Polymer thermoelectric modules screen-printed on paper
Screen-printed polymer thermoelectric devices provided sufficient power to illuminate light-emitting diodes.
Materials Literature
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Coal based activated carbon nanofibers prepared by electrospinning
Porous carbon nanofibers were prepared by electrospinning using coal as the raw material. The activated carbon fiber mat is a promising candidate for the electrode of supercapacitors.
Green Approach for Fabrication and Applications of Zinc Oxide Nanoparticles
Zinc oxide nanoparticles (ZnO-NPs) are known to be one of the multifunctional inorganic compounds which are widely used in everyday applications. This study aims to fabricate ZnO-NPs using grapefruit (Citrus paradisi) peel extract with particle size ranging from 12 to 72 nm. Structural, morphological, and optical prop…
Caspase-responsive smart gadolinium-based contrast agent for magnetic resonance imaging of drug-induced apoptosis
A strategy of using controlled self-assembly of caspase-3/7-sensitive Gd-based MR contrast agent is demonstrated for non-invasive monitoring of drug-induced tumor cell death in mice.
Remarkable chemical adsorption of manganese-doped titanate for direct carbon dioxide electrolysis
Remarkable chemical adsorption of CO 2 has been achieved in titanate with significant concentration of oxygen vacancies towards the efficient direct CO 2 electrolysis in solid oxide electrolysers.
Recent progress in the preparation of polyaniline nanostructures and their applications in anticorrosive coatings
Research on composites/blends containing polyaniline (PANI) has attracted numerous scientists and engineers due to their excellent adhesion and anticorrosive properties. Nano-structured PANI composites and matrix resins play a key role in physical and anticorrosive performance. This paper reviews the synthesis, growth…
Morphological effects of the nanostructured ceria support on the activity and stability of CuO/CeO 2 catalysts for the water-gas shift reaction
Three CuO/CeO2 catalyst with different morphologies of ceria, namely nanospheres, nanorods and nanocubes, were synthesized and used to catalyze the water-gas shift (WGS) reaction. The reactivity tests showed that the Cu supported on the ceria nanospheres exhibited both the highest activity and superior stability when…
Stochastic surface walking method for crystal structure and phase transition pathway prediction
The determination of crystal structures and the solid-to-solid phase transition mechanisms are two important and related subjects in material science. Here we develop an unbiased general-purpose potential energy surface (PES) searching method, namely, SSW-crystal method, for prediction of both the crystal structure an…
Towards chromate-free corrosion inhibitors: structure–property models for organic alternatives
Progressive restrictions on the use of toxic chromate-based corrosion inhibitors present serious technical challenges.
Red and near infrared persistent luminescence nano-probes for bioimaging and targeting applications
Schematic representation of the different processes in persistent luminescence: charging (1), stimulation (2), discharging (3) (PET-persistent energy transfer, QT-quantum tunneling).
Co-doped NiO nanoflake array films with enhanced electrochromic properties
Co-doped NiO nanoflake array films, which exhibit improved electrochromic performance with antireflective ability, are fabricated by chemical bath deposition.
A graphene-based transparent electrode for use in flexible optoelectronic devices
Graphene, a monolayer of carbon atoms arranged in a honeycomb structure, is a unique material with outstanding properties that may be useful in applications ranging from electronic devices to energy storage devices.
Powder XRD Technique and its Applications in Science and Technology
The review presents a brief overview of advanced X-Ray Powder Diffraction Technique. It is an indispensable method of material investigation, characterization and quality control. It has many salient features and advantages that promote its wide range use. It has numerous applications that cater to industrial and acad…
A near ambient pressure XPS study of Au oxidation
The surface of a gold foil under ozone oxidation was examined by near ambient pressure X-ray photoelectron spectroscopy (NAP-XPS) and scanning electron microscopy (SEM). Our in situ observations show that a surface oxide phase is formed during the exposure to ozone; however this phase decomposes under vacuum and even…
Characterization and Comparison of Mesoporous Silica Particles for Optimized Drug Delivery
In this study we have investigated the suitability of a number of different mesoporous silica nanoparticle structures for carrying a drug cargo. We have fully characterized the nanoparticles in terms of their physical parameters; size, surface area, internal pore size and structure. These data are all required if we a…
Photonic Structures in Biology: A Possible Blueprint for Nanotechnology
Nature has had millions of years to optimize photonic crystals - an endeavour mankind only really began in the 1980s. Often, we attempt to mimic and expand upon nature’s designs in creating photonic structures that meet our technology-driven needs. While this strategy can be fruitful in fabricating novel architectures…
Mesoporous size controllable carbon microspheres and their electrochemical performances for supercapacitor electrodes
Size controllable SiO 2 nanoparticles synthesized by adjusting the hydrolysis–condensation time and the concentration of tetraethyl orthosilicate (TEOS) in ethanol–water solution in the presence of ammonia as a catalyst were encapsulated within resorcinol–formaldehyde polymer microspheres.
Tunable band gap and doping type in silicene by surface adsorption: towards tunneling transistors
By using first-principles calculations, we predict that a sizable band gap can be opened at the Dirac point of silicene without degrading silicene's electronic properties with n-type doping by Cu, Ag, and Au adsorption, p-type doping by Ir adsorption, and neutral doping by Pt adsorption. A silicene p-i-n tunneling fie…
Role of Li + ion in the luminescence enhancement of lanthanide ions: favorable modifications in host matrices
The effect of alkali ions on the modification of various host matrices and their effects on the luminescence properties of lanthanide ions have been demonstrated in this comprehensive review.
An ice-templated, pH-tunable self-assembly route to hierarchically porous graphene nanoscroll networks
Porous graphene nanostructures are of great interest for applications in catalysis and energy storage. However, the fabrication of three-dimensional (3D) macroporous graphene nanostructures with controlled morphology, porosity and surface area still presents significant challenges. Here we introduce an ice-templated s…