Báo cáo hóa học: " Formation of tungsten oxide nanostructures by laser pyrolysis: stars, fibres and spheres" ppt
Báo cáo hóa học: " Formation of tungsten oxide nanostructures by laser pyrolysis: stars, fibres and spheres" ppt
... 6:166
http://www.nanoscalereslett.com/content/6/1/166
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NANO EXPRESS Open Access
Formation of tungsten oxide nanostructures by
laser pyrolysis: stars, fibres and spheres
Malcolm Govender
1,2
, Lerato ... levels of the precursor.
In this letter, the formation of W
18
O
49
(= WO
2.72
) and
the effect of the laser power, the wavelength on the
morphol...
Báo cáo hóa học: " Growth of Inclined GaAs Nanowires by Molecular Beam Epitaxy: Theory and Experiment" docx
... theoretical model of Refs. [6, 15] is developed to
describe the growth of inclined NWs and to find explicitly
the dependence of NW growth rate as a function of tilt
angle at given set of deposition ... the contact angle of the drop
b and the drop surface energy c. Under the standard
assumption of a low concentration of group V element (As)
in the drop [2, 4, 25], the value...
báo cáo hóa học: " Inhibition of microglial inflammatory responses by norepinephrine: effects on nitric oxide and interleukin-1β production" pdf
... vitro by the formation of the
nitrogen radical peroxinitrite, while hydrogen peroxide
and superoxide were found ineffective by themselves [31].
Since peroxinitrite is formed by reaction of NO ... are mediated by
β
2-ARs and may involve cAMP
The inhibition of nitrite accumulation by NE was mim-
icked by the β-AR agonist isoproterenol used between 0.1
and 10 µM (Figur...
báo cáo hóa học: " Formation of multinucleated giant cells and microglial degeneration in rats expressing a mutant Cu/Zn superoxide dismutase gene" ppt
... histopathological studies and drafted
the manuscript. QX participated in analysis of histopatho-
logical findings and design of figures and schematics. WS
conceived and directed the study, and completed ... disease, however, most of these
showed signs of deterioration evident by increased irregu-
larity of their shape and nuclear arrangement, as well as by
increased...
Báo cáo hóa học: " Influence of the oxide layer for growth of self-assisted InAs nanowires on Si(111)" ppt
... been
reported for self-assisted InAs. The growth is initiated
either by the formation of openings in the oxide [16] or
by dissolution of oxide by group III materials at the dro-
plet/substrate interface, ... suffi-
cient to destroy the hydrogen passivation and thereby
creating an oxide layer.
The average length and width of the NWs as a function
of oxide regrowth t...
Báo cáo hóa học: " Formation of silicon nanodots via ion beam sputtering of ultrathin gold thin film coatings on Si" pot
... =
A
Au
σ
Au
A
Au
σ
A
u
+
A
Si
σ
S
i
(1)
where A
Au
and A
Si
are the areas under the curves of
Au and Si, respectively, and s
Au
and s
Si
are the labora-
tory elastic scattering cross sections of Au and Si,
respectively.
Figure ... of the gold film, the
second stage follows with the formation of gold silicides
as indicated by the XPS data. It is well-known that gold...
Báo cáo hóa học: " Formation of Ge-Sn nanodots on Si(100) surfaces by molecular beam epitaxy" docx
... substrate was annealed
at 1000°C, and the buffer Si layer was grown at 700°C. The
micromorphology of the grown surfaces was studied by
methods of AFM and STM ex situ.
Results and discussion
The diffraction ... reflection of
high energy electron diffraction, AFM, and STM, it is concluded that molecular beam growth of Ge
1-x
Sn
x
heterostructures with the small concentrations...
Báo cáo hóa học: " Formation of ZnO Micro-Flowers Prepared via Solution Process and their Antibacterial Activity" pptx
... correlated with
zinc oxide [18]. Whereas the bands at 3,200–3,600 cm
-1
corresponds to the O–H mode of vibration and the starching
mode of vibration of C = O and C–O are observed at 1,638
and 1,506 cm
-1
, ... Colorless solution of
zinc acetate di-hydrate and sodium hydroxides pH was
measured by the expandable ion analyzer (EA 940, Orian
made from UK) and it was found th...
Báo cáo hóa học: " Biocompatibility of Graphene Oxide" docx
... effects of graphene oxides on human fibroblast cells and mice with the aim of investigating
graphene oxides’ biocompatibility. The graphene oxides were prepared by the modified Hummers method and
characterized ... to
suffocation in 15% of the GO-exposed mice, and was
not evidence of pulmonary toxicity of GO. In a ddition,
the survival mice treated with 0.4 mg of GO for 24...
Báo cáo hóa học: " Formation of PbSe/CdSe Core/Shell Nanocrystals for Stable Near-Infrared High Photoluminescence Emission" docx
... difference of transmission coefficients of
electron and hole. From the energy levels shown in Fig. 3
[16–18], the expansion probability of electron is bigger
than that of hole because of the lower ... spectra shift to red because of the
enhancement of the Stark effect (Fig. 2).
Fig. 3 LUMO and HOMO structures for 4.8 nm PbSe QDs and
0.35 nm CdSe shell
Fig. 2 Absorption (a)...
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