hydrothermal synthesis and characterization of tio2 nanorod arrays on glass substrates

... Hydrothermal synthesis and characterization of TiO2 nanorod arrays on glass substrates Yuxiang Lia, Min Guoa, Mei Zhanga, Xidong Wangb,*aDepartment of Physical Chemistry, ... view of TNAs.Fig. 6. Diameter distribution of TiO2nanorods grown on PT-substrate at anannealing temperature of 700 8C and at a hydrothermal growth temperature of 160 8C and with growth time of ... photocatalyticactivity of TiO2 nanorod arrays was investigated by measuring the photodegradation rate of methyl blueaqueous solution under UV irradiation (254 nm). And the results indicate that TiO2 nanorod arrays exhibit...

hydrothermal synthesis and characterization of - feooh and fe2o3 uniform nanocrystallines

... Journal of Alloys and Compounds 433 (2007) 216–220 Hydrothermal synthesis and characterization of ␣-FeOOH and ␣-Fe2O3uniform nanocrystallinesXiaohe Liua,b, Guanzhou Qiub, Aiguo Yanb, Zhong ... because of their size and shape-dependent properties and great potentialapplications. Considerable effort has been devoted to the design and controlled fabrication of inorganic materials with controlledsize ... electron microscopy (SEM), and selected area electron diffraction(SAED). The probable formation mechanism of the ␣-FeOOH and ␣-Fe2O3uniform nanoparticles was discussed on the basis of the...

hydrothermal synthesis and characterization of self - assembled h - wo3

... directed synthesis, chemical vapor deposition, solvo- and hydrothermal reaction, solution-based colloidal approach, and sonochemistryprocesses. Among them, solvo- and hydrothermal processes offersigniﬁcant ... processfacilitates con-trol over the shapes of nanowire bundles and nanorods, allowingthe formation of urchin-like crystalline h-WO3via simple substitu-tion of NH4+in place of Na+ions of EDTA salt ... amixture of aggregated short nanowire bundles and short nanorodswas formed after 4 h of reaction time at 180◦C. On the other hand,the reaction conducted at 180◦C for 8h revealed the formation of uniform...

hydrothermal synthesis and characterization of some polycrystalline iron oxides

... electron microscopy, transmission and electron con-version MoÈssbauer spectroscopy. The correlation between the preparation conditions and the properties of the obtained iron oxidesis discussed together ... obtained by hydrothermal synthesis, in the temperature range of 160±300C. Goethite and ferric hydroxide precursors prepared by precipitation and oxidation under dierent reaction conditions wereused. ... Hydrothermal synthesis and characterization of some polycrystallinea-iron oxidesLucian Diamandescu*, Doina Mihaila-Tarabasanu, Nicoleta Popescu-Pogrion,Alina Totovina, Ion BibicuInstitute...

hydrothermal synthesis and photoluminescence of tio2 nanowires

... synthesized using a simple hydrothermal synthesis method from TiO2nanoparticles. X-ray diﬀraction, transmission electron microscopy and high-resolution electronmicroscopy investigations show the TiO2nanowires ... at 419 and 427 nm for TiO2anatase single crystalline. Theyassigned 412 nm line to free-exciton and the lattertwo lines to phonon repetitions of the free-excitonline. These emission lines ... trapping of free electrons by anion vacancies accompanied byphoton emission to yield F-type color centers.Since zirconia and titania are similar in crystallinestructure and both are wide bandgap...

synthesis and characterization of wo3 nanostructures prepared by an aged-hydrothermal method

... been formed by using different condi-tions and preparation methods: electrospinning [9], oxidation of a substrate under appropriate conditions and the deposition of tungsten oxide from a tungsten ... byfollowing a hydrothermal route. They used as raw materialsammonium salts and some additives to control the formation of nanomaterials. In comparison with the methods mentionedbefore, the hydrothermal ... ð1ÞAccording to reaction (1), high concentrations of bothW12O4110− and H+would shift the reaction to the right ensuringthe formation of WO3, although many intermediate steps and Fig. 1 – XRD...

Tài liệu Báo cáo khoa học: Specific targeting of a DNA-alkylating reagent to mitochondria Synthesis and characterization of [4-((11aS)-7-methoxy-1,2,3,11a-tetrahydro-5H-pyrrolo[2,1-c][1,4]benzodiazepin-5-on-8-oxy)butyl]-triphenylphosphonium iodide doc

... concentration of mitoDC-81 within mitochondria on incubation of cells with highnanomolar to micromolar concentrations of mitoDC-81. This highlocal concentration of mitoDC-81 within mitochondria ... mitochondria. Incubations of 6 h with aconcentration of 500 lMmitoDC-81 led to extensivealkylation of isolated DNA (Fig. 3), but such long incuba-tion times and high concentrations of mitoDC-81 ... beforemitochondrial oxygen consumption was measured. None of the individual clones (n ¼ 24) that were analysed hadimpaired mitochondrial respiration. This lack of detection of q° clones was not...

Báo cáo khoa học: Synthesis and characterization of a new and radiolabeled high-afﬁnity substrate for H+/peptide cotransporters pdf

... presence of increasing concentrations of Bip-Pro (0–0.316 mM). Uptake rates measured in the absence of Bip-Pro were taken as 100%. Insets: determination of the inhibitionconstants by Dixon type ... experiments. Uptake of Gly-Sar was mea-sured at pH 6.0 for 10 min at two Gly-Sar concentrations and atincreasing Bip-Pro concentrations. The diffusional component of [14C]Gly-Sar uptake, of 8% in Caco-2 ... course of our work on high-afﬁnity inhibitors of PEPT1 and PEPT2, on thestructural modiﬁcations that convert a transportedcompound into a nontranslocated inhibitor as well asstudies on the...

Synthesis and characterization of silicon nanowires using tin catalyst for solar cells application

... Synthesis and characterization of silicon nanowires using tin catalyst for solarcells applicationMinsung Jeon⁎, Koichi KamisakoDepartment of Electronic and Information Engineering, ... 1.5, 100 mA/cm2).3. Results and discussionAfter synthesis of SiNWs on p-type c-Si wafer, phospho rous diffusion wasperformed on the front surface using spin -on phosphors silicate g lass (PSG) ... other synthesis conditionsare summarized in Table 1.The optical and morphologic al characteristics of the SiNWssynthesized on c-Si wafer were estimated by spectrophotometer and ﬁeld emission...

Synthesis and characterization of semiconducting nanowires for gas sensing

... Sensors and Actuators B 121 (2007) 208–213 Synthesis and characterization of semiconductingnanowires for gas sensingG. Sberveglieri∗, C. Baratto, E. Comini, G. Faglia, M. Ferroni,A. Ponzoni, ... nanowires through condensation from vapor phase. Such a growth occurs in controlled thermo-dynamical condition and size reduction effects on the electrical and optical response to gases have ... comparable to the wavelength of the electronic wave-function [2].Presently, the synthesis of nanowires of semiconduct-ing metal oxides (MOX) is based on thermal decomposi-tion of precursor powders...

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