Flower like silicon nanostructures
Flower like silicon nanostructures
... Physica E 38 (2007) 27–30 Flower- like silicon nanostructures Zhihong Liu a , Jia Sha a,b , Qing Yang a , Zixue Su a,b , Hui Zhang a , Deren Yang a,Ã a State Key Laboratory of Silicon Materials, Zhejiang ... flower -like silicon nanostructure grown by combining the oxidation-assisted growth (OAG) mechanism and the vapor–liquid–solid (VLS) growth mechanism. It is found that the flowe...
Ngày tải lên: 16/03/2014, 15:16
effects of flower - like, sheet - like and granular sno2 nanostructures
... intensity) NaBr400 Pale Flower- like 16.78 71.5 45 19.18 0 NaBr600 White Flower- like 20.52 9.88 25 34.53 0 NaCl400 Gray Sheet -like 19.26 7.46 34.6 24.95 1/3 NaCl600 Pale Sheet -like 25.72 17.7 14.09 ... Physics journal homepage: www.elsevier.com/locate/matchemphys Effects of flower -like, sheet -like and granular SnO 2 nanostructures prepared by solid-state reactions on CO sensing...
Ngày tải lên: 19/03/2014, 16:48
Effects of simultaneous doping with boron and phosphorous on the structural, electronic and optical properties of silicon nanostructures
... of silicon nanostructures. & 2008 Elsevier B.V. All rights reserved. 1. Introduction and computational methods During the last decade, several breakthroughs have boosted the hopes that silicon ... transitions near the band edge are more intense. 5. Codoped silicon nanowires Among one-dimensional semiconducting nanostructures, silicon nanowires (Si-nw) have attracted in the last...
Ngày tải lên: 16/03/2014, 15:15
Phonon assisted tunneling process in amorphous silicon nanostructures and gaas nanowires
... Physica E 40 (2008) 2859–2861 Phonon-assisted tunneling process in amorphous silicon nanostructures and GaAs nanowires P. Ohlckers à , P. Pipinys Vestfold University College, Raveien ... explanat ion of the tempera- ture peculiarities of the I–V characteristics in the amor- phous silicon nanostructures and GaAs nanowires recently published in Refs. [1,9]. 2. Theory and a comparison .....
Ngày tải lên: 16/03/2014, 15:18
(2002)Silicon nanostructures for photonics
... at stacks.iop.org/JPhysCM/14/8253 Abstract Nanostructuring silicon is an effective way to turn silicon into a photonic material. In fact, low-dimensional silicon shows light amplification characteristics, ... electrical properties of the electrolyte /silicon junction, which is very different for p- and n-type-doped silicon [107, 108] (figure 15). In p-type-doped silicon the junction...
Ngày tải lên: 16/03/2014, 15:26
Growth of silicon nanostructures on graphite
... (1993) 15835.(1993) 42. Surface Science 458 (2000) 113–122 www.elsevier.nl/locate/susc Growth of silicon nanostructures on graphite Paul Scheier 1, Bjo ¨ rn Marsen, Manuel Lonfat, Wolf-Dieter Schneider ... HI 96822, USA Received 23 November 1999; accepted for publication 14 February 2000 Abstract Silicon nanostructures such as small clusters, superclusters, and elongated chains, with...
Ngày tải lên: 16/03/2014, 15:34
low temperature hydrothermal synthesis of monodispersed flower - like titanate nanosheets
... Flower- like TiO 2 (calcined 500 o C) (c) Flower- like titanate Fig. 6. Photocatalytic H 2 evolution from water splitting reaction over (a) ST-01 (anatase powder), (b) AS, (c) as-prepared flower -like ... flower -like titanate, and (d) flower -like titanate calcined at 500 °C. 0 100 200 300 400 500 600 700 0 50 100 150 200 250 300 Irradiation time / min H 2 evolved / μ mol g -1 (a)...
Ngày tải lên: 20/03/2014, 13:04
A wurtz like reaction to silicon nanowires
... December 2007 Available online 23 December 2007 Abstract Silicon nanowires have been successfully synthesized via wurtz -like reaction, using silicon tetrachloride and sodium in the presence of Co/Ni catalyzer ... to the (111) lattice parameter of diamond -like crystalline silicon. Based on the experimental results, the possible wurtz reaction mechanism of the silicon nanowires (SiNW...
Ngày tải lên: 16/03/2014, 15:10
Temperature-Controlled Growth of Silicon-Based Nanostructures by Thermal Evaporation of SiO Powders
... of 5% H 2- Ar at a flow rate of 50 sccm. Silicon- based nanostructures with morphologies such as octopuslike, pinlike, tadpolelike, chainlike, and wirelike were formed in different temperature ... show that, besides Si nanowires, many other kinds of Si-based nanostructures such as octopuslike, pinlike, tadpolelike, and chainlike structures were also formed at different temperature zones....
Ngày tải lên: 16/03/2014, 15:30
One dimensional organic nanostructures a novel approach based on the selective adsorption of organic molecules on silicon nanowires
... Surface Science Letters One-dimensional organic nanostructures: A novel approach based on the selective adsorption of organic molecules on silicon nanowires Eric Salomon * , Antoine Kahn Department ... (STM) is used to investigate the formation of one-dimensional organic nanostructures by chemisorption of specific molecules on silicon nanowires. STM data demonstrate that depending on th...
Ngày tải lên: 16/03/2014, 15:35