134 Result(s)
within
**-**a Ding
Chemistry
Characterization and Evaluation of Materials
Condensed Matter Physics
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Article
Photoelectrochemical characteristics of oxide layers on copper-nickel alloys
The electrochemical behavior of a series of Cu-(7, 30, 50, 70 wt%)Ni alloys in borate buffer and sodium sulfate solutions with and without argon purging was studied by cyclic voltammetry and the photocurrent ...
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Article
Glassy carbon electrodes modified with mixed covalent monolayers of choline, glycine, and glutamic acid for the determination of phenolic compounds
A series of mixed covalent monolayer carbon glassy electrodes (choline/amino acid/GCE) was prepared using choline and amino acids, and the properties were investigated by cyclic voltammetry, electrochemical im...
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Article
A novel method to fabricate lithium-ion polymer batteries based on LiMn2O4/NG electrodes
A novel method to fabricate lithium-ion polymer batteries (LiPBs) has been developed. The LiPBs was fabricated without microporous polyolefin separators, taking spinel lithium manganese oxide (LiMn2O4) and natura...
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Article
Electrochemical deposition and mechanism investigation of Prussian blue on graphic carbon paste electrode from an acidic ferricyanide solution
Prussian blue (PB) films were electrochemically deposited on graphite carbon paste electrodes (GCPEs) from an acidic solution of ferricyanide using the potentiodynamic and potentiostatic techniques. Interestin...
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Article
Design of nanostructured ceria-based solid electrolytes for development of IT-SOFC
A considerable interest has been shown in the application of doped ceria (CeO2) compounds for “intermediate” (300–500 °C) temperature operation of solid oxide fuel cells. The microdomains with ordered structure o...
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Article
Electrodeposition of platinum–nickel alloy nanocomposites on polyaniline-multiwalled carbon nanotubes for carbon monoxide redox
An electrochemical method was developed to deposit platinum (Pt)–nickel (Ni) alloy nanocomposites on polyaniline-multiwalled carbon nanotubes (Pt–Ni/PAN/MWCNTs). The material was characterized by various metho...
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Article
Electrochemistry of bilirubin oxidase at carbon nanotubes
In this paper, we compared the direct electron transfer and electrocatalytic properties of bilirubin oxidase (BOD) immobilized at two kinds of carbon nanotubes (CNTs), bamboo-CNTs and uniform-CNTs. X-ray diffr...
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Article
Simultaneous determination of uric acid and ascorbic acid at the film of chitosan incorporating cetylpyridine bromide modified glassy carbon electrode
A glassy carbon electrode (GCE) modified with the film composed of chitosan incorporating cetylpyridine bromide is constructed and used to determine uric acid (UA) and ascorbic acid (AA) by differential pulse ...
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Article
Studies on partial compatibility of PP and PS
Blends of polystyrene (PS) and polypropylene (PP) were prepared through melt compounding. With an increase of PS content up to 30 wt%, the tensile strength of PP/PS blends increased from 37.4 MPa to 42.2 MPa, ...
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Article
Pervaporation separation of ethanol/water mixtures with chlorosilane modified silicalite-1/PDMS hybrid membranes
Ultra-fine silicalite-1 particles were modified with four kinds of chlorosilanes (dodecyltrichlorosilane, octyltrichlorosilane, hexadecyltrichlorosilane and octadecyltrichlorosilane) and characterized by FI-IR...
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Article
Docosyltrimethylammonium chloride modified glassy carbon electrode for simultaneous determination of dopamine and ascorbic acid
A glassy carbon electrode (GCE) modified with docosyltrimethylammonium chloride (DCTMACl) is used for simultaneous determination of dopamine (DA) and ascorbic acid (AA) using differential pulse voltammetry (DP...
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Article
Hydrogen peroxide biosensor based on the immobilization of horseradish peroxidase on γ-Al2O3 nanoparticles/chitosan film-modified electrode
An amperometric biosensor based on horseradish peroxidase (HRP) and γ-Al2O3/chitosan composite film at a glassy carbon electrode has been developed. Hydrogen peroxide (H2O2) was detected with the aid of ferrocene...
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Article
Synthesis of highly reactive polyisobutylenes with BF3·cyclohexanol initiating system
The selective cationic polymerization of isobutylene (IB) initiated by a BF3·cyclohexanol (CL) complex was carried out from the mixed C4 fraction feed containing the 4C saturated and unsaturated hydrocarbons at −...
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Article
Association behavior of porphyrin pendants in pH-sensitive water-soluble polymer
A novel tripyridylporphyrin monomer, 5-[4-[2-(acryloyloxy)ethoxy]phenyl]-l0,l5,20-tris(4-pyridyl)porphyrin (TrPyP), was synthesized and polymerized with acrylamide (AM) to prepare the hydrophobically associati...
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Article
Electrochemical performance of rare-earth doped LiMn2O4 spinel cathode materials for Li-ion rechargeable battery
Spinel powders of LiMn2−x RE x O4 (RE = La, Ce, Nd, Sm; 0 ≤ x ≤ 0.1) have been synthesized by solid-phase reaction. The structure and electrochemical properties o...
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Article
Preparation and characterization of silicon monoxide/graphite/carbon nanotubes composite as anode for lithium-ion batteries
Silicon monoxide/graphite/multi-walled carbon nanotubes (SiO/G/CNTs) material was prepared by ball milling followed by chemical vapor deposition method and characterized by X-ray diffraction, scanning electron...
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Article
LaNi0.5Ti0.5O3/CoFe2O4-based sensor for sensitive determination of paracetamol
A novel electrochemical sensor based on LaNi0.5Ti0.5O3/CoFe2O4 nanoparticle-modified electrode (LNT–CFO/GCE) for sensitive determination of paracetamol (PAR) was presented. Experimental conditions such as the con...
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Article
Plasma modification of polypropylene surfaces and grafting copolymerization of styrene onto polypropylene
The surface of polypropylene (iPP) is modified with glow discharge plasma of Ar, so that the modified surfaces of iPP films are obtained. The studies of scanning electron microscopy (SEM) show the surface etching...
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Article
Synthesis and magnetic properties of complexes of a conjugated hyperbranched polymer containing bithiazole rings
A novel conjugated hyperbranched polymer containing bithiazole rings (PBTADB) was synthesized by polycondensation of 1,3,5-benzenetricarboxaldehyde and 2,2′-diamino-4,4′-bithiazole (DABT). The structure of the...
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Article
LaF3 surface-modified LiCr0.05Mn1.95O4 cathode material with improved high-temperature performances for lithium-ion batteries
The LaF3 surface-modified LiCr0.05Mn1.95O4 samples were synthesized by co-precipitation method and characterized by high-angle annular dark field scanning transmission electron microscopy (HAADF-STEM) and energy-...
