simple and rapid synthesis of a-fe2o3 nanowires under ambient conditions
simple and rapid synthesis of a-fe2o3 nanowires under ambient conditions
... Simple and Rapid Synthesis of α -Fe 2 O 3 Nanowires Under Ambient Conditions Albert G. Nasibulin 1 （ ） , Simas Rackauskas 1 , Hua ... propose a simple method for the efficient and rapid synthesis of one-dimensional hematite ( α - Fe 2 O 3 ) nanostructures based on electrical resistive heating of iron wire under ambient conditions. ... α -Fe 2 O 3 nan...
Ngày tải lên: 20/03/2014, 13:07
A simple large scale synthesis of very long aligned silica nanowires
... simple large-scale synthesis of very long aligned silica nanowires J.Q. Hu 1 , Y. Jiang, X.M. Meng, C.S. Lee, S.T. Lee * Department of Physics and Materials Science, Center of Super-Diamond and ... spectroscopy, and photoluminescence. The obtained SiO 2 nanowires had no metal contaminations, ultralong lengths of millimeters, and most diameters of $50 nm. The PL spect...
Ngày tải lên: 16/03/2014, 15:03
Carbon assisted synthesis of silicon nanowires
... the area of inorganic nanowires and nanotubes in the last few years [1–3]. Thus, nanowires of a variety of inorganic materials including oxides, nitrides and chalcogenides have been synthes ized and characterized. ... Carbon-assisted synthesis of silicon nanowires Gautam Gundiah, F.L. Deepak, A. Govindaraj, C.N.R. Rao * Chemistry and Physics of Materials Unit and C...
Ngày tải lên: 16/03/2014, 15:04
Synthesis of silicon nanowires after hydrogen radical treatment
... Synthesis of silicon nanowires after hydrogen radical treatment Minsung Jeon ⁎ , Koichi Kamisako Department of Electronic and Information Engineering, Tokyo University of Agriculture and ... the well-known nanotubes and nanowires, have been utilized extensively in the various fields of nanoscale optical and electronic devices [2–5]. In particular, silicon nanowires (SiNW...
Ngày tải lên: 16/03/2014, 15:13
Molecular dynamics simulations of the tensile and melting behaviours of silicon nanowires
... simulations of the tensile and melting behaviours of silicon nanowires Yuhang Jing à , Qingyuan Meng, Wei Zhao Department of Astronautical Science and Mechanics, Harbin Institute of Technology, ... interatomic potential consists of two- and three-body interaction terms and were originally fitted to describe the crystalline and liquid silicon phases. This potential consist...
Ngày tải lên: 16/03/2014, 15:18
![Structures and electronic properties of si nanowires grown along the [1 1 0] direction role of surface reconstruction](https://media.store123doc.com/images/document/14/rc/td/medium_tdu1394959072.jpg)
Structures and electronic properties of si nanowires grown along the [1 1 0] direction role of surface reconstruction
... character can be understood in terms of the projection of energy band in bulk Si and confinement effect: the confinement decreases the energy of HO states and in- creases the energy of the LU states, ... potential of an Si (H) atom, n Si (n H ) is the number of Si (H) atoms, and e z is the zero-point energy of Si–H vibrations. The value of l Si is equal to that in bulk Si...
Ngày tải lên: 16/03/2014, 15:37
large-scale hydrothermal synthesis of wo3 nanowires in the presence of k2so4
... WO 3 ; Nanowires; K 2 SO 4 1. Introduction Over the past few years, much effort has been devoted to the synthesis of semiconductor nanowires, nanorods, and nanobelts, because of the importance of understanding ... with diameter of about 100 nm. With the addition of 15 g K 2 SO 4 , the morphologies of synthesized WO 3 shown in Fig. 4b are the mixture of nanorods and nanop...
Ngày tải lên: 20/03/2014, 13:04
Polymer assisted synthesis of aligned amorphous silicon nanowires and their core shell structures with au nanoparticles
... of the SiNWs, and 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 ... spectra of the aligned nanowires (a) and the particle-linked wires (b). Fig. 3. (a) Low magnification TEM image of SiNWs; (b) TEM image of a single particle-linked wire; (c...
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
... source for synthesis of this nanostructure. Strong enhancement of blue emission band and appearance of a new yellow emission band were observed from this novel nanostructure. Structure and Raman ... agreement with the results of XRD and TEM. Two peaks centered at $1337 and $1592 cm À1 often called as D- and G-band, respectively confirm the existence of car- bon [22–25]. T...
Ngày tải lên: 16/03/2014, 15:08
Synthesis and characterization of silicon nanowires using tin catalyst for solar cells application
... at λb 700 nm [20]. The difference of the reflectance might be the effect of synthesis conditions, such as thickness of metal film and SiH 4 gas flow. The reduction of reflectance is very helpful to ... performance. Therefore, further reduction of the reflectance will be expected from the optimization of the synthesis conditions of SiNWs. For analysis of the electrical prop...
Ngày tải lên: 16/03/2014, 15:12