5,154 Result(s)
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Qi**g Yu
Characterization and Evaluation of Materials
Physical Chemistry
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Article
A novel HEMA-based copolymer hydrogel film with excellent ultraviolet/high-energy short-wavelength blue light shielding
The human body is susceptible to the adverse effects of exposure to ultraviolet (UV) radiation and high-energy shortwave blue light, which can increase the risk of skin cancer and eye damage. Consequently, lig...
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Article
Breakthrough analysis on selective adsorption of CO2 from biogas by polyethylenimine-impregnated resins
Polymer resin-based solid amine are prospective adsorbents used in removing CO2 from biogas. Two commercial resins with different porous structures, AB-8 and ADS-17, were selected as supports to explore the influ...
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Highly permselective Pebax/MWCNTs mixed matrix membranes for CO2/N2 separation
Development of high-performance CO2 separation membrane materials is the most vital challenge in membrane separation technology for carbon emission reduction and carbon neutrality. Mixed matrix membranes (MMMs) w...
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Electrochemical performance of gold electrode in aqueous solution, containing fullerenol-d (C60(OH)24): the possibility of direct detection of fullerenol-d in aqueous solutions
The electrochemical performance of gold electrode in sulfuric acid was studied with addition of different concentrations of dissolved fullerenol-d with C60(OH)24 chemical formula. Based on the cyclic voltammetry ...
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Article
Electrical properties and field emission characteristics of ITO nanorod thin films synthesized by electron beam physical vapor deposition
One-dimensional nanostructures, especially those with high aspect ratios, are suitable materials for fabricating field emitters. Indium tin oxide (ITO) nanorod thin films were successfully synthesized on GaAs ...
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Article
Preparation of high-performance copper fluoride cathode material for thermal batteries: effect of heat treatment temperature of precursor ammonium copper fluoride
A copper fluoride with small size and high purity is very important to present its ability as a cathode material for lithium thermal batteries (LTBs). In this paper, we investigate the effect of the heat treat...
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Superhydrophilic and underwater superoleophobic film with different microstructures from waste glass for oil/water separation
Traditional methods for the separation of oil and water exhibit numerous flaws, including limited decontamination capacity, incomplete separation, complex operation, and environmental pollution. Although some ...
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Article
Preparation and properties of super water-retaining agent with sulfonic acid and carboxylic acid groups assisted by ultrasounds
Superabsorbent hydrogels demonstrate positive significance as water-retaining materials in agriculture and gardens. The super water-retaining hydrogel (BASA) based on the bamboo powder with the rich sulfonic a...
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Synthesis of a charring-foaming agent containing triazine and triazole groups and its flame retardancy in PP
A new hyperbranched charring-foaming agent (PCAT) containing triazine and triazole groups was successfully synthesized and characterized, and its special pyrolysis behavior was analyzed. It was combined with P...
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Article
Electrochemical synthesis and properties of multicolor electrochromic triphenylamine-based polymer films
Four novel triphenylamine-based (TPA-based) conjugate polymer films (one homopolymer and three co-polymers) were electrochemically synthesized from N4,N4′-bis(4-((6-(1H-indol-1-yl)hexyl)oxy)phenyl)-N4,N4′-diph...
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Article
Comparative analysis of the structure and electrical properties of single crystal and ceramic (ZrO2)0.90(Sc2O3)0.09(Yb2O3)0.01 solid electrolyte
Ceramics with the composition of (ZrO2)0.90(Sc2O3)0.09(Yb2O3)0.01 was obtained by tape casting onto a moving substrate using the original powder obtained by grinding single crystals. The phase composition, crysta...
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Article
Thermal conductivity of Y2O3-stabilized ZrO2 cubic single crystals: effects of defect structure
Yttria-stabilized zirconia is one of the most widely used solid electrolyte materials for solid oxide fuel cells (SOFCs) as well as solid oxide electrolysis cells (SOECs). The crystalline, defect structure, an...
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Article
Enhanced electrode reaction for La0.8Sr0.2FeO3-δ-Sm0.2Ce0.8O1.9 composite cathode by barium carbonate nanoparticles as a synergistic catalyst
BaCO3 nanoparticles are demonstrated as outstanding catalysts for high-temperature oxygen reduction reaction on the La0.8Sr0.2FeO3-δ (LSF)-Sm0.2Ce0.8O2−δ (SDC) cathode for solid oxide fuel cells (SOFCs). X-ray di...
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Article
Open AccessInfluence of Do** of Niobium Oxide on the Catalytic Activity of Pt/Al2O3 for CO Oxidation
Pt-based alumina catalysts doped with varying niobium contents (i.e., 0, 1.20, 2.84, and 4.73 wt%, denoted as Pt/Nb–Al2O3) were synthesized via stepwise impregnation for catalytic CO oxidation. The effective inco...
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Article
A novel pearls-like hierarchical porous silica aerogel monolith for efficient oil/water separation
Oil pollution poses serious threat to environment and ecological system. Using porous materials for absorption and separation is an effective method to treat oil polluted water. In this study, a methyltriethox...
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Article
Solid electrolytes based on zirconium dioxide partially stabilized with oxides of yttrium, gadolinium, and samarium
The phase composition, structure, conductivity, crack resistance, and microhardness of crystals (ZrO2)1-x(R2O3)x, where R = Y, Gd, Sm, and (x = 0.03, 0.04, 0.05) were studied. Crystals were grown by directed crys...
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Article
Preparation of millimeter-sized spherical SiO2–Al2O3 with various acid catalysts for the acetalization of glycerol with acetone
Through the sol-gel-oil ammonia column method, millimeter-sized spherical SiO2–Al2O3 particles were successfully prepared using aluminum isopropoxide and varying amounts of tetraethyl orthosilicate. The impact of...
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Preparation of activated carbon composite electrode from sugarcane bagasse and its application on energy storage devices
Based on sustainable resource recycling, we utilize physical and chemical activation to modify sugarcane bagasse into activated carbon materials with a porous structure. The activated carbon modified with KOH-KNO
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Optimized wet-chemical synthesis of ultra-small CuO nanoparticles with high antibacterial activity
Copper oxide nanoparticles (CuO NPs) are attractive owing to their size- and shape-dependent properties, as well as their diverse applications. Therefore, the synthesis of environmentally friendly CuO NPs usin...
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In situ synthesis of three-dimensional electrospun polyacrylonitrile nanofiber network reinforced silica aerogel for high-efficiency oil/water separation
In situ electrospun 3D polyacrylonitrile (PAN) nanofiber-reinforced (EPNR) silica aerogel monoliths were prepared through methyltriethoxysilane–trimethylchlorosilane modification followed by ambient pressure d...
