a rapid hydrothermal synthesis of rutile sno2 nanowires

... xxx–xxxContents lists available at ScienceDirectMaterials Science and Engineering Bjournal homepage: www.elsevier.com/locate/mseb A rapid hydrothermal synthesis of rutile SnO2 nanowires O. Lupan a, b,∗, ... selectedarea electron diffraction, X-ray diffraction and Raman spectroscopy. The SEM images reveal tetragonal nanowires of about 10–100 ␮m in length and 50–100 nm in radius. The Raman scattering peaks ... 3Eu, are infrared (IR) active and two modes of A 2g, and B1u,areinactive [23].Fig. 4 shows the Raman spectra of the nanowires in thewavenumber range (300–850 cm−1). Raman spectra of SnO2ﬁlmsand...

large-scale hydrothermal synthesis of wo3 nanowires in the presence of k2so4

... the nanowires reached a high aspect ratio of morethan 500. A TEM image of a single nanowire with diameter of about10 nm was shown in Fig. 1c. The selected area electron diffraction(SAED) taken ... semiconductor nanowires, nanorods, and nanobelts,because of the importance of understanding the dimensionalityconfined transport phenomena and fabricating nanodevices andnanosensors [1–4]. Many attempts ... hydrothermal synthesis of ultralong and single-crystalline Cd(OH)2 nanowires using alkali salts as mineralizerswas reported by Tang et al. [20]. The 1D nanostructure synthesis using inorganic...

controllable hydrothermal synthesis of zno nanowires arrays on al-doped zno

... www.elsevier.com/locate/apsuscControllable hydrothermal synthesis of ZnO nanowires arrays on Al-doped ZnOseed layer and patterning of ZnO nanowires arrays via surface ... ZnO-NWZenlarge extremely with the increase of the hydrothermal tempera-ture as compared to that of the ZnO-NWA. A reasonable explanationis that the small ... attractive applications. For example, itcan be used as a potential material for nanodevice assembly andapplications in blue-UV light emitters [4] and...

hydrothermal synthesis of monodisperse wo3 - h2o square platelet particles

... Hydrothermal synthesis of monodisperse WO3·H2O square platelet particlesFumiyuki Shiba a, ⁎, Masakazu Yokoyama a , Yousei Mitab,Tomohiro Yamakawab, Yusuke Okawa a aGraduate School ... mean size was 0.72 μm with 10% of the coefficient of variation. The XRD patternwas in good agreement with the standard JCPDS data for WO3·H2O. The effects of counter cation and anion of ... objectiveparticles was estimated by a gravimetric analysis, in whichprecipitates fairly separated from soluble salts and gel-likeresiduals were heated to dehydrate at 750 °C for 30 min andthen...

hydrothermal synthesis of na2ti6o13 and tio2 whiskers

... nanobelts [7].The crystal structures of alkali-metal titanates, A 2TinO2n+1are well-known. All of them have a monoclinic structure with almost the same b value[4,8]. Alkali-metal titanates ... One-dimen-sional materials are an important category of nanostructured materials [1,2] and have beenwidely researched, yielding various special struc-tures such as nanowhiskers [3–5], nanowires [6]and ... a high alkali-metal content (n ¼ 2; 3; 4) are open-layered struc-tures having layers made of titanate groups heldtogether by alkali-metal ions. They can be used ascation exchangers and catalysts...

hydrothermal synthesis of tio2 nanofibres

... TiO2(anatase)powder was put into a Teflon-lined stainless steel autoclave of 30 ml capacity. The autoclave was filled with 1 M NaOHsolutions up to 80% of its capacity, maintained at 160 °C for24 h, and then ... TEM images of TiO2nanofibres. (A) Scale bar=1 μm; (B) scale bar=167 nm; (C) scale bar=286 nm; (D) scale bar=200 nm; (E) scale bar = 3.3 μm.81F B. Zhang, H L. Li / Materials Science and Engineering ... 11 January 2006; accepted 5 February 2006Available online 20 March 2006AbstractTiO2nanofibres were synthesized by the hydrothermal method. The result shows that the growth of TiO2nanofibres...

hydrothermal synthesis of tungsten oxide nanobelts

... andother materials have been already synthesized in various ways[6–10], the preparation of nanobelts under mild conditionsremains a considerable challenge.WO3is a versatile wide band-gap ... nanostructures,nanobelts have attracted increasing attention because of theirunique physical properties and potential applications [1–5].Although some nanobelts made of semiconductors, metals, ... 2006Available online 3 April 2006AbstractTungsten oxide nanobelts have been hydrothermally fabricated at 180 °C for 12 h with sodium sulfite and cetyltrimethylammonium bromide(CTAB) as assisted,...

hydrothermal synthesis of uniform wo3 submicrospheres

... communication Hydrothermal synthesis of uniform WO3submicrospheresusing thiourea as an assistant agentX.T. Su a , F. Xiao a , J.L. Lin a , J.K. Jianb, Y.N. Li a , Q.J. Sun a , J.D. Wang a, ⁎ a Ministry ... distilled water and ethanol repeatedly to removethe ions possibly remaining in the final products, and finallydried at 60 °C in air for 60 min.X-ray analysis was made with a Rigaku D/max-ga diffrac-tometer, ... submicrospheres have been synthesized withtungsten acid and HCl as the starting materials and thiourea as a structure-directing agentthrough a facile hydrothermal method. The obtained products were characterized...

low temperature hydrothermal synthesis of monodispersed flower - like titanate nanosheets

... temperature hydrothermal synthesis of monodispersed ﬂower-like titanatenanosheetsJaturong Jitputti a , Thitima Rattanavoravipa a , Surawut Chuangchote a , Sorapong Pavasupreeb,Yoshikazu Suzuki a , ... hydrother-mally treated samples prepared at P80 °C show a poorly crystal-line titanate. The peak at around 2h % 9° indicated that titanatehas a layer structure with an interlayer distance of ca.1.0 nm. ... Suzuki a , Susumu Yoshikawa a, * a Institute of Advanced Energy, Kyoto University, Uji, Kyoto, 611-0011, JapanbDepartment of Materials and Metallurgical Engineering, Faculty of Engineering, Rajamangala...

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

... materials, especially 1D structured materials, is a feasible approach to improve its properties as an anode material, because nanostructured Page 3 of 14Accepted Manuscript 3materials can ... disclaimers thatapply to the journal pertain.Page 1 of 14Accepted Manuscript 1One-pot facile synthesis of iron oxide nanowires as high capacity anode materials for lithium ion batteries Hao ... α-Fe2O3 nanowires material appears to be a promising candidate as a high capacity anode material for lithium ion batteries. 4. Conclusions α-Fe2O3 nanowires were successfully prepared by a hydrothermal...

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