Carbon assisted synthesis of silicon nanowires
Carbon assisted synthesis of silicon nanowires
... 2003 Abstract Carbon- assisted synthesis of silicon nanowires has been accomplished with silicon powders as well as solid sub- strates. The method involves heating an intimate mixture of silicon powder ... Carbon- assisted synthesis of silicon nanowires Gautam Gundiah, F.L. Deepak, A. Govindaraj, C.N.R. Rao * Chemistry and Physics of Materials Unit and CSIR Centr...
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 ... online 24 May 20 08 Keywords: Silicon nanowires Hydrogen radicals Metal oxide film Nanoparticles Silicon nanowires (SiNWs) were synthesized through the hydrogen radical -assisted depositio...
Ngày tải lên: 16/03/2014, 15:13
sub diffraction laser synthesis of silicon nanowires
... West Lafayette, Indiana 47907. We demonstrate synthesis of silicon nanowires of tens of nanometers via laser induced chemical vapor deposition. These nanowires with diameters as small as 60 nm are ... these obstacles. Here, we demonstrate synthesis of silicon nanowires with diameters of 60 nm via laser induced chemical vapor deposition (CVD). We produce nanowires by...
Ngày tải lên: 06/05/2014, 08:54
sub diffraction laser synthesis of silicon nanowires
... West Lafayette, Indiana 47907. We demonstrate synthesis of silicon nanowires of tens of nanometers via laser induced chemical vapor deposition. These nanowires with diameters as small as 60 nm are ... these obstacles. Here, we demonstrate synthesis of silicon nanowires with diameters of 60 nm via laser induced chemical vapor deposition (CVD). We produce nanowires by...
Ngày tải lên: 06/05/2014, 08:58
Synthesis of Silicon nanowires for sensornanowires for sensorapplications
... species detection Silicon nanowires: top down approach Silicon nanowires: top - down approach • Synthesis method • Fabrication of silicon nanowires based resistors • Fabrication of nanowires Thin ... species detection Silicon nanowires: top down approach Silicon nanowires: top - down approach • Synthesis method • Fabrication of silicon nanowires based...
Ngày tải lên: 12/05/2014, 22:52
Polymer assisted synthesis of aligned amorphous silicon nanowires and their core shell structures with au nanoparticles
... con- version of diamond-like carbon phase from polymer phase [15]. TEM analysis of carbon films prepared by the heat-treatment of PPC above 600 °C confirmed that the carbon pha se was composed of small carbon ... 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 re...
Ngày tải lên: 16/03/2014, 15:06
Growth kinetics of silicon nanowires by platinum assisted vapour–liquid–solid mechanism
... HRTEM image of Si nanowire using Au. (d) HRTEM image of Si nanowire using Pt. Both were single crystal. (e) EDS line mapping of Si nanowires using Au catalyst. (f) EDS line mapping of Si nanowires ... degrade the performance of Si nanowire devices even if it diffuses into the nanowires. Some studies have reported on the growth of Si nanowires using Pt with a precursor of...
Ngày tải lên: 16/03/2014, 15:05
Synthesis and characterization of silicon nanowires using tin catalyst for solar cells application
... silicon nanowires were synthesized for solar cells application. Voluminous silicon nanowires were fabricated on single crystalline silicon wafer. Optical reflectance and solar cell efficiency of ... the synthesized silicon nanowires were explored. The reflectance of as-synthesized silicon nanowires was obtained approximately 5% in the short wavelength region (λb 500 nm). A...
Ngày tải lên: 16/03/2014, 15:12
Optical spectroscopy of silicon nanowires
... shows the Raman scattering spectra of the SiNWs and crystal silicon. A very sharp and Fig. 1. A typical SEM image of the morphology of aligned silicon nanowires of uniform diameter distribution ... Optical spectroscopy of silicon nanowires Jifa Qi a, * , John M. White a , Angela M. Belcher a , Yasuaki Masumoto b a Department of Chemistry and Biochemistry, University of...
Ngày tải lên: 16/03/2014, 15:06
Temperature dependence of morphology and diameter of silicon nanowires synthesized by laser ablation
... oxide exceeded the growth rate of crystal silicon, outer layer of silicon oxide will surround the crystal sil- icon. As a result, the growth of crystal silicon ceased and silicon oxide of outer layer coalesced together ... The peculiar feature of the branch suggests that there may exist a competitive growth between crystal silicon core and outer layer of silicon oxide....
Ngày tải lên: 16/03/2014, 15:09