... composed of many small Fe3O4 nanoparticles It demonstrates that the small Fe3O4 nanoparticles have self-assembled into Fe3O4 spherical aggregated particles The size of these small Fe3O4 nanoparticles ... nanoparticles (usually \10 nm) So, the Fig Room-temperature magnetization curve of Fe3O4 spherical nanoporous particles ¨ Fig Room-temperature Mossbauer spectrum of...
Ngày tải lên: 22/06/2014, 00:20
... behavior of Au WO3 thin films under various applied voltages has been also studied Experimental details Sol–gel Au doped WO3 thin films were prepared using the following procedure At first, g of sodium ... The obtained value of η has been also reported for other WO3 compound films including WO3 Fe2O3 [33] and WO3 SiO2 [34] According to Fig 2a, the optical bandgap of the pure...
Ngày tải lên: 20/03/2014, 13:04
Báo cáo hóa học: " Enhanced electrochemical properties of fluoride-coated LiCoO2 thin films" pot
... profiles of the thin films (a) Discharge capacities and cyclic performances of pristine and fluoridecoated LiCoO2 thin films, (b) discharge profile of the pristine film, (c) discharge profile of ... Enhanced electrochemical properties of fluoride-coated LiCoO2 thin films Hye Jin Lee1, Seuk Buom Kim1, and Yong Joon Park*1 Department of Advanced Materials Engineeri...
Ngày tải lên: 20/06/2014, 23:20
Preparation of chitosan magnetite composite beads and their application for removal of Pb(II) and Ni(II) from aqueous solution
... magnets The synthetic procedure of composite beads was schematically presented in Fig 3.2 Application of chitosan/ magnetite composite beads for removal Ni(II) and Pb(II) in solution 3.2.1 Isotherm adsorption ... lines of composite patterns indicated that Results and discussion 3.1 Characterization of chitosan/ magnetite composite beads 3.1.1 Morpho...
Ngày tải lên: 02/07/2014, 14:14
Structure and properties of lead zirconate titanate thin films by pulsed laser deposition
... the deposition and growth structure of the thin films They are listed as bellow: 1) Laser power, wavelength, pulse length and repetition rate; 2) Interaction of laser with target such as laser ... Physics, 97, 073905 (2005) W C Goh, K Yao and C K Ong, Effects of microstructure on the properties of ferroelectric lead zirconate titanate (PZT) thin films, A...
Ngày tải lên: 16/09/2015, 08:31
Preparation of oriented molybdenum disulfide thin films for photoelectrochemical energy havesting applications
... crystals of LTMDs, the PEC properties of atomically thin crystals of LTMDs remain elusive In this thesis, the preparation and characterization of large area atomically thin films of molybdenum disulfide ... performance of MoS thin films These include application of a proper bias and chemical passivation of the samples VI List of Tables Chapter Introduction Ta...
Ngày tải lên: 30/09/2015, 10:13
Báo cáo hóa học: " Fabrication of Carbon Nanotube/SiO2 and Carbon Nanotube/ SiO2/Ag Nanoparticles Hybrids by Using Plasma Treatment" pptx
... diameter of ca nm) The further evidence of the existence of Ag nanoparticles is provided by EDS (Fig 3e), which reveals the presence of S and Ag on the surface of SWCNT @SiO2/Ag Similarly, by using ... analysis was performed using an OXFORD ISIS system attached to the SEM 123 1386 Results and Discussion Plasma Treatment of SWCNT and Fabrication of SWCNT@SiO2...
Ngày tải lên: 22/06/2014, 00:20
Báo cáo hóa học: " Excellent Field Emission Properties of Short Conical Carbon Nanotubes Prepared by Microwave Plasma Enhanced CVD Process" doc
... any of the above reports This is important because CNTs prepared by low temperature plasma CVD process have many structural defects For example, CNTs prepared by PECVD process using any hydrocarbon ... TEM micrographs of short conical CNTs (a) low magnification image, (b) magnified view of the shortest conical CNTs, (c) highly magnified view of tip, and (d) typical HRTE...
Ngày tải lên: 22/06/2014, 06:20
Báo cáo hóa học: " Excellent Field Emission Properties of Short Conical Carbon Nanotubes Prepared by Microwave Plasma Enhanced CVD Process" pot
... any of the above reports This is important because CNTs prepared by low temperature plasma CVD process have many structural defects For example, CNTs prepared by PECVD process using any hydrocarbon ... TEM micrographs of short conical CNTs (a) low magnification image, (b) magnified view of the shortest conical CNTs, (c) highly magnified view of tip, and (d) typical HRTE...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo y học: "Functional diversity of HIV-1 envelope proteins expressed by contemporaneous plasma viruses" potx
... followed by a period often lasting many years, in which both the diversity of the env sequences and the evolutionary distance from the initially dominant strain increase linearly by approximately 1% ... only Dual Plasma U373-X4 cells 1000 100 10
Ngày tải lên: 13/08/2014, 06:20
Improvement of mechanical properties of mesoporous ultra low k thin films after NH3 plasma treatment
... of NH3 Plasma Treatment on Mechanical Properties of Porous Low- k Thin Films 71 4.1 Effects of NH3 Plasma Treatment on the Mechanical Properties of ZIRKON LK2200 TM Porous Low- k ... Porous Low- k Thin Film 52 2.4.3 NH3 Plasma Treatment 53 2.4.4 Characterization of the Improvement of Mechanical Properties of Porous Low- k Thin...
Ngày tải lên: 09/10/2015, 11:18
Tài liệu Báo cáo khóa học: Non-specific depolymerization of chitosan by pronase and characterization of the resultant products pptx
... residue using the mean residual weight of GlcNAc [24] Further characterization of chitosan and the depolymerization products Further characterization of chitosan and the depolymerization products ... spectra of chitosan and LMWC Table Characteristics of chitosan and low-molecular weight chitosan (LMWC), and the percentage yield of the dep...
Ngày tải lên: 19/02/2014, 12:20
Báo cáo " Preparation of nano-structural MnO2 in ethanol-water media coated on calcinated laterite and study of its arsenic adsorption capacity " docx
... Percentage concentration of ethanol in MnSO4 solution and EP2: Percentage concentration of ethanol in KMnO4 solution Table showed strong effect of ethanol concentration in reagents’ solution on MnO2 ... solution became colorless Arsenic adsorption test Let MnO2 coated materials contact with arsenic solution Then concentration of arsenic in water phase was det...
Ngày tải lên: 14/03/2014, 10:20
Báo cáo " Growth of CdS thin films by chemical bath deposition technique " pptx
... (311) planes of cubic CdS [10] Fig Typical X-ray diffractogram of CdS thin films as grown Inset shows XRD pattern of the CdS thin films reported in [9] Table Standard ASTM card for CdS [10] 2θ ... spectra of thin films growth by the spray pyrolysis technique consist of a characteristic red band centered at about 698 nm The apparition of this red band may...
Ngày tải lên: 14/03/2014, 13:20
preparation of fe2o3 submicro - flowers by a hydrothermal approach
... through a hydrothermal method using Span80 or L113B as a soft template [17] Wan et al have proposed a soft-template-assisted hydrothermal route to prepare single crystal nanorods with an average diameter ... the X-ray wavelength, β the half-peak width, θ the Bragg angle in degrees, and k is the shape factor (often assigned a value of 0.89), the primary crystal shape of the hem...
Ngày tải lên: 20/03/2014, 13:06