synthesis of iron oxide nanorods and nanocubes in an imidazolium ionic liquid

... Conclusion In conclusion, nanorods, nanocubes and nanospheres of iron oxide have been synthesized in [BMIM][Tf2N] ionic liquid. Oleicacid plays an important role in the shape control of nanostructures.Oleylamine ... nanostructures.Oleylamine and 1,2-hexadecanediol are required co-surfactants in controlling the formation of nanorods of iron oxide. Thedifferent solubility of precursors, reactive intermediates and nanoparticles ... images and (D) PXRD pattern of iron oxide nanocubes: (A and B) 9nm nanocubes made from a reaction solution at Fe(CO)5concentration of 50mM and Fe(CO)5:oleic acid molar ratio of 1:1, and (C)...

one - pot facile synthesis of iron oxide nanowires as high capacity anode

... great interest because of their unique morphologies and properties in nanoscience and nanotechnology [7-9]. Iron oxides also have been synthesized in a variety of 1D morphologies such as nanowires ... Page 10 of 14Accepted Manuscript 10Caption of figures Fig. 1. X-ray diffraction pattern of alpha phase iron oxide nanowires. Fig. 2. SEM and TEM Images of Fe2O3 nanowires and precursors. ... entirely in the form of well dispersed nanowires. In the hydrothermal processing, Fe3+ ions were bonded and anchored to amino groups or carboxyl groups from the reactant of NTA, and formed...

synthesis of porous fe2o3 nanorods and deposition

... Aharon Gedanken*,‡Institute of Chemical and Engineering Sciences, 1 Pesek Road, Jurong Island, Singapore 627833, and Department of Chemistry and Kanbar Laboratory for Nanomaterials, Bar-Ilan UniVersity ... ratio was 12/1 and the reaction temperature was 80 °C, but the reaction time was 0.0 h in A and 0.5 h in B. In C and D, the molar ratio of TEAOH/Fe was the sameas that in A and in B and the reaction ... reactiontemperature and time and the molar ratio of TEAOH/Feinfluence the morphology of the product. The as-preparedproduct is R-FeO(OH) nanorods, and it can be converted toporous R-Fe2O3nanorods...

facile synthesis and no2 gas sensing of tungsten oxide nanorods assembled microspheres

... image of the nanorods obtainedwith OA/W ratio of 4:1. These nanorods have an average diameterless than 100 nm and length in micrometer level. A correspond-ing diffraction pattern of the nanorods ... area-to-volumeratio and the size effect. Since the report of enhanced gas sensingperformance of tin oxide nano-crystallites in 1990s [1], nanomate-rials based gas sensors attracted more and more attentions ... attentions [2,3].Nanostructures of well-established gas sensing materials like tin oxide [4–6], zinc oxide [7], tungsten oxide [8–10], titanium oxide [11,12], and indium oxide [13,14] have shown...

CHARACTERISTICS AND DISTRIBUTIONS OF NITROUS OXIDE-PRODUCING DENITRIFYING FUNGI IN NATURAL ENVIRONMENTS

... -CHARACTERISTICS AND DISTRIBUTIONS OF NITROUS OXIDE- PRODUCING DENITRI-FYING FUNGI IN NATURAL ENVIRONMENTSK. Oishi and T. KusudaDepartment of Civil Engineering, Faculty of Engineering, Kyushu University, ... relatively high in the submerged litter of the pond and the organic soil, and were low in the inorganicsoil, and the sediments of the pond and the tidal river (Table 2). The farmyard manure supplied ... etc., can reduce nitrite and several strains can reduce nitrate as well, but the final product is mainly N2O rather than N2 ( Bleakley and Tiedje, 1982; Burth and Ottow, 1983; Shoun and Tanimoto,...

Tài liệu Báo cáo khoa học: Fatty acid synthesis Role of active site histidines and lysine in Cys-His-His-type b-ketoacyl-acyl carrier protein synthases ppt

... histidines and lysine in the CHH con-densing enzyme KAS I from E. coli by use of crystalstructures of active site mutants and biochemicalcharacterization of the acyl transfer, decarboxylation and ... cation lig-ands are main-chain oxygen atoms, and three are theside-chain oxygen atoms of N296, E342 and S387.The glutamic acid and asparagine residues are con-served among known KAS I and KAS ... In thewild-type and H298E and H298Q mutant protein struc-tures, an ammonium ion was added to each of the foursubunits. One ammonium ion and an octanoyl residue wereadded to each subunit in...

micelle-assisted synthesis of polyaniline magnetite nanorods by in situ self - assembly process

... resulting PANI/mag-netite nanorods prepared by in situ self-assembly method. Asshown in Fig. 2A, PANI/magnetite nanorods has an unique nanorods structure in shape, ca. 80 nm in diameter and ca.600 ... China.a multitude of applications, such as in gas sensitivity, sensors, and inductors [11–13]. In recent years, there has been increas-ing interest in the synthesis of conductive organic/inorganicnanocomposites. ... 2008Available online 10 January 2008AbstractPolyaniline/magnetite nanocomposites consisting of polyaniline (PANI) nanorods surrounded by magnetite nanoparticles were prepared via an in situ self-assembly...

Impact of pH on Anaerobic Substrate Uptake by PAOs and GAOs in an EBPR Activated Sludge Process Analyzed by MAR-FISH

... determine the effect of pH on anaerobic acetate uptake by Candidatus ‘Accumulibacter phosphatis’ and Candidatus ‘Competibacter phosphatis’. Within the tested pH range (initial pH from 6 to 8 and ... by MAR-FISH, and the results are shown in Figs. 5 and 6. Lower initial pH conditions increased anaerobic acetate uptake by Candidatus ‘Accumulibacter phosphatis’ in the second and third experiments, ... shown in Figs. 2, 3 and 4. In all cases, acetate uptake and the release of phosphate were observed. The pH range narrowed down to around 7 and 8 after the incubation, which originally ranged...

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