Báo cáo hóa học: "Synthesis of freestanding HfO2 nanostructures" ppt
Báo cáo hóa học: "Synthesis of freestanding HfO2 nanostructures" ppt
... creation
of two-dimensional freestanding nanostructures is of spe-
cial interest. Most device applications entail the use of
materials in the form of thin films. Determining the
intrinsic properties of ... sides of
HfO
2
nanosheets. (a) Wide view image of a curled sheet with a
portion broken off. Bright and dark sides are both visible. (b) Close-
up of the bright side. The s...
Báo cáo hóa học: " Synthesis of NaYF4:Yb3+, Er3+ upconversion nanoparticles in normal microemulsions" pdf
... light of orange color
on the whole (Figure 3B).
It is noted that the as-prepared nanoparticles are cubic
phase, whose fluorescence efficiency is at least one-order
of magnitude less than that of ... spectrum (Figure 5) was obtained after ultraso-
nic dispersion of a 1 wt.% solution of the products in n-
hexane, compared with the spectrum of nanoparticles
before annealing, its gree...
Báo cáo hóa học: " Synthesis of silicalite-poly(furfuryl alcohol) composite membranes for oxygen enrichment from air" docx
... selection of a pair of polymer and inorganic material
* Correspondence: huanting.wang@monash.edu
1
Department of Chemical Engineering, Monash University, Clayton, Victoria,
3800, Australia
Full list of ... O
2
permeability of 1,550 Barrers and an O
2
/N
2
separation of 2.98 [29]. In our case, high gas permeabil-
ity may be contributed from diffusion of gas t hrough
large pores (...
Báo cáo hóa học: " Synthesis of magnetic nanofibers using femtosecond laser material processing in air" ppt
... rapid
onset of self-assembly of the nanoparticle chains (or
nanofibers).
The laser pulse repetition rate plays a critical role in
the formation of nanofibrous like structure. Figure 2
shows SEM images of ... below
the Curie temperature of the sample to form magnetic
nanofibers. The total magnetization of a nanofiber is
given b y the vectorial sum of all single magnetic
moments...
Báo cáo hóa học: "Synthesis of carbon nanotubes with and without catalyst particles" doc
... amount of synthesis r outes
and variations were developed. Most of these were
based on the use of catalyst particles, including the che-
mical vapour deposition (CVD) route. CVD synthesis of
CNT ... tube. The fringes at the base of the particle correspond to the (200) lattice fringes of cubic Co. The outer walls of the CNT align
themselves with the lattice fringes of the a-alu...
Báo cáo hóa học: " Synthesis of long group IV semiconductor nanowires by molecular beam epitaxy" doc
... the first types of NWs are rarely
higher than the overgrown Ge layer, while for the second
type of NWs, the part of the NWs that surpasses the
overgrown Ge layer can reach a length of 2 μmwhenthe
growth ... physical origin of the
growth direction dependence on the NW length, we
examined the sidewalls of both types of NWs, as shown
in Figure 4. The <111>-oriented Si NWs con...
Báo cáo hóa học: " Synthesis of multi-walled carbon nanotube/ polyhedral oligomeric silsesquioxane nanohybrid by utilizing click chemistry" pptx
... the presence of POSS
molecules on the surface of the MWNTs. The
MWNT-POSS nanohybrid showed a typical electronic
Figure 4 TEM images and EDX spectra of nanohybrid. (a) TEM
images of MWNT-POSS ... respectively.
Thedifferenceinweightlossofalkyne-functionalized
MWNTs and the MWNT-POSS nanohybrid is attributed
to the presence of POSS molecules on the surface of the
MWNTs [24,25]. TGA...
Báo cáo hóa học: " Synthesis of long group IV semiconductor nanowires by molecular beam epitaxy" ppt
... growth of the NWs was achieved from
the sublimation of Si or Ge at a deposition pressure of
10
-9
mbar. In order to grow th e NWs, the Si(111) sur-
face was heated either at 550°C for the growth of ... the first types of NWs are rarely
higher than the overgrown Ge layer, while for the second
type of NWs, the part of the NWs that surpasses the
overgrown Ge layer can reach a lengt...
Báo cáo hóa học: " Synthesis of Bio-Compatible SPION–based Aqueous Ferrofluids and Evaluation of RadioFrequency Power Loss for Magnetic Hyperthermia" docx
... precipitation of the oxide. The rate of reaction was
controlled by allowing one drop of ammonia per second to
react with this solution until a pH of 10, to get a thick dark
precipitate. Five grams of citric ... alternating
magnetic field of 500 gauss as a function of applied fre-
quency is calculated.
Acknowledgments Authors thank Dr. Ildico Guhr and Prof.
G. Schatz University o...
Báo cáo hóa học: " Synthesis of ZnGa2O4 Hierarchical Nanostructure by Au Catalysts Induced Thermal Evaporation" pdf
... Foundation of China (No.50671099, 50172048, 10374090
and 10274085), the Ministry of Science and Technology of China
(No.2005CB623603), and the Hundred Talent Program of Chinese
Academy of Sciences.
Open ... the side surface of Ga
2
O
3
nanowires, which may
derive from the difference of surface energy of Ga
2
O
3
crystal planes. Orderly arrange of Au nanoparticles on the
spec...