synthesis of large-scale uniform mulberry-like zno particles with
synthesis of large-scale uniform mulberry-like zno particles with
... concentration, large-scale mulberry-like ZnO particles with uniform size were obtained, while with the reduction of TEA, some larger size and irregular ZnO appeared and the sizes of mulberry-like ZnO particles ... formation of (a) ZnO and TEA; and (b) TEA and TEA. Fig. 7. Growth of Candida albicans (a) without the treatment of ZnO; (b) with the treatment...
Ngày tải lên: 06/05/2014, 13:27
rational synthesis of ultrathin n type bi2te3 nanowires with enhanced thermoelectric properties
... compound nanowires. For the synthesis of Te nanowires, 20 mL of ethylene glycol is added to a three-neck flask equipped with a standard Schlenk line, followed by adding of 0.2 g of polyvinyl- pyrrolidone ... obtained after the first step of the reaction show the formation of uniform Te nanowires with an average diameter of 5 nm. The uniformity of the Te nanowires is de...
Ngày tải lên: 06/05/2014, 08:54
rational synthesis of ultrathin n type bi2te3 nanowires with enhanced thermoelectric properties
... compound nanowires. For the synthesis of Te nanowires, 20 mL of ethylene glycol is added to a three-neck flask equipped with a standard Schlenk line, followed by adding of 0.2 g of polyvinyl- pyrrolidone ... obtained after the first step of the reaction show the formation of uniform Te nanowires with an average diameter of 5 nm. The uniformity of the Te nanowires is de...
Ngày tải lên: 06/05/2014, 08:58
facile synthesis of zno micro-nanostructures with controllable morphology and
... growth of ZnO, and results in the mor- phology of ZnO changing from “wire” to “flower”, “urchin” and “wire” with the addition of different amounts of ... agreement with the direct wide band gap (3.37 eV) of ZnO. 3.4. Application of ZnO micro-nanostructure in DSSC Fig. 4 compares the I–V characteristics...
Ngày tải lên: 06/05/2014, 13:23
Polymer assisted synthesis of aligned amorphous silicon nanowires and their core shell structures with au nanoparticles
... analytic results of the morphology and microstructure confirmed the orientation and the amorphous nature of the SiNWs, and the high dispersion of Au nanoparticles on the surface of the SiNWs without any ... will lead to a large amount of carbon nanoparticles having high chemical activity. The growth of SiNWs may start from the reaction of the active carbon nanoparticles with th...
Ngày tải lên: 16/03/2014, 15:06
Synthesis of large scale sic–sio2 nanowires decorated with amorphous carbon nanoparticles and raman and PL properties
... Synthesis of large-scale SiC–SiO 2 nanowires decorated with amorphous carbon nanoparticles and Raman and PL properties Ryongjin Kim a,b , Weiping Qin a, * , Guodong Wei a , Guofeng Wang a , ... possible synthesis mechanism of SiC–SiO 2 core–shell nano- wires decorated with carbon nanoparticles was proposed. Ó 2009 Published by Elsevier B.V. 1. Introduction In connection with t...
Ngày tải lên: 16/03/2014, 15:08
hydrothermal synthesis of monodisperse wo3 - h2o square platelet particles
... was 0.72 μm with 10% of the coefficient of variation. The XRD pattern was in good agreement with the standard JCPDS data for WO 3 ·H 2 O. The effects of counter cation and anion of the starting ... distributions of properties such as response time, precise controls of properties, regular arrangement of particles on electrode, etc. Hydrothermal synthesis from Na 2 WO 4 in...
Ngày tải lên: 19/03/2014, 16:48
hydrothermal synthesis of uniform wo3 submicrospheres
... are monodisperse with a diameter of about 800–1000 nm. The morphology of the products gradually evolutes from rods to spheres with increase of the reaction time. The formation mechanism of the WO 3 submicrospheres ... solu bility of WO 3 is influenced by the pH value of solution. In our experiments, the rod- shaped WO 3 particles could decompose into primary nano- particlesd...
Ngày tải lên: 20/03/2014, 13:04
synthesis of bundled tungsten oxide nanowires with controllable morphology
... with uniform size occurred, and they appeared to be composed of small bundles. Fig. 2c is a corresponding TEM image of the bundles synthesized at the concentration of 0.005 M. In comparison with ... EDX profile of bundles synthesized at concentration of 0.007M. Fig. 2 – (a) TEM and (b) HRTEM images of bundled tungsten oxide nanowires synthesized at a concentration of 0.003...
Ngày tải lên: 20/03/2014, 13:08
synthesis of hollow microspheres constructed with fe2o3 nanorods
... spacings of 0.27 and 0.37 nm are con- sistent with the d values of the (1 04) and (01 2) planes of ␣-Fe 2 O 3 with a hexagonal structure, respectively. In order to understand the formation process of ... patterns of the iron oxide precursor syn- thesized by the hydrothermal reaction of FeCl 3 with H 2 Oat140 ◦ C for 12 h in the presence of Na 2 SO 4 and the products obtain...
Ngày tải lên: 20/03/2014, 13:08