Báo cáo hóa học: " Synthesis and Tribological Properties of WSe2 Nanorods" ppt

... Foundation of China (Grant Nos. 60778040, 10804036, 60878039), the Science and Technology Bureau of Key Program for Ministry of Education (Item No. 207025), and the Development of the Science and Technology ... best friction -and- wear properties. Tribological experiments indicated that the effect of WSe 2 nanorods as lubrication additive could be attribute to the molecule-...

Ngày tải lên: 22/06/2014, 01:20

... measurements and data analysis, and drafted the manuscript. DG and DX made the conception and design of the manuscript. ZZ2 carried out the XPS measurements and data analysis. JLZ and ZZ1 participated ... experiment and theroy, such as, Mn [5,6], Gd [7], and Cr [8,9]. Compared with GaN, ZnO has a lot of outs tanding superiorities, as is known to all, which has a wide band-...

Ngày tải lên: 20/06/2014, 22:20

... 120, and 180 min, respectively Fig. 7 a The decomposition of the PL spectrum of the SiNWs treated with HF and the PL intensity varieties of the elementary bands with b H 2 O 2 concentrations and ... the optical properties of the porous SiNWs. Figure 6a and b display the PL spectrums of the porous SiNWs with different H 2 O 2 concentrations and etching Fig. 2 SEM and TE...

Ngày tải lên: 21/06/2014, 08:20

... process, corre- sponding to the one band of the v1 mode and two bands of the v3 mode (C 3v symmetry), respectively [24]. The ATR- FTIR spectra of starting materials and c-Fe 2 O 3 SNTs show similar ... physical and chemical properties based on their high intrinsic anisotropy and surface activity [4, 5]. Especially, understanding the correlation between the magnetic properties...

Ngày tải lên: 21/06/2014, 17:20

... mmol) CoCl 2 Á6H 2 O were dissolved in the solvent composed of 80 ml of water and 40 ml of ethanol. After that, 7.3 g (24 mmol) of sodium oleate and 7 ml of oleic amine were added into the above solution ... Hysteresis loop of the as-synthesized CoFe 2 O 4 nanoparticles measured at a 300 K, b 10 K Table 1 Comparison of magnetic properties of the as-synthesized cobalt fer...

Ngày tải lên: 21/06/2014, 18:20

... results of XRD and TEM, the FTIR and FT-Raman spectra of the HAp show the absorption bands characteristic of hydroxyapatite. XPS results provide the additional evidence for the successful doping of ... Constantin 3 and Daniela Predoi 1* Abstract Synthesis of nanosized particle of Ag-doped hydroxyapatite with anti bacterial properties is in the great interest in the devel...

Ngày tải lên: 20/06/2014, 23:20

... details 1 Laboratory of Condensed Matter Spectroscopy and Opto-Electronic Physics, and Key Laboratory of Artificial Structures and Quantum Control (Ministry of Education), Department of Physics, Shanghai ... Template synthesis of an array of nickel nanotubules and its magnetic behavior. Adv Mater 2001, 13:1631-1633. 18. Li DD, Thompson RS, Bergmann G, Lu JG: Template-bas...

Ngày tải lên: 21/06/2014, 04:20

... analysis, and drafted the manuscript. LS and PB conceived of the study. HA, ES, LA, and LS participated in the analysis and in the production of a final version of the manuscript. All authors read and ... the majo rity sp in and a semiconductor-like behavior for the minority spin. The band structures of the SL for spin up and spin down are depicted in Figure 2c. A band g...

Ngày tải lên: 21/06/2014, 05:20

... the growth angle effect of the films for optical properties. The thickness of the ZnO thin films was c heck ed by FE- SEM and was fixed at 100 nm. Three growth angles (0°, 15°, and 30°) of the columnar ... cross- section view of the 0° growth-angle d columnar ZnO film. Columnar ZnO f ilms with angles of 15° and 30° are shown in Figure 2b-1, c-1. To get a magnified view of t...

Ngày tải lên: 21/06/2014, 17:20

... method of functionalizing QDs is simple and can avoid complicated synthesis and characterization of the intermediate products of QDs, when reactions are performed on the QD surfaces. A number of ... prepared, and few microlitres (10–50 lL) of these solutions were added to the different sets of 3 mL solution of CdTe QDs. In a typical synthesis of CdTe–Dendrimer conjug...

Ngày tải lên: 21/06/2014, 20:20