Materials Literature
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Two amino acids (L-glutamate and L-arginine) have been used respectively as an additive in a positive electrolyte containing 2.0 M VOSO 4 and 3.0 M H 2 SO 4 for all-vanadium redox flow batteries. The effects of each additive on the thermal stability and electrochemical properties of the positive electrolyte are invest…
The inclusions and clusters in steel samples of two similar steel grades of high-silicon non-calcium treated (HSiNC) stainless steels were investigated and compared during ladle treatment and continuous casting. Samples of liquid steel and slag were taken at different stages of the ladle treatment and casting during t…
A novel chemodosimeter for fluoride ions (F(-)) based on deprotonation of the C-H group followed by an autoxidative decyanation process has been developed for the first time, with a "naked-eye" response (OFF-ON-OFF) and ratiometric chromofluorogenic selective sensing for F(-).
Hollow bimetallic nanoparticles of silver–palladium (Ag–Pd) are generated in situ inside poly(vinyl alcohol) (PVA) thin films by a two-stage process. In the first stage, Ag–PVA is fabricated by mild thermal treatment of a spin-coated thin film, with the polymer functioning as the reducing agent for the embedded metal…
In this article, the imposition of an external electric field is proposed as an effective means to improve the hydrogen storage properties of a promising medium. To demonstrate the feasibility of this concept, the geometric stability and hydrogen capacity of Li functionalized N-doped graphene were investigated in the…
The adsorption of the tri-ethylene glycol mono-n-decyl ether (C10E3) nonionic surfactant, characterized by its self-assembled lamellar phase above the critical micelle concentration (cmc), in a wide range of concentration, onto a layered clay mineral (montmorillonite) has been studied. C10E3 exhibits a high affinity f…
Eight metal complexes, {[Co(bibim-4)2(H2O)2](NO3)2}n (1), {[Cu(bibim-4)2(NO3)](NO3)}n (2), [Co(bibim-3)(TP)]n (3), [Zn2(bibim-3)]2(OAc)4] (4), [Co(bibim-2)(NO3)2]n (5), [Zn(bibim-4)(NO3)2]n (6), [Zn(bibim-4)(OAc)2]n (7) and [Cd(bibim-4)(NO3)2(DMF)]n (8) (bibim-2 = 1,2-bis(benzimidazol-l-yl)ethane, bibim-3 = 1,3-bis(be…
Novel polydiacetylenes (PDAs) bearing alkyl and phenyl substituents have been synthesized, for the first time, by solution polymerization using acyclic enediyne metathesis. The resulting polymers are soluble in common organic solvents and show distinct physical and photophysical properties both in solution and as thin…
Topological insulators are novel quantum materials with metallic surface transport but insulating bulk behavior. Often, topological insulators are dominated by bulk contributions due to defect induced bulk carriers, making it difficult to isolate the more interesting surface transport characteristics. Here, we report…
2-Bromo-N,N′-bis(2-octyldodecyl)perylene-3,4:9,10-bis(dicarboximide) (2-bromo-PDI) can be synthesised in high yield from the parent PDI by transition-metal catalysed borylation, followed by treatment with copper(II) bromide. Stille coupling with distannyl derivatives of bithiophene, dithieno[3,2-b:2′,3′-d]thiophene, a…
A series of host molecules for blue electrophosphorescence have been designed using density functional theory by incorporating electron donors (carbazole (cbz) and diphenylamine (tph)) and electron acceptors (benzimidazole (bzi) and diphenylphosphine oxide (pho)) into the p-bis(triphenylsilyl)benzene (UGH2) moiety. Re…
A series of poly(3-hexylthiophene)-b-poly(hexadecyloxylallene) copolymers has been synthesized in one pot via sequential monomer addition by using Ni(dppp)Cl2 as a single catalyst. The copolymerization has been revealed to proceed by a controlled chain extension mechanism and the block copolymer can self-assemble into…
Pyroprocessing of used nuclear fuel inevitably produces salt waste from electrorefining and/or oxide reduction unit operations. Various process design characteristics can affect the actual mass of such waste produced. This paper examines both oxide and metal fuel treatment, estimates the amount of salt waste generated…
Using a novel ditopic N-donor ligand, 1,4-bis(3-pyridylaminomethyl)benzene (L), four metal(II)-complexes formulated as CdL(SO4)(H2O)2 (1), CdL(1,3-bdc) (1,3-H2bdc = 1,3-benzene dicarboxylic acid) (2), PbL(1,3-bdc) (3) and ZnL(1/2)(2,5-tdc) (2,5-H2tdc = 2,5-thiophene dicarboxylic acid) (4) have been hydrothermally synt…
We present a simple industrially upscaleable process for the fabrication of bifacial n-type silicon solar cells. A process simplification is achieved by simultaneous diffusion of phosphorus back surface field (BSF) and boron emitter in one single high temperature process, the so called co-diffusion. A borosilicate gla…
In the present study, safe, efficient and multifunctional 3D GO based polymeric gels were prepared by the promotion of different biopolymer agents. The obtained freeze-dried 3D gels have a well-defined and interconnected 3D porous network, which allows the adsorbate molecules to diffuse easily into the adsorbent. AFM…
The γ-ray densitometer has been designed and fabricated in our laboratory and carried out studies on temperature dependent γ-ray attenuation and thermo physical properties of NaCl, NaBr and NaF. The linear attenuation coefficients (μl) for the pellets of NaCl, NaBr and NaF as a function of temperature have been determ…
The naturally occurring mineral 11 Å tobermorite is an important calcium silicate hydrate phase often used as a model structure for the poorly ordered calcium silicate hydrate phase (C-S-H) present in hydrated cement. In this work we present a hydrothermal synthesis of highly crystalline anomalous 11 Å tobermorite by…
Two new CoP–bipy compounds have been synthesised and characterised, where P is TPP for compound 1 (TPP = meso-tetraphenylporphyrin) and TPPS for compound 2 (TPPS = meso-tetraphenylporphine-tetrasulfonic acid tetrasodium salt), and bipy is 4,4′-bipyridine. Compound 1 consists of 1D polymers packed in a network where is…
Bacterial infections are commonly found on paper towels and other paper products, leading to the potential spread of bacteria and consequent health concerns. The objective of this in vitro study was to introduce antibacterial properties to standard paper towel surfaces by coating them with selenium nanoparticles. Scan…