)
Laser induced graphene (LIG) based micro-supercapacitors (LIG-MSCs) have sprung up rapidly in recent years, driven by the huge demand for flexible energy storage devices. However, the low energy density arising from the limited specific surface area and few active sites of LIG-MSCs greatly limits their practical application.
Solvent-Free Synthesis of Covalent Organic Framework/Graphene Nanohybrids: High-Performance Faradaic Cathodes for Supercapacitors and Hybrid Capacitive Deionization (Small)
Covalent organic frameworks (COFs) with flexible periodic skeletons and ordered nanoporous structures have attracted much attention as potential candidate electrode materials for green energy storage and efficient seawater desalination. Further improving the intrinsic electronic conductivity
Improved pyroelectric performances of functionally graded graphene nanoplatelet reinforced polyvinylidene fluoride composites: Experiment and modelling (Composites Part A: Applied Science and Manufacturing)
Polyvinylidene fluoride (PVDF), as a pyroelectric polymer, has great potential applications in electronic devices and sensors. However, the low pyroelectric properties of pure PVDF limit its application. In this work, functionally graded graphene nanoplatelet (FG-GNP) reinforced PVDF composite films are prepared
Fluorescent dual-mode sensor for the determination of graphene oxide and catechin in environmental or food field. (RSC Advances)
The novel fluorescent sensor is proposed in this work based on the competitive interactions between the known bioactive compounds, riboflavin and catechin, which act as guests, and graphene oxide (GO) material that acts as host. Specifically, this proposal is based on an indicator displacement assay which allows the detection of GO and catechin
Utilizing Atmospheric Carbon Dioxide and Sunlight in Graphene Quantum Dot-Based Nano-Biohybrid Organisms for Making Carbon-Negative and Carbon-Neutral Products. (ACS Applied Materials & Interfaces)
Increasing emissions of greenhouse gases compounded with legacy emissions in the earth's atmosphere poses an existential threat to human survival. One potential solution is creating carbon-negative and carbon-neutral materials, specifically for commodities used heavily throughout the globe, using a low-cost, scalable,
Modelling of partial basal dislocation dipoles in bilayer graphene and graphite (Carbon)
Basal dislocations are the most common type of dislocation in bilayer graphene and graphite, and are critical to understanding the physics of graphite because they play a crucial role in the plastic deformation of damaged material. In this study, we utilise molecular dynamics calculations to investigate the properties of basal dislocations in bilayer graphene and graphite.
Electronegative graphene film based interface-chemistry regulation for stable lithium metal batteries (Chemical Engineering Journal)
To achieve practical application of lithium (Li) metal anodes for high-energy density batteries, the primary challenges of the inhomogeneous solid electrolyte interphase (SEI) and irregular Li electrochemical stripping/depositing behaviors should been surmounted. So as to homogenize Li+ distribution and stabilize the SEI layer, herein
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