Materials Literature
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The direct use of cellulose to fabricate materials such as common plastics as synthetic polymers has hardly been investigated. In the present paper, bioplastics of a new class are constructed, for the first time, by hot-pressing cellulose hydrogel, and are different from common plastics in terms of their processabilit…
A red-emitting phosphor, Eu2+-activated Ca4(PO4)2O phosphor was synthesized by conventional solid-state reaction. X-ray powder diffraction confirmed the phase formation. The band gap of Ca4(PO4)2O was estimated to be about 4.75 eV from the diffuse reflection spectrum. The excitation and emission spectra, and the conce…
A two-dimensional pyramidal shape metamaterial-based absorber composed of multiple alternating metallic and dielectric thin films is proposed. This pyramid metamaterial absorber is a broadband, wide-angle, omni-directional and polarization-insensitive light absorbing device. The absorption performance of the absorber…
A facile hydrothermal method was used to synthesize luminescent carbon dots from single-walled carbon nanotubes (SWNTs). Then 4,7,10-trioxa-1,13-tridecanediamine (TTDDA) was grafted onto the carbon dots to increase their water solubility and luminescent properties. The as-prepared carbon dots were characterized by UV-…
Highly porous carbons with different textural properties were obtained in only one step by means of simple heat-treatment of organic salts of Na, K or Ca. The pore characteristics were tuned from a microporous to a mesoporous carbon by simply choosing the appropriate organic salt.
Colloidal Mn3O4 nanocrystals supported by graphene oxide (GO) and reduced graphene oxide (RGO) (Mn3O4/GO and Mn3O4/RGO nanocomposites) have been fabricated through a facile synthetic route with ultrasonic-assisted in ethanol amine (ETA)-water system. It is proposed that in the formation mechanism of these intriguing n…
A series of iso-structural green-emitting Na3(Y,Sc)Si3O9:Eu2+ phosphors with different Y/Sc ratios have been synthesized by a solid-state reaction. All of the phosphors exhibited strong broad absorption bands in the near ultraviolet (n-UV) range, and gave bright green emission upon 365 nm excitation light. As for the…
A highly stable p-type cuprous oxide (Cu2O) photoelectrode has been fabricated by direct anodization of the Cu foil, followed by a thermal treatment to introduce a protective layer of copper oxide (CuO) nanowires penetrating the surface of the Cu2O layer. The anodized Cu2O served as the seeding sites for the growth of…
The sensitivity of glucose sensors based on organic electrochemical transistors (OECT) is increased by co-modifying graphene or reduced graphene oxide (rGO) and enzyme (glucose oxidase) on the gate electrodes for the first time. The optimized device shows linear responses to glucose in a broad concentration region fro…
In this report, a novel approach for exfoliation of Co–Al layered double hydroxides (LDHs) in aqueous solution of L-asparagine was proposed. L-Asparagine is a water-soluble amino acid whose carbonyl groups would have a strong interaction with the LDH host layers and the amino groups might weaken the interlayer interac…
Part 1 Alloying and inhibition: Corrosion behaviour and prevention strategies for magnesium (Mg) alloys Corrosion performance of magnesium (Mg) alloys containing rare-earth elements Corrosion inhibition of magnesium (Mg) alloys. Part 2 Surface treatment and conversion: Surface cleaning and pre-conditioning surface tre…
Two-dimensional nanosheet crystals have potential applications in nano-electronic devices. Prompted by the recently observed ferromagnetism in pristine VX2 (X = S and Se) monolayers by first-principle calculations, we provide the experimental evidence for room temperature ferromagnetism in ultrathin VS2 nanosheets by…
Polymers that can easily be repaired after being damaged are attractive as this characteristic can improve the reliability, functionality, and lifetime of many products. In the last decade, researchers have thus developed new approaches to create stimuli-responsive polymer systems, which have the ability to autonomous…
A series of calcium hydroxyapatite (HAP) catalysts were synthesised with a Ca/P ratio ranging from 1.3 to 1.89 by a co-precipitation method that involved changing the pH of the calcium and phosphorous precursors. The physicochemical characterization by XRD, SEM, BET surface area and CO2 and NH3-TPD techniques confirme…
The self-assembly of block copolymers (BCPs) is emerging as a promising route for numerous applications to generate templates and scaffolds for the fabrication of nanostructured materials. Here, we present an overview of recent progress in the directed self-assembly of BCPs with a focus on guiding the assemblies of ex…
Glycidyl esters of epoxidized fatty acids derived from soybean oil (EGS) and linseed oil (EGL) have been synthesized to have higher oxirane content, more reactivity and lower viscosity than epoxidized soybean oil (ESO) or epoxidized linseed oil (ELO). The EGS and ESO, for comparison, were used neat and in blends with…
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Wide bandgap semiconductor ZnO, GaN and InN nanowires have displayed the ability to detect many types of gases and biological and chemical species of interest. In this review, we give some recent examples of using these nanowires for applications in pH sensing, glucose detection and hydrogen detection at ppm levels. T…
We demonstrate the synthesis of silver nanoparticles by a potentially benign species of bryophilous Rhizoctonia in two different media. The first medium supports fungal growth and the up‐regulation of nitrate reductase, while the second medium supports fungal growth and the repression of nitrate reductase. For both me…
This review reports some recent advances on the use of dendrimers as a versatile platform for targeted drug delivery applications. The unique 3-dimensional architectures and macromolecular characteristics afford dendrimers with ideal drug delivery ability through encapsulating drugs in their interior or covalently con…