sub diffraction laser 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 and ... char-
acteristic of cubic silicon with a small impurity of
silica.
Reaction of silicon powder with activated car-
bon in the absence of H
2
, by procedure (ii...
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 ... 2007
Accepted 16 May 2008
Available online 24 May 20 08
Keywords:
Silicon nanowires
Hydrogen radicals
Metal oxide film
Nanoparticles
Silicon nanowires (SiNWs) were synthesized through the h...
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....
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...
Growth kinetics of silicon nanowires by platinum assisted vapour–liquid–solid mechanism
... formed when using
Fig. 1. Synthesis of Si nanowires using Au and Pt as catalysts. (a) Vertically-aligned Si nanowires using Au. (b) Vertically-aligned Si nanowires using Pt. Si nanowires using Pt
are ... 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 lin...
Optical spectroscopy of silicon nanowires
... properties of the SiNWs
synthesized by laser ablation at high temperature,
including the Raman scattering behavior and the
temperature dependence of PL.
The synthesis of the SiNWs was carried out by
laser ... USA
b
Institute of Physics, University of Tsukuba, Tsukuba, Ibaraki 305, Japan
Received 16 December 2002; in final form 13 March 2003
Abstract
Silicon nanowires (SiNWs...
Temperature dependence of the quality of silicon nanowires produced over a titania supported gold catalyt
... °C. Silicon nanowires
produced at this temperature have a well-crystal-
lized silicon core with a very thin amorphous sili-
con dioxide outer layer. The length of the
nanowires is in the range of ... and
quality of the products obtained as a function of temperature.
Ó 2003 Elsevier B.V. All rights reserved.
1. Introduction
Silicon nanowires (SiNWs) have been widely
studied...
A study in the growth mechanism of silicon nanowires with or without metal catalyst
... typical sample of
synthesis of SiNWs without a metal catalyst [17]. In this case,
the SiO
x
vapor decomposes into Si atoms, which act as the
nuclear of SiNWs covered by shells of silicon oxide.
Metal-assisted ... the
catalytic growth. However, the growth of silicon nanowires with sulfide is chiefly affected by the compound decomposition, gas stream, and
temperature differenc...
Infrared spectra of silicon nanowires
... 200030, People's Republic of China
b
State Key Lab of Silicon Materials, Zhejiang University, Hangzhou 310027, People's Republic of China
c
Department of Physics, Zhejiang University, ... Sample-III
was grown on a p-type (111) silicon wafer with a resistivity of
∼ 0.001 Ω cm at the position of higher temperature in the same
system of Sample-II. The diameter of th...
Dimensional evolution of silicon nanowires synthesized by au–si island catalyzed chemical vapor deposition
... tips of the NWs seem to be
Au–Si droplets in Fig. 1(d). The diameters of the NWs are
similar to those of the Au–Si droplets. The existence of a
critical Au film thickness for initiation of NW ... 2006
Abstract
This study explores the nucleation and morphological evolution of silicon nanowires (Si-NWs) on Si (0 0 1) and (1 1 1) substrates
synthesized using nanoscale Au–Si island...
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