... Nanoscale Res Lett (2009) 4:948–954
123
NANO PERSPECTIVES
Ultra-fast Microwave Synthesis of ZnO Nanowires and their
Dynamic Response Toward Hydrogen Gas
Ahsanulhaq Qurashi Æ N. Tabet Æ M. Faiz Æ
Toshinari ... direction and the ZnO [0001] has the
highest energy of the low-index surface which results in the
formation of 1D ZnO nanowires.
Gas Sensing Performan...
... dependence of nanorod absorption
and scattering on their aspect ratio, size, and medium
refractive index using DDA simulation method.
This article focuses on the synthesis of silver nano-
structures of ... *420, and *330 nm. The
band at *330 nm is attributed to the out -of- plane quad-
rupole resonance. The band at *800 and *420 nm are
due to in-plane dipole resonance (longi...
... reports of the responsiveness to change of the PPME
were identified.
Acceptability and feasibility
MacKnight et al. [41] reported the acceptability and feasi-
bility of the PPME in a sample of 19 ... measurement error and
MCID for the EMS, HABAM and PPME scores. The limit of
agreement is a more conservative estimate of measure-
ment error than the MDC
90
. The MDC
90
and...
... high-yield synthesis of 2-dimensional cupric oxide (CuO) nanodiscs through
dehydrogenation of 1-dimensional Cu(OH)
2
nanowires at 60°C. Most of the nanodiscs had a diameter of
approximately 500 nm and ... low-temperature synthesis of
phase-pure 2-D CuO-interlaced nanodiscs was demon-
strated using simple dehydrogenation of 1-D Cu(OH)
2
nanowires at 60°C in solution. The...
... author and conceived of the study, carried out the
conception and design, synthesis and experiments, characterization, acquisition
of data, analysis and interpretation of data, and drafting of the ... between 20 and 22°C and a pressure of 1 atm. The
pH of the solution varies as a function of HAuCl
4
concentration. Nernst
equation describes potential of electroc...
... G-band and D-
band of MWCNT clearly change with PPy coating,
demonstrating the interfacial interactions between the
MWCNT and PPy [31]. Interestingly, polaron mode
shifted from in 1,048 cm
-1
of ... surface of MWCNT core. The MWCNT diameter
and PPy thickness are estimated to be around 31.7 nm
and 6 nm, respectively. When the ratios of PPy/MWCNT
were changed to 4:6 and 5:5, t...
... semiconductor ZnO is also investigated, since the
band gap and the energetic position of the valence band
maximum and conductio n band minimum of ZnO are
very close to that of TiO
2
[8]. Most of these ... contamination of the fed gas and high-energy
bombardment of the film surface. Thermal evaporation
in a high-vacuum atmosphere seems to be better as a
preparation techni...
... squared
frequency response
a: Critical band 1
b: Critical band 2
c: Critical band 3
d: Critical band 4
e: Critical band 5
f: Critical band 6
g: Critical band 7
h: Critical band 8
a
b
c
d
e
f
g
h
(a)
0
0.1 ... critical band structure: (a) critical bandwidth as a
function of center frequency, (b) critical band rate as a function of
center frequency.
the index of sets having same bandwid...
... C
2
H
2
and NH
3
feed-
stocks in a dc PECVD reactor. The partial dissociation of
C
2
H
2
and NH
3
led to the formation of H
2
, HCN, H
2
O and
N
2
species. The presence of excited neutral and ionized
species ... temperature
synthesis of VA-CNTs.
Large-scale Monte Carlo simulations [37] of SWNT
synthesis showed that PECVD methods were more suitable
for low temperature sy...
... ALD of
ZnO. Inset: Raman spectrum in the range of 150–650 cm
-1
of ZnO-
coated CNTs
Fig. 1 a TEM image of PECVD-grown CNTs. b TEM image of ALD ZnO- coated CNTs. c and d SEM images of ALD ZnO- coated ... sp
2
-hybridized carbon and a D band at
*1346 cm
-1
originating from disordered carbon [17, 18].
In addition to the D band, the D
0
band as a shoulder of the
Fig. 2 Rama...