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The uncontrolled growth of nepheline (NaAlSiO4) crystals during the manufacturing of sodium aluminosilicate glasses via the fusion draw or float techniques and during the vitrification of some of the sodium- and alumina-rich nuclear waste glasses is a well-known problem. The addition of B2O3 to suppress the crystallization in these glasses is well documented in the literature. Another advantage of B2O3 is that it lowers the viscosity of the glass melt and, if incorporated in its trigonal coordination state, will improve the intrinsic damage resistance of the final glass product. Hence, B2O3 has been an integral component of glass compositions for advanced industrial applications and for nuclear waste vitrification. However, one major disadvantage of adding B2O3 to alkali aluminosilicate based glasses is its adverse impact on their chemical durability due to the rapid hydrolysis of B[3,4]-O-B[3,4] bonds in comparison to (Si, Al)-O-(Si, Al) bonds. Therefore, designing a boron-containing alkali aluminosilicate b well as an increase in the liquidus viscosity (slower diffusivity), thereby suppressing the nepheline crystallization.A polyoxometalate hosting Ag+, [AgP5W30O110]14-, has been studied for its sustained and controlled release of Ag+ triggered by Na+ replacement at room temperature for long-lasting bacteriostasis, whose antibacterial activity is not eliminated after repeated exposure tests because of the protection of Ag+ by the polyoxometalate skeleton.We present the synthesis of a porous, organic [4+4] imine cage containing perfluorinated aromatic panels. Gas adsorption experiments show an uptake of 19.0 wt% CO2 (4.2 mmol g-1, 273 K and at 1 bar) and 1.5 wt% H2 (7.5 mmol g-1, 77 K and at 1 bar) for the specific surface area of 536 m2 g-1 of the crystalline material obtained directly from the reaction mixture, combined with an outstanding thermal stability, making it a very interesting porous material suitable for gas adsorption.We reported a novel non-thermal plasma induced photocatalytic transformation of light hydrocarbons over Ti-Ga/UZSM-5, which gives 47.8 C% of liquid products, with C6-C9 iso-alkanes being the major components, and limited coke (5.5 C%). Combining the plasma with a photocatalyst displays great potential to produce gasoline range chemicals from low-cost gaseous hydrocarbons under near ambient conditions.A series of α-Ni(OH)2-Ni3S4 hybrid structures are prepared as advanced electrocatalysts for the methanol oxidation reaction (MOR) via a feasible in situ sulfidation approach. The α-Ni(OH)2-Ni3S4 hetero-interfaces endow the hybrid structures with reduced γ-NiOOH formation energy and methanol adsorption energy, and thus a significantly enhanced electrocatalytic activity for the MOR.A hierarchical electrode consisting of a Ni foam substrate, an intermediate layer of a Mo-doped basic cobalt carbonate microwire array, and a surface layer of NiCoP was fabricated for hydrogen evolution. The introduction of the intermediate layer accounted for the low overpotential (45 mV, 10 mA cm-2) and high solar-to-hydrogen conversion efficiency (14.9%) in a PEC water splitting application.Two electrochromic polymers based on thiophene-benzene derivatives were prepared using an electrochemical method and exhibited multiple separate redox couples due to the introduction of side chains. The energy storage states of electrochromic supercapacitors based on the resulting polymers could be monitored by their appearance colour.Herein a metal-free approach for the synthesis of isoquinolone derivatives by means of photoinitiated deaminative [4+2] annulation of alkynes and N-amidepyridinium salts is described. This protocol exhibits a broad scope and good functional group tolerance and regioselectivity under benign reaction conditions. Preliminary studies suggest that the critical amide radical is derived from the photocatalytic cleavage of the N-N bond of the N-amidepyridinium salt, which adds to the triple bond of the alkyne and undergoes the annulation process to afford the desired isoquinolones.A p-type Co-ZnFe2O4 film with a one-dimensional (1D) rod-like morphology is fabricated for the first time on fluorine-doped tin oxide (FTO) through a hydrothermal reaction and sintering treatment. The p-type Co-ZnFe2O4 is obtained by doping Co ions into n-type ZnFe2O4, in which Zn sites are substituted by Co. Compared with the n-type ZnFe2O4, the light absorption edge of Co-ZnFe2O4 is clearly shifted from 589 to 624 nm, and the positions of the valence/conduction band of Co-ZnFe2O4 meet the thermodynamic requirements for water splitting. [https://www.selleckchem.com/products/beta-nicotinamide-mononucleotide.html learn more] The photocurrent density of p-type Co-ZnFe2O4 is -0.22 mA cm-2 at 0 V vs. the reversible hydrogen electrode (RHE), which is enhanced 7.33-times vs. that of n-type ZnFe2O4 (-0.03 mA cm-2 at 0 V vs. RHE). This work provides useful insights into tuning the p-n character of semiconductors to realize efficient photoelectrochemical (PEC) water splitting.Uniaxial nematic liquid crystals whose molecular orientation is subjected to tangential anchoring on a curved surface offer a non trivial interplay between the geometry and the topology of the surface and the orientational degree of freedom. We consider a general thin film limit of a Landau-de Gennes Q-tensor model which retains the characteristics of the 3D model. From this, previously proposed surface models follow as special cases. We compare fundamental properties, such as the alignment of the orientational degrees of freedom with principle curvature lines, order parameter symmetry and phase transition type for these models, and suggest experiments to identify suitable model assumptions.Herein, we have reported the wavelength-scanned (WS) SERS spectra of 4-mercaptopyridine molecules (4-MPy) adsorbed on gold nanoparticles immobilised in a Langmuir Reverse Schaefer (L-RSh) film matrix of 5CB molecules. The WS-SERS spectral profile exhibited an increment in the intensity of the enhanced Raman bands of 4-MPy with an increase in the wavelength of the excitation laser source. The rationale behind the experimental observations was supported by the simulated extinction spectra and the enhancement factor measurements of the modelled systems using the T-matrix formalism. The SERS intensity fluctuations in the band located at 1000 cm-1 for the 4-MPy molecule, as obtained from three different locations in the L-RSh film substrate, were also analyzed. Surprisingly, depending on the spatial locations of the substrates, the intensity fluctuations of the abovementioned band exhibit both Poisson and Gaussian distributions but the maximum number of probe molecules that can reside in the scattering areas under investigation cannot exceed sixteen.