Materials Literature
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Novel core–shell polypyrrole/graphene oxide (PPy–GO) nanomaterials of uniform PPy nanospheres and GO have been synthesized by an in situ surface-initiated polymerization method.
In this paper, the performance of Al-air batteries based on pure Al, Al–0.1 wt%Ga, Al–0.1 wt%In and Al–0.1 wt%Sn anodes in 1 M KOH solutions was investigated by galvanostatic discharge test. The electrochemical characteristics of the anodes were investigated by means of hydrogen collection, tafel polarization, electro…
Due to their prominent properties (mechanical, stiffness, strength, thermal stability), ceramic composite materials (CMC) have been widely applied in automotive, industrial and aerospace engineering, as well as in biomedical and electronic devices. Because monolithic ceramics exhibit brittle behaviour and low electric…
Through the appropriate choice of counter electrode material, effective electrochromic polymer devices with low operating voltages, no break-in time, high optical contrast, and short switching times are produced.
A-MnO 2 has the best adsorption capacity for methyl orange among other manganese oxide materials.
Carbon nanotube (CNT) superstructures prepared at 180 °C are activated to highly porous (1479–3802 m 2 g −1 ; 0.83–2.98 cm 3 g −1 ) carbons with excellent CO 2 uptake; up to 4.8 and 8.4 mmol g −1 at 1 bar and 25 or 0 °C, respectively, and exceptional hydrogen storage; up to 7.5 and 14.9 wt% at −196 °C and 20 or 150 ba…
The in-plane and out-of-plane thermal transport properties of the graphene–MoS 2 bilayer are investigated with several influencing factors being considered.
The photocatalytic conversion of CO2 into useful chemical compounds in water without using organic sacrificial reagents is a promising method to overcome environmental and energy problems. Various synthesized layered double hydroxides (LDHs) are capable of reducing CO2 to CO in an aqueous solution under UV light irrad…
In the last decade, using polymer and mesoporous silica materials as efficient drug delivery carriers has attracted great attention. Although the development and application of them involves some inevitable barriers, such as chronic toxicities, long-term stability, understanding of the biological fate and physiochemic…
We predict a highly stable and robust atomically thin gold monolayer with a hexagonal close packed lattice stabilized by metallic bonding with contributions from strong relativistic effects and aurophilic interactions. We have shown that the framework of the Au monolayer can survive 10 ps MD annealing simulations up t…
The prepared rGO/Co//AC asymmetric supercapacitor displayed good electrochemical performance, and it achieved a maximum energy density of 40.7 W h kg −1 at a power density of 1585.0 W kg −1 .
A ratiometric fluorescent system for CaE detection with AIE dots as the FRET donors was designed. Upon enzymatic reaction, electrostatic interaction between the cationic TPE-N(+) dots and the enzymatic reaction product - the negatively charged fluorescein molecules - allows the FRET process to proceed, thus affording…
values for Au(I) and Au(III) in different buffers are HEPES (0.48 and 1.55 µM) > Trizma (0.41 and 0.57 µM) > PBS (0.14 and 0.06 µM). Bacterial growth inhibition by AuNPs is gradually reduced by centrifugation-resuspension to remove residual Au(III) ion present in the crude synthetic AuNPs. After 4 centrifugations-resu…
Application of surfactants in preparing nano cobalt oxide was effective in achieving a higher specific capacitance.
Coaxial electrospinning was used to fabricate two types of core-shell fibers: the first type with liquid resin monomer in the core and polyacrylonitrile in the shell, and the second type with liquid curing agent in the core and polyacrylonitrile in the shell. These two types of core-shell fibers were mutually entangle…
This work presents a new class of porous graphene particles with a three-dimensional microscale network and an ultrahigh specific surface area (2590 m(2) g(-1)), which is obtained by the KOH activation of a compact graphene hydrogel. As supercapacitor electrodes, such porous graphene particles show high compressibilit…
Variation of specific capacitance of undoped and Mn doped CuO/Cu(OH) 2 hybrid electrodes with corresponding SEM.
NiS2 hollow spheres are successfully prepared by a one-step template free method. Meanwhile, α-NiS hollow spheres can also be synthesized via the calcination of the pre-obtained NiS2 hollow spheres at 400 °C for 1 h in air. The electrochemical performances of the as-prepared NiS2 and α-NiS hollow sphere products are e…
Structural defects can critically influence the electrical and optical properties of monolayered molybdenum disulfide (MoS2) grown by chemical vapor deposition (CVD); thus, convenient optical methods that can visualize grain boundaries (GBs) and other structural defects are in great demand. Although photoluminescence…
Corrosion inhibition studies of mild steel in aqueous HCl by some sulphonamides have been investigated using weight loss, potentiodynamic polarization (PDP), Electrochemical Impedance Spectroscopy (EIS) and Density Functional Theory (DFT).