fabrication and optical properties of ordered sea urchin-like zno
fabrication and optical properties of ordered sea urchin-like zno
... SAED pattern of the sea urchin-like ZnO nanostructures are presented in Fig. 2. Fig. 2a and b displays the low magnification and high magnifica- tion SEM images of the sea urchin-like ZnO nanostructures, respectively. ... (a) and UV–visible optical absorption characteristics (b) of the sea urchin-like ZnO nanostructures. Fig. 2. SEM images (a,b), TEM image (c), H...
Ngày tải lên: 06/05/2014, 13:23
Effects of simultaneous doping with boron and phosphorous on the structural, electronic and optical properties of silicon nanostructures
... effects of size and shape of Si-nc on the incorporation of group-III (B and Al), group-IV (C and Ge) and group-V (N and P) impurities. Single-doping has been investigated both in spherical and faceted-like ... found that the band-gap of the codoped Si-nc is reduced with respect to the gap of the pure ones showing the possibility of an impurity-based engineering of th...
Ngày tải lên: 16/03/2014, 15:15
synthesis and optical properties of colloidal tungsten oxide nanorods
... Synthesis and Optical Properties of Colloidal Tungsten Oxide Nanorods Kwangyeol Lee, Won Seok Seo, and Joon T. Park* National Research Laboratory, Department of Chemistry and School of Molecular ... preparation of soluble and highly crystalline tungsten oxide nanorods of varying sizes by a mild, solution-based colloidal approach. A stirred slurry of 0.70 g of W(CO) 6...
Ngày tải lên: 20/03/2014, 13:08
Báo cáo " Effect of Cr$^{3+}$ concentration on structural and optical properties of ZnAl$_2$O$_4$:Cr$^{3+}$ " ppt
Ngày tải lên: 22/03/2014, 11:20
First principles optical properties of silicon and germanium nanowires
... EMA models. 4. Optical properties of SiNWs and GeNWs In Section 5 of the present paper, we aim to point out the importance of the many-body effects on the optica l re- sponse of some of the studied ... in terms of the different geo- metrical structure of wires grown with different orientation. Finally the comparison of the optical spectra of SiNWs and GeNWs with diame...
Ngày tải lên: 16/03/2014, 15:33
Electronic structure and magneto optical properties of solids v antonov, b harmon, a yaresko
... of recent achievements in the theoretical investigations of the electronic structure, optical, MO, and XMCD properties of compounds and multilayered structures. Chapter 1 of this book is of ... including the MO properties. Chapter 3 of the book presents the MO properties of f band ferromag- netic materials. Sections 3.1 devoted to the MO properties of 4f compoun...
Ngày tải lên: 17/03/2014, 14:51
Báo cáo khoa học: Allosteric and binding properties of Asp1–Glu382 truncated recombinant human serum albumin – an optical and NMR spectroscopic investigation pot
... ligand-binding prop- erties of the whole protein. Here, biochemical characterization by 1 H-NMR relaxometry and optical spectroscopy of a truncated form of HSA (tHSA) encompassing domains I and ... adaptability of HSA involves more than the immediate vicinity of the binding site(s), affecting both the structure and the ligand-binding properties of the whole HSA molecule,...
Ngày tải lên: 23/03/2014, 04:21
controlled synthesis and gas sensing properties of hollow sea urchin like
... surfaces. The diameter of these pits is 5–9 nm. The presence of the pits may be due to the decomposition of ␣-FeOOH and release of H 2 O. Fig. 5a and b show SEM image and XRD pattern of the prod- ucts ... ethanol and (f) hydrogen of different concentrations at 350 ◦ C and relative humidity of 5–18%. Table 1 The linear equations and correlation factor for the chart o...
Ngày tải lên: 05/05/2014, 15:26
evaluation of shape and size effects on optical properties of zno pigment
... and thicknesses of 50 nm. In Fig. 2(c) and (d), FE-SEM images of the submicrorods ZnO is shown. The diameters of ZnO rods are about 100 nm and their ... of nanorod and microrod ZnO pigments are lower than the others. Because of the particle sizes of nanorod and microrod ZnO pig- ments are smalle...
Ngày tải lên: 06/05/2014, 13:23
HÓA HỌC THỰC PHẨM (FPI)
... article focuses on the research of molecular weight of peptides in the FPI; FPI chemical contents and initial examining of two functional properties (foaming, emulsification) of the FPI which is ... moisture. The nature and function properties of the FPI include: the ability to foam and emulsification. Foaming Index of the FPI is 0.77 at pH = 5.5, Emulsifying Activity...
Ngày tải lên: 31/12/2013, 10:33