نتایج جستجو برای: electrochemical property
تعداد نتایج: 209306 فیلتر نتایج به سال:
Fe(2)O(3) nanoparticles with a mean diameter of ~9 nm were homogeneously filled into the hollow core of high aspect ratio CNTs synthesized by the AAO template method with tunable filling ratios. These Fe(2)O(3)-filled CNTs were employed as the anode material of lithium-ion battery, and desirable electrochemical properties of high reversible lithium storage capacity and good rate capability were...
Polypyrrole nanoparticles were synthesized by chemical polymerization method using ammonium persulphate as an oxidant. The synthesized polypyrrole nanoparticles were characterized by FT-IR, UV-Visible, FESEM and CV. The structure of polypyrrole nanoparticles were confirmed by FT-IR spectroscopy. The UV-Vis spectra of polypyrrole nanoparticles show π-π* and n-π* transitions. The morphological pr...
Triazinedithiol polymeric nanofilm was prepared on a pure aluminum surface by electrochemical polymerization of AF17N. The mechanism of the process was proposed and electrochemical polymerization parameters were investigated. The triazinedithiol polymeric nanofilm had notable lubricity, high dielectric property and superhydrophobic property due to the allyl and fluoro alkyl groups in the AF17N ...
Mg(OH)2 conversion coatings were formed on an Mg-2Zn-0.5Mn-Ca-Ce alloy via hydrothermal method at three different synthesizing temperatures (160, 170 and 180 ̋C). The effect of synthesizing temperature on microstructure and electrochemical property of the coatings were systematically studied. With increasing synthesizing temperature, the coating became thicker due to the faster reaction and dep...
We found a method for controlling the elution property of a thin film of water-dispersible Prussian blue (w-PB) nanoparticles using a simple electrochemical treatment. The thin film of the w-PB nanoparticles fabricated by the spin-coating method was unstable in water and eluted easily. However, after electrochemical reduction and oxidation, the film did not elute in water. To clarify the mechan...
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در این پایان نامه، سنتز و شناسایی کمپلکس هایی با کاربردهای فتوشیمیایی، الکتروشیمیایی و بیوشیمیایی با فرمول های : (1) [co(me-saldien)(pprdn)]b(ph)4; (2) [co(me-saldien)(prldn)]b(ph)4; (3) [co(me-saldien)(mrpln)]b(ph)4; (4) [co(me-saldien)(n3)]; (5) [co(me-saldien)(cn)]; (6) [co(me-saldpt)(n3)]; (7) [co(me-saldpt)(cn)] مورد بررسی قرار گرفته است. کمپلکس های (1) تا (7) با بازده خوب سنتز و با ...
We investigated the feasibility of hydrogen storage with electrochemically formed VO2 nanotubes. The nanotubes were fabricated through anodization vanadium metal in fluoride ion-containing organic electrolyte followed by an annealing process Ar-saturated atmosphere at 673 K for 3 h a heating rate /min. During anodization, current density significantly increased up to 7.93 mA/cm2 approximately 5...
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