synthesis of bundled tungsten oxide nanowires with controllable morphology
synthesis of bundled tungsten oxide nanowires with controllable morphology
... Synthesis of bundled tungsten oxide nanowires with controllable morphology Shibin Sun a,b, ⁎ , Zengda Zou a , Guanghui Min a a School of Materials Science and Engineering, ... successful synthesis of ultra-thin bundled tungsten oxide nanowires via a solvothermal method. In addition, the morphology and phase transforma- tion behaviour of the ultra-thin bund...
Ngày tải lên: 20/03/2014, 13:08
Polymer assisted synthesis of aligned amorphous silicon nanowires and their core shell structures with au nanoparticles
... the high dispersion of Au nanoparticles on the surface of the SiNWs without any aggregation. The formation of the SiNWs was explained on the basis of the reaction of carbon with the native silica layer ... of SiNWs are obtained by heating a Si substrate coated with carbon nanoparticles at 1050 °C under vacuum [11]. Wherein, the role of carbon is to react with the oxide p...
Ngày tải lên: 16/03/2014, 15:06
synthesis and optical properties of colloidal tungsten oxide nanorods
... properties of the oxide nanorod itself as well as of inorganic derivatives prepared from the oxide. Herein we report a simple large-scale preparation of soluble and highly crystalline tungsten oxide ... dimension of oxide nanorod is directly transferred to the resulting WS 2 nanotube after reaction with H 2 /H 2 S. Thus far, preparation of single-crystalline, 1-D nanostru...
Ngày tải lên: 20/03/2014, 13:08
Preparation and photoluminescence of high density siox nanowires with fe3o4 nanoparticles catalyst
... SiOx nanowires consist of Si and O elements in an atomic ratio of approximately x=1.4–1.7. The vapor–liquid–solid (VLS) mechanism is the main formation mechanism of SiOx nanowires. The SiOx nanowires ... been developed to prepare silicon oxide nanowires. Since the majority of silicon oxide nanowires fabrication methods are catalyst-based methods, different kinds of catal...
Ngày tải lên: 16/03/2014, 15:11
gas sensing properties of nanocrystalline tungsten oxide synthesized by acid
... ammonia gas sensing prop- erties of nanocrystalline tungsten oxide with and withoutplatinum doping under different processing conditions. 2. Experimental Tungsten trioxide powder was prepared by ... calcinations are in the range of 30–150 nm. The gas sensing properties of these powders in the form of thick film were investigated with and without platinum doping. Gas response...
Ngày tải lên: 19/03/2014, 16:48
nitrogen - doped tungsten oxide nanowires
... high-quality tungsten oxide nanowires on a Si wafer. The growth of the WO 3 nanowires is conducted by the VS mechanism, in which tungsten oxide vapor can be generated by reducing the tungsten oxide ... electrical properties of tungsten oxide reported that the resistivity of amorphous tungsten oxide is about 10 6 W cm and that of the crystallized WO 3 is about 1...
Ngày tải lên: 20/03/2014, 13:05
stability of anodic aluminum oxide membranes with nanopores
... properties of the AAOMs prepared in sulphuric acid and phosphoric acid are similar with that of the AAOMs prepared in the oxalic acid. In the stability studies of the AAOMs, a sulphuric acid with 1 ... 440–444 www.elsevier.com/locate/pla Stability of anodic aluminum oxide membranes with nanopores S.G. Yang a,∗ ,T.Li a ,L.S.Huang a ,T.Tang a , J.R. Zhang a ,B.X.Gu a ,Y.W.Du a ,...
Ngày tải lên: 20/03/2014, 13:08
Synthesis of large scale sic–sio2 nanowires decorated with amorphous carbon nanoparticles and raman and PL properties
... origins of several PL bands were discussed. A synthesis process of SiC–SiO 2 core– shell nanowires decorated with carbon nanoparticles was explained. 2. Experiment procedure The synthesis of SiC–SiO 2 nanowires ... surface morphology. It is obvious that such high carbon content is due to the existence of carbon nanoparticles on the surface of nanowires. The existence of...
Ngày tải lên: 16/03/2014, 15:08
facile synthesis and no2 gas sensing of tungsten oxide nanorods assembled microspheres
... report the synthesisof tungsten oxide nanorods assembled microspheres by a facile hydrothermal method. To our knowledge, there isno report on thegas sensing of the microsphere- like tungsten oxide ... [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,...
Ngày tải lên: 19/03/2014, 16:48
highly reproducible synthesis of very large-scale tin oxide nanowires
... responses of all the measured sensors are increased linearly with increasing of concentration of ethanol gas with a small fluctuation. The linear dependence of the response to ethanol gas of Q1D ... 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 nano...
Ngày tải lên: 19/03/2014, 16:48