... intense and sharp diffraction peaks (Fig. 1a)
are observed, indicative of high-degree crystallinity. On the other
hand, the as-synthesized h- WO
3
with the NH
4
+
-based EDTA sam-
ple showed broader ... bundles and urchin-like structure crystalline h-
WO
3
samples were synthesized through hydrothermal reaction of
Na
2
WO
4
· 2H
2
O, HCl and Na
+
-orNH
4
+
-based EDTA salt solu...
... peaks of
␣-FeOOH become slightly weak, along with the weakening of
␣-Fe
2
O
3
peaks, which indicates the transition from ␣-FeOOH
to ␣-Fe
2
O
3
.
Fig. 2 shows the X-ray diffraction pattern of the ... Journal of Alloys and Compounds 433 (2007) 216–220
Hydrothermal synthesis and characterization of ␣-FeOOH and
␣-Fe
2
O
3
uniform nanocrystallines
Xiaohe Liu
a,b
, Guanzhou Qi...
... with de®nite composition. A number
of papers dealing with the hematite formation under
hydrothermal conditions have been published [1±6].
It is the aim of this paper to report on the synthesis of
hematite ... 689±692
hydrothermal treatment was carried out at 120
C
for 3.5 h, with stirring.
.
D. Hematite powder was obtained also by the
hydrothermal processing of a water±goet...
... inherent growth habit and hydrothermal preparation
conditions. The structure of rutile consists of chains of TiO
6
octahedra along the c-axis [23]. The TiO
6
octahedra in the chain
connect through ... chain
connect through one shared edge, while the TiO
6
octahedra
between two chains connect through points, which implies that
the chemical band in the chain is stronger than that betw...
... at temperatures of ‡ 45 °C.
The precursor peptide H- Bip–l-3,4-dehydro-Pro-OH
(H- Bip–DPro-OH) for
3
H- labeling was synthesized as
follows. Boc–Bip-OH was converted to Boc–Bip– N-hy-
droxysuccinimide ... out with 4 m HCl ⁄ dioxane to give
H- Bip–DPro-OH as its hydrochloride. Precipitation from
isopropanol ⁄ ethyl ether gave the H- Bip–DPro–OHÆHCl in
high purity (‡ 98%, checked by TLC,...
... Kim Do. Hydrothermal
synthesis and characterization of self- assembled h- WO
3
nanowires/nanorods using EDTA salts. J Alloys Compd
2009;475:446–51.
[20] Albiter MA, Huirache-Acuña R, Paraguay-Delgado ... Synthesis and characterization of WO
3
nanostructures prepared
by an aged -hydrothermal method
R. Huirache-Acuña
a,b,
⁎
, F. Paraguay-Delgado
c,1
,M.A.Albiter
d
,J.Lara...
... [20]. The difference of the reflectance
might be the effect of synthesis conditions, such as thickness of metal film and SiH
4
gas
flow. The reduction of reflectance is very helpful to improve the solar ... were obtained to 2.3 mA/cm
2
and 520 mV, respectively.
These values were higher than that of the hetero-junction SiNWs synthesized on metal
foil [4] and that of the homo-ju...
... determination of unit cell and space group.
Incoherent imaging techniques such as STEM with the High-
Angle-Annular-Dark-Field detector (STEM-HAADF) were
used for the investigation of the shape of the nanowires ... electrical characterization, (c) ED pattern of nanowire, (d) STEM-HAADF image of a nanowire, and (e) linescan of the
HAADF signal (solid line) and numerical fit...
... procedures
Materials
N-a-Fmoc-
L
-amino acids, 4-hydroxymethylphenyloxy
(HMP) resin, and reagents used for solid-phase chemical
synthesis of Pi4 were purchased from Perkin-Elmer.
Organic solvents ... Ca(NO
3
)
2
,0.41CaCl
2
, 2.4 NaHCO
3
,
15
N-2-hydroxy-
ethylpiperazine-N¢-ethanesulphonic acid (Hepes), pH 7.4
with NaOH]. The plasmids were cleaved with SmaI
(Shaker B), Not1(ratKv1.1),Xb...