Báo cáo hóa học: " Synthesis and Cytotoxicity of Y2O3 Nanoparticles of Various Morphologies" docx

... nanoparticles [58–61], nanorods [59], nanowires [47], nanotubes [48, 62], and 264 Nanoscale Res Lett (2010) 5:263–273 123 NANO EXPRESS Synthesis and Cytotoxicity of Y 2 O 3 Nanoparticles of Various Morphologies Tamar ... characterization, and cytotoxicity of nanoparticles of different morphologies of yttrium oxide, a promising material for biological imaging appl...

Ngày tải lên: 22/06/2014, 00:20

... by recording the variations of the absorption-band maximum (553 nm) in the UV–Vis spectrum of RhB. Results and Discussions Morphology and Structure of Obtained Products The morphology of the product is ... octahedron-like structure of Bi 2 WO 6 , which has an average size of *4 lm and consists of many quasi-square nanosheets. The effect of pH value of the precursor sus...

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

... stretched and aligned along the direction of the sample's tilting. For the synthesis of the conductive nanowire, DNA molecules were treated with AN-AuNPs of 60 µL for 30 min; AN-AuNPs of 60 ... Foundation funded by the Ministry of Science & Technology (Project No. 2007-01582). 1 Synthesis and characteristics of NH 2 -functionalized polymer films to align...

Ngày tải lên: 20/06/2014, 23:20

... basis of a trigonal structure of space group ¯ R3m with monoclinic C2/m phase as expected. The morphologies and electrochemical properties of the samples obtained were compared as the value of x and ... results and wrote the paper. JS, HP, JWK, and KK participated in the characterization of samples and carried out experiments. VM contributed to the technical discussions. A...

Ngày tải lên: 20/06/2014, 23:20

... maximum of BeO is of lower energy than that of ZnO, while the conduction band minimum of BeO is of higher energy than that of ZnO [32]. In such case, a potential well for both electron and hole ... nature of BeO shell, which is composed of many island-shape grains with random orientations to the ZnO core. Accordingly, a rather rough edge of the BeO shell is observed. Magni...

Ngày tải lên: 21/06/2014, 00:20

... with- out further purification and all experiments were carried out using distilled water. Synthesis of CdSe and CNT-CdSe composite Synthesis of CdSe For the synthesis of CdSe compound, the sodium ... wavelength at 400-800 nm, assigned to the band adsorption of CdSe. And the absorption of CNT-CdSe composite is higher than that of CdSe compound in both of UV light an...

Ngày tải lên: 21/06/2014, 03:20

... 1,220 and 1, 066 cm -1 . Procedure for surface modification of nanoparticles A solution of carboxylic acid (150 mg) in 5 mL chloroform was added to a reaction vesse l containing a dispersion of “ ... 6:423 http://www.nanoscalereslett.com/content/6/1/423 Page 3 of 6 NANO EXPRESS Open Access Synthesis and characterisation of biologically compatible TiO 2 nanoparticles Richar...

Ngày tải lên: 21/06/2014, 03:20

... derivative of both curves of the hysteresis loops (heating and cooling) and considering the mean value. Results and discussion Structural characterization The crystal structure of the three sets of films ... toward the conduction band. Since intrinsic VO 2 thin film is of n-type, introduction of ion donors c ause an inevitable degradation of the transmittance (and resisti...

Ngày tải lên: 21/06/2014, 04:20