Materials Literature
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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.
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…
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.
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…
A novel and efficient fluorescence sensing platform based on biocompatible graphene quantum dots and graphene oxide was established. It showed high selectivity and sensitivity for DNA detection.
Commercial epoxy resin loaded with phosphorus flame retardant led to composites exhibiting remarkable improved flame retardancy and thermal stability.
Layered-structure-type niobium oxides were synthesized by the hydrothermal method by using ammonium niobium oxalate as a precursor.
Energy storage devices such as electrochemical supercapacitors, with high power and energy densities are required to address the colossal energy requirements against the backdrop of global warming and the looming energy crisis. Nanocarbon, particularly two-dimensional graphene and graphene-based conducting polymer com…
A unique and cost effective hydrothermal procedure has been carried out for the synthesis of hexahedron shaped α MnMoO4 and its hybrid composite with graphene using three different weight percentages of graphene. Characterization techniques, such as XRD, Raman and FTIR analysis, established the phase and formation of…
Lithium ion hybrid capacitors (Li-HECs) have attracted significant attention for use in next generation advanced energy storage technologies to satisfy the demand of both high power density as well as energy density. Herein we demonstrate the use of very high surface area 3D carbon cuboids synthesized from a metal-org…
We report a facile and scalable method for the preparation of a carbon-based porous material through steam activation of a graphene aerogel (GA). The morphology and porous attributes of the steam activated graphene aerogel (SAGA) have been well investigated by scanning electron microscopy, transmission electron micros…
Co 3 O 4 supported on TiO 2 (anatase (A), rutile (R) and P25 (Degussa)) catalysts were prepared by a deposition–precipitation method. Co 3 O 4 /TiO 2 (A) shows excellent activity for CO oxidation with 100% conversion at −43 °C.
Lignocellulosic fibers have become the focus of intense interest in recent years. They have attracted the attention of scientists and technologies worldwide because of their tremen- dous advantages and now it is possible to isolate cellulose nanofibrils and nanowhiskers from various lignocellulosic wastes. Studies in…
The ultrahigh converse piezoelectric coefficient d *33 = 1444 pm V −1 and strain 0.070%, which are the highest values reported so far in lead-free ceramics, were achieved at the component of multiphase coexistence, suggesting that the BaTiO 3 –CaTiO 3 –BaSnO 3 system is a promising lead-free alternative material for e…
Shown here is the intrinsic carrier mobility (ICM) of germanene, a group-IV graphene-like two-dimensional buckled nanosheet.
Here, we have reviewed brief ideas of fabrication of superhydrophobic surfaces and their important applications, which were discussed in the concluded national/international workshops and conferences organized by different industries and laboratories of ISRO (Indian Space Research Organization), DRDO (Defence Research…
The demand for hydrogen peroxide is booming since it is considered as one of the most environmentally friendly and versatile chemical oxidants available and has a wide range of applications. The annual market, close to 3000 kt per year being produced via the auto-oxidation process (with 2-ethyl anthraquinone (traditio…
Hierarchical mesoporous spinel NiCo₂O₄ was synthesized by a facile hydrothermal method assisted by polyvinylpyrrolidone (PVP) and a post annealing treatment. The synthesized hierarchical mesoporous NiCo₂O₄ presents a hierarchical mesoporous structure with diameters of 5.0 and 25 nm, respectively. Compared to conventio…
This review summarizes the recent development of one-dimensional nanostructures constructed on graphene as electrodes have unique physico-chemical properties to synergistically offer highly-efficient energy conversion and storage.
A class of Yb3+/Er3+ ion co-doped CaLa2ZnO5 (CLZ) novel up-conversion (UC) phosphors were synthesized by a sol–gel method. The crystal structure and the phase composition of the samples were characterized by X-ray diffraction (XRD). Under 980 nm excitation, UC spectra are composed of three prominent emission bands cen…