vFacile Fabrication of Uniform Polyaniline Nanotubes with Tubular Aluminosilicates as Templates" pptx
vFacile Fabrication of Uniform Polyaniline Nanotubes with Tubular Aluminosilicates as Templates" pptx
... of raw HNTs, PANI/HNTs hybrids, and PANI nanotubes 302 Nanoscale Res Lett (2008) 3:299–302123NANO EXPRESSFacile Fabrication of Uniform Polyaniline Nanotubes with Tubular Aluminosilicates as ... The uniform polyaniline (PANI) nanotubes, with inner diameter, outer diameter, and tubular thick-ness of 40, 60, and 10 nm, respectively, were preparedsuccessfully by using natural tubular aluminosilicates ... instead of carbon nanotubes or boron nitride nanotubes [25].In the present work, we report a template-based fab-rication technique for PANI nanotubes with halloysite nanotubes (HNTs) as template....
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one - step fabrication of a polyaniline nanofiber vapor sensor
... rapidresponses, with the response to the chloroform being stronger andfaster in the nanofiber sensor. The response of the sensors to chlo-roform was modeled with a single exponential decay in the form of: Inorm(t) ... concentration of chloroform in the carrier gas was about 2.2%. They-scale was set to provide a direct comparison with the other vapors.Fig. 4. Sensor responses of bulk and nanofiber-based sensors ... Synthesis. All chemicals were used as received, except foraniline, which was distilled before use.2.2. Synthesis of bulk polyaniline and polyaniline nanofibers Polyaniline was synthesized by in situ...
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synthesis, growth mechanism and room-temperature blue luminescence emission of uniform wo3 nanosheets with w as starting material
... synthesis, 6.5 g of W powderwas dissolved into a mixed solution of 40.0 mL of H2O2and 4.0 mL of H2O with an ice-water bath and stirring. After filtration, a lightyellow solution was obtained. ... autoclave with a capacity of 45 mL. The autoclave was placed into an oven andheated at 180 1C for 24h. After cooling down to room temperature,yellow product was obtained.The phase of the product was ... wellconsistent with the XRD result.Fig. 2a and b shows the FESEM image and TEM image of the as- synthesized WO3nanosheets. Uniform WO3nanosheets with athickness of $80 nm and length of $500 nm...
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Báo cáo hóa học: " A combination of hard and soft templating for the fabrication of silica hollow microcoils with nanostructured walls" pptx
... effort over the past dec-ades. Templates can be classified as ‘hard’ an d ‘soft’ .Hard templates are usually solid-state materials with particular structure and morphology, whereas soft tem-plates ... ani-sotropy) in terms of carbon growth [7].Although there is some literature on the use of carbon nanotubes (CNT) as scaffolds for the preparation of silica nanotubes with different morphologies ... combination of hard and soft templating forthe fabrication of silica hollow microcoils with nanostructured wallsCarlos Rodriguez-Abreu1*, Neus Vilanova2, Conxita Solans2, Masaki Ujihara3,...
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Báo cáo hóa học: " AFM-assisted fabrication of thiol SAM pattern with alternating quantified surface potential" pdf
... AFMprobe, with a spring constant of 5 N/m, was inserted intothe liquid cell an d was used to scratch squares of defineddimension,varyingfrom10by10nmto10by10μmincontact mode. The forc e applied was ... solu-tion with another thiol (COOH-terminated thiol). Sec-ond, the tip was positioned into a selected spot to starta programmed scrat ching of defined areas. The scratch-ing was performed with ... non-specific binding of biomolecules and nanoparti-cles and, therefore, can serve as useful templa tes fornano- and micro -fabrication. The first systematic study of thiol chemicals was reported by...
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Báo cáo hóa học: "Fabrication of Uniform Au–Carbon Nanofiber by Two-Step Low Temperature Decomposition" docx
... diameter of the Aunanoparticles and the distance of the bridge in the cross-linked CNFs is the same as the diameter of AAO channelsuggests that the fibers are the splits of the tubular shape of carbon. ... thebinding energy of C 1s (285.0 eV)Fig. 3 a TEM image of carbon nanotubes prepared in anodizedaluminum oxide (AAO)template and b TEM image of free standing carbon nanotubes ornamented with Aunanoparticles. ... remain on the wall of AAO channel. Finally,the decomposition of the coated sucrose on as- preparedAAO channel will result in the nanotubes as shown inFig. 3.Initially, it was expected that carbon...
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ON WEAK SOLUTIONS OF THE EQUATIONS OF MOTION OF A VISCOELASTIC MEDIUM WITH VARIABLE BOUNDARY V. G. pptx
... ˜vk,E.(5.21)Proof of estimates (5.21) repeats the proof of Lemma 2.4 of [21] with the change of Ω0by Ωtin the calculations.Let γkbe a Kuratovsky’s noncompactness measure (see [1]) in E∗ with the ... L2(Ω0))convergence of the second factor in the last integ ral. Then the whole expression convergesto zero as l → as well. T his yields the proof of convergence (7.15).The possibility of the passage to ... zero of a degree of a map implies the existence of solutions of the operatorequation (6.1) and consequently the existence of a solution of (4.10)((6.1)atλ = 1).Theorem 4.3 is proved.7. Proof of...
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Báo cáo toán học: " Growth of few-wall carbon nanotubes with narrow diameter distribution over Fe-Mo-MgO catalyst by methane/acetylene catalytic decomposition" pptx
... 0.88 g of ammonium heptamolybdate was added to the suspension, and it was stirred for 30 min. Lastly, 20 ml of a water-based solution of ferric nitrate Fe(NO3)3·9H2O (1.02 g) was infused, ... presence of some amount of γ-Fe phase. We do believe that some part of cementite observed by our ex-situ measurements was formed during the cooling process when carbon interacting with the ... increasing hydrocarbon molecular diffusivity as the gas pressure increases. Conclusions The technological approach for the simple high-yield CVD growth of few-wall carbon nanotubes was developed....
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Báo cáo toán học: " Fabrication of a new type of organic-inorganic hybrid superlattice films combined with titanium oxide and polydiacetylene" pot
... rate of TiO2 as a function of TiCl4 dosing time. (b) Growth rate of TiO2 as a function of H2O dosing time. (c) Growth rate of TiOPDA as a function of TiCl4 dosing time. (d) Growth rate of TiOPDA ... 1995.doi:10.1186/1556-276X-7-71Cite this article as: Yoon et al.: Fabrication of a new type of organic-inorganic hybrid superlattice films combined with titanium oxide andpolydiacetylene. Nanoscale ... Second, the Cl group of the chemisorbedtitanium chloride molecule on the substrates was replacedby an OH group of HDD with the living HCl to form adiacetylene layer. The OH group of the diacetylene...
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Báo cáo hóa học: " Improved conversion efficiency of Ag2S quantum dot-sensitized solar cells based on TiO2 nanotubes with a ZnO recombination barrier layer" pdf
... arrays with respect tolower energy (longer wavelength) region of the sunlight.In addition, the absorbance increases with the increase inthe cycles of Ag2S deposition, resulting from an increasedamount ... =2,4,and8),withasurfacearea of 0.5 cm2was illuminated under UV-vis light (I =100 mW cm-2) with a simulated solar light during a vol-tage sweep from -1.4 to 0 V. The simulated solar lightwas produced ... TiO2electrode [31]. The mainreason for this may be that the CB level of Ag2Sislower than that of TiO2asshowninFigure6a[40],butthe CB level of CdS is higher than that of TiO2. There-fore, the...
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