one - pot facile synthesis of iron oxide nanowires as high capacity anode
one - pot facile synthesis of iron oxide nanowires as high capacity anode
... date: 1 1-8 -2 009 Please cite this article as: H. Liu, D. Wexler, G. Wang, One- pot facile synthesis of iron oxide nanowires as high capacity anode materials for lithium ion batteries, Journal of Alloys ... right shows the first cycle charge/discharge profiles. Accepted Manuscript Title: One- pot facile synthesis of iron oxide nanowires as high...
Ngày tải lên: 20/03/2014, 13:05
synthesis of iron oxide nanorods and nanocubes in an imidazolium ionic liquid
... liquid Imidazolium [BMIM][Tf 2 N] Iron oxide Iron carbonyl abstract This paper reports the synthesis of iron oxide nanostructures with well-defined shapes, including rod, cube, and sphere, in 1-butyl-3-methylimidazolium ... precipitate was collected as the final product. 2.3. Synthesis of nanorods The mixture for the synthesis of iron oxide nanorods contained 5 mL o...
Ngày tải lên: 20/03/2014, 13:08
Formation of silicon oxide nanowires directly from au si and pd–au si substrates
... thin films with thicknesses of 3 nm deposited on Si (0 0 1) substrates were used as catalysts for the growth of nanowires. High- yield synthesis of SiO x nanowires was achieved by a simple heating ... 158–162 Formation of silicon oxide nanowires directly from Au/Si and Pd–Au/Si substrates Hyun-Kyu Park a , Beelyong Yang a , Sang-Woo Kim a,Ã , Gil-Ho Kim b , Doo-Hyeb Youn c...
Ngày tải lên: 16/03/2014, 15:16
a rapid hydrothermal synthesis of rutile sno2 nanowires
... symmetry. The products consisted of nanowires as well as nanoparticles. The diameters of tin oxide nanowires are in the range of 70–150 nm with lengths of the order of 20–100 m. When the ratio between ... NH 4 OH is as high as 1:20 we obtain long tetragonal square-based nanowires. Experiment results showed that the molar ratio of (1:20) made the hydrolysis occur...
Ngày tải lên: 19/03/2014, 16:47
facile synthesis of porous a - fe2o3 nanorods and their application in ethanol sensors
... hydrolysis of iron salts to form iron oxyhydroxide (FeOOH). Then the porous R-Fe 2 O 3 nanorods were obtained by the calcination of as- prepared R-FeOOH at 300 °Cfor2h.The as- obtained porous R-Fe 2 O 3 nanorods ... distribution of 1-1 0 nm, resulting in a high specific surface area of 221.9 m 2 · g -1 . A possible growth mechanism of the porous R-Fe 2 O 3 nanorods was...
Ngày tải lên: 19/03/2014, 16:48
hydrothermal synthesis of tungsten oxide nanobelts
... Tungsten oxide; Nanobelts 1. Introduction As a new family of one- dimensional (1D) nanostructures, nanobelts have attracted increasing attention because of their unique physical properties and potential ... WO 3 has a high potential for the use in elec- trochemical devices, such as rechargeable lithium batteries, based upon its rich chemical intercalation reactivity. However, stud...
Ngày tải lên: 20/03/2014, 13:04
simple and rapid synthesis of a-fe2o3 nanowires under ambient conditions
... synthesize 1-D hematite ( α -Fe 2 O 3 ) nanostructures in the form of NWs with a length of 1 5 μ m. It was shown that the iron wire after heat treatment consisted of layers of different iron- containing ... growth of α -Fe 2 O 3 with a high density on the surface of the iron wire was found at temperatures of about 700 °C. Formation of NWs was detected even afte...
Ngày tải lên: 20/03/2014, 13:07
facile synthesis of zno micro-nanostructures with controllable morphology and
... reflectance of denser urchin-like ZnO was low at 18% in the visible region. When the as- synthesized ZnO micro- nanostructures were used as the anode of the ... pH was controlled at 10 (Fig. 1d). However, this urchin-like ZnO was comprised of needle-like ZnO nanowires, and the sizes and amounts of ZnO...
Ngày tải lên: 06/05/2014, 13:23
solution-based synthesis of efficientwo3 sensing electrodes for high
... H 2 O 2 and UV-ozone treatment was examined. A YSZ sheet was immersed into 30% H 2 O 2 for 12 h and another one was treated with UV-ozone for 30 min. No monoclinic ZrO 2 was iden- tified on either ... Alfa Aesar) was mixe d with ␣-terpineol to form a paste, which was then painted on top of the Pt lead wires on the sensor platform (Fig. 1b) The WO 3 layer was spread over as much YSZ as...
Ngày tải lên: 20/03/2014, 13:07
facile synthesis and no2 gas sensing of tungsten oxide nanorods assembled microspheres
... surface area was measured using physical adsorption/desorption of Kr on a Quan- tachrome AUTOSORB-1-MP facility. 2.3. Gas sensing measurements The gas sensors were made by drop-casting method. ... [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...
Ngày tải lên: 19/03/2014, 16:48