highly reproducible synthesis of very large-scale tin oxide nanowires

... reports [6,20]. This could offer a suitable application of Please cite this article in press as: N. Van Hieu, Highly reproducible synthesis of very large-scale tin oxide nanowires used for screen-printed ... online xxxKeywords:Gas sensor Nanowires sensor Tin oxide abstractA truly simple procedure was presented for highly reproducible synthesis of very large-scale SnO2 nanowires (NWs) on silicon and ... reserved.doi:10.1016/j.snb.2009.02.043Please cite this article in press as: N. Van Hieu, Highly reproducible synthesis of very large-scale tin oxide nanowires used for screen-printed gas sensor, Sens. Actuators B:...

A simple large scale synthesis of very long aligned silica nanowires

... A simple large-scale synthesis of very long alignedsilica nanowires J.Q. Hu1, Y. Jiang, X.M. Meng, C.S. Lee, S.T. Lee*Department of Physics and Materials Science, Center of Super-Diamond ... SiO2nanoparticles. The high density of SiO2nanoparticles would lead to the concurrentgrowth of a large number of SiO2 nanowires, re-sulting in the congested growth of SiO2 nanowires. The overcrowding ... revealing thediﬀerent growth stages of SiO2 nanowires. Thegrowth of SiO2 nanowires appeared to start fromFig. 2. Room temperature PL spectrum of SiO2 nanowires. Fig. 1. (a) Low-magniﬁcation...

Synthesis of large scale sic–sio2 nanowires decorated with amorphous carbon nanoparticles and raman and PL properties

... origins of severalPL bands were discussed. A synthesis process of SiC–SiO2core–shell nanowires decorated with carbon nanoparticles wasexplained.2. Experiment procedureThe synthesis of SiC–SiO2 nanowires ... core–shell nanostructures of two kinds of nanowires are clearly recognized. The SAED patterns recorded from two kinds of nanowires demonstrate that there are a set of sharp single crys-tal diffraction ... highcarbon content is due to the existence of carbon nanoparticles onthe surface of nanowires. The existence of carbon nanoparticleson the surface of nanowires is also identiﬁed by Raman measure-ment...

synthesis and high gas sensitivity of tin oxide nanotubes

... and Actuators B 131 (2008) 313–317 Synthesis and high gas sensitivity of tin oxide nanotubesG.X. Wanga,b,∗, J.S. Parkb,M.S. Parkb, X.L. Goua,baSchool of Mechanical, Materials and Mechatronic ... the pores of the templateand adhere on the pore walls; (iii) the impregnated template wasdried at 100◦C and then sintered at 500◦C for 3 h to convert the tin hydroxide to tin oxide; (iv) ... 2007AbstractSemiconductor tin oxide (SnO2) nanotubes have been synthesised in bulk quantities using a sol–gel template (AAO membrane) synthetictechnique. The morphology and crystal structure of SnO2nanotubes...

gas - sensing properties of tin oxide doped with metal oxides and carbon

... image of an MWCNTs-doped SnO2sol (c); FE-SEM image of an MWCNTs-doped SnO2(d).Please cite this article in press as: N. Van Hieu, et al., Gas-sensing properties of tin oxide doped with metal oxides ... function of operating temperature of the PtO2-doped SnO2sensors with varying PtO2doping content.Please cite this article in press as: N. Van Hieu, et al., Gas-sensing properties of tin oxide ... Thestepwise decrease of theelectrical resistance of the ﬁlm is very consistent with an increas-ing amount of ethanol oxidation. Greater ethanol oxidation causedthe introduction of more electrons...

hydrothermal synthesis of tungsten oxide nanobelts

... This strategy may offer anopportunity for the further investigation of some fundamentalproperties of 1D tungsten oxides and may also serve as a generalmethod for the synthesis of 1D nanostructure.2. ... intercalation reactivity. However,studies of tungsten oxides nanobelts were comparatively rarebecause of lack of preparation methods for such materials. Very recently, Li et al. met the challenge ... Hydrothermal synthesis of tungsten oxide nanobeltsXuchun Songa,⁎, Yang Zhaob, Yifan ZhengcaDepartment of Chemistry, Fujian Normal University, Fuzhou 350007, P. R. ChinabDepartment of Chemistry,...

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

... 315-318. 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 ... performance of the Fe2O3 nanowires. The inset on the upper rightshows the first cycle charge/discharge profiles.Accepted ManuscriptTitle: One-pot facile synthesis of iron oxide nanowires ... degreeFigure(s)Page 12 of 14Accepted Manuscript2Fig. 2. SEM and TEM images of Fe2O3 nanowires and precursors: (a) SEM image of Fe2O3nanowire precursors. (b) SEM image of Fe2O3 nanowires after...

synthesis of bundled tungsten oxide nanowires with controllable morphology

... lowersupersaturation of the tungsten source, promoting the growth of tungsten oxide nanowires [11]. At higher concentration, the highly saturated WCl6could prohibit the growth of tungsten oxide nanowires ... HRTEM images of bundled tungsten oxide nanowires synthesized at a concentration of 0.003 M; (c) TEM of bundled tungsten oxide nanowires synthesized at a concentration of 0.005 M. Inset in Fig. 2b ... to short nanowires, and finally resulting in shorter and thicker bundlesdue to agglomeration. As indicated in Fig. 2, the resultingFig. 3 – (a) XRD patterns of bundled tungsten oxide nanowires synthesized...

synthesis of highly ordered sno2-fe2o3 composite nanowire arrays

... because of the densifica-tion of the gel during annealing process [25]. The lengths of the nanowires are up to tens of microns, corresponding to the thickness of the AAO template. The surface of ... nanowires looks smooth in large scale images, but, in fact, the nanowires are composed of lots of very small nanoparticles as shown in small scale images. Fig. 2(c) is the EDX spectrum of ... nanopowders of SnO2/Fe2O3 composite[21,22], the synthesis of SnO2/Fe2O3 composite nanowires has not been reported to our knowledge. We have synthesized homogeneous morphology and highly...

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

... ﬁnalproduct.2.3. Synthesis of nanorodsThe mixture for the synthesis of iron oxide nanorods contained5 mL of freshly dried [BMIM][Tf2N], 40 ␮L (0.13 mmol) of oleic acid,43 ␮L (0.09 mmol) of oleylamine ... good capping agents for the synthesis of monodispersed nanoparticles of silver, platinum andiron oxides in the [BMIM][Tf2N] ionic liquid [5,33,34]. Finally, ironoxides have been chosen as ... controlling the formation of nanorods of iron oxide. Thedifferent solubility of precursors, reactive intermediates andnanoparticles in ionic liquid helps to regulate the delivery of agents in different...

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