Báo cáo hóa học: " Hydrothermal synthesis of MnO2/CNT nanocomposite with a CNT core/porous MnO2 sheath hierarchy architecture for supercapacitors" potx
... amorphous MoS
2
nanofiber bundles
via acidification of ammonium heptamolybdate tetrahydrate
G. Nagaraju Æ C. N. Tharamani Æ G. T. Chandrappa Æ
J. Livage
Received: 16 March 2007 / Accepted: 10 August 2007 ... and co-workers
G. Nagaraju Á G. T. Chandrappa (&)
Department of Chemistry, Central College Campus, Bangalore
University, Bangalore 560001, India
e-mail: gtchandrappa@yahoo.co.in
C....
... hexagonal and tetragonal
phases. Rare earth orthophosphate with hexagonal phase
shows a highly anisotropic structure and is favorable for
the crystal growth along a certain direction and form ... characterization.
Physical Characterization
The X-rays powder diffraction (XRD) patterns of all
samples are performed on a Bruke/D8-Advance with CuKa
radiation (k = 1.540 A
˚
), whose...
... Technology
Research and Development Program of China (Grant No.
2007AA021805), and the National Key Project for Basic Research
(Grant No. 2005CB623605), People’s Republic of China for financial
support.
Open ... into a Teflon-lined autoclave. The autoclave
with its content was kept in an oven at 150 °C for 10 h,
24 h, or 48 h. At the end of the hydrothermal treatment, the
as-o...
... cross-sectional FE-SEM images of AZO nanostructure arrays fabricated on FTO substrates in an
Al concentration of 4 mM solution. Scale bar, 300 nm. (c) The EDS spectrum of AZO nanostructure array sample fabricated ... demonstrate the performance
enhancement of the IOSCs based on the flake-l ike AZO
nanostructures acting as an ETL and a possible electron
acceptor. By doping and varyin...
... C. At a rate of 20 C, the capacity of the nano-Li
4
Ti
5
O
12
powders was still high: 112
mAh g
−1
. This outstanding performance at high rates was much better than that
afforded by any of ... Li metal foil as the negative electrode, operating at 0.3
mV/s. Clear cathodic and anodic peaks appeared at approximately 1.46 and 1.7 V,
respectively, for the Li intercalation/deintercal...
... Wen Nan
3
and
Helen Lai Wah Chan
2
Abstract
A large quantity of ultrafine tetragonal barium titanate (BaTiO
3
) nanoparticles is directly synthesized at room
temperature. The crystalline form and ... A1 (1LO))
whichvanishesabove5°Crevealsthatitisafeatureof
orthorhombic phase. A sharp peak 169 cm
-1
which
appears at very low temperature an d vanishes at - 90°C
shows that it is a chara...
... Nikolopoulou A, Papoulis D, Komarneni S, Tsolis-Katagas P, Panagiotaras D,
Kacandes GH, Zhang P, Yin S, Sato T: Solvothermal preparation of TiO
2
/
saponite nanocomposites and photocatalytic activity. Appl ... participated in the acquisition of data and drafted the manuscript. FQ
carried out the SEM characterization and participated the analysis and
interpretation of data. ZL and HJY h...
... diethyldithiocarbamate,
for shell formation (Figure 3a) . Slow addition of the air-stable ZnS precursor
(diethyldithiocarbamate) at elevated temperature allowed shell formation on the surface of
each particle, ... experiments and analyzed the data. YK, and SJ
analyzed the data and discussed the analysis. YK, and SJ designed the experiments. YK and
SJ wrote the manuscript. All author...