Báo cáo hóa học: " Synthesis of Polymer Grafted Magnetite Nanoparticle with the Highest Grafting Density via Controlled Radical Polymerization" docx

... (2009) 4:1090–1102 1095 123 NANO EXPRESS Synthesis of Polymer Grafted Magnetite Nanoparticle with the Highest Grafting Density via Controlled Radical Polymerization Kothandapani Babu Æ Raghavachari ... surface coating of the polymer chains on the surface of the particles. The thickness of the grafted polymer layer increases with increasing p...

Ngày tải lên: 21/06/2014, 20:20

... 0.308 nm in the periph- eral zones of the particle. The two different types of the lattice fringes correspond well to the {101} planes of YVO 4 (JCPDS no. 72–0274) and the {101} planes of YBO 3 (JCPDS ... photoluminescence enhancement of the heteronanostructures. Figure 6 shows the plot of change of PL intensity of the 5 D 0 – 7 F 2 emission at 620 with th...

Ngày tải lên: 21/06/2014, 20:20

... Figure 4 shows the dependence of the error floor values on the number of users in channels with correlated Rician and Nakagami paths. The Rician channel model has the same parameters as the channel ... correlated (even for channels with independent fading paths [2, 10]). This increases the complexity in determining the pdf of β. Therefore, we will use (18) and the p...

Ngày tải lên: 23/06/2014, 01:20

... (Fig. 4b). Furthermore, the atomic ratios of nickel/oxygen in the NiO fibers and zinc/oxygen in the ZnO fibers are near to the theoretical ratio of NiO and ZnO of 1:1. The XRD patterns of the NiO and ... amount of gas products. The release of these gases from the core of the impregnated fibers to the outside could produce a large number of pores in the resid...

Ngày tải lên: 22/06/2014, 01:20

... important prerequisite for the applications of UCNPs is the availability of small and monodisperse nanoparticles [1]. Recently, the synthesis of various inorganic nanoparticles in normal microemul- sions ... measurements revealed that the as-prepared nanoparticles were spherical, monodisperse with a uniform size of 20 nm, and of cubic phase with good crystallinity. Fur...

Ngày tải lên: 20/06/2014, 22:20

... limita- tion of the polymeric membrane is that at elevated tem- peratures, the performance of the membrane will lose because of the segmental flexibility [9]. Therefore, the separation membranes with ... confirms the presence of silicalite nanoparticles in the PFA polymer. Thermogravimetric analysis of the silicalite nanocrys- tals, PFA, and silicalite-PFA compos...

Ngày tải lên: 20/06/2014, 23:20

... nature of the hot embossing process of the fluorinated polymer, the hot -embossed patterns on the PET films were slightly smaller than the patterns of the Si master mold. The SEM micrographs of the ... repli- cated onto the fluorinated polymer- coated flexible PET film by hot embossing lithography with high fidelity and without any defects . Due to the slightly...

Ngày tải lên: 21/06/2014, 02:20

... generation of nanoparticles. Some of these nanopar- ticles aggregate and then get deposited on the surface of the specimen [8]. Vapor condensation starts with nucleation, proceeds with growth of supercritical nucleus ... Magnetic nanoparticles with diameter in the order of few nanometers were attached to the nanofi- brous structure. Increasing the repetition rate of...

Ngày tải lên: 21/06/2014, 03:20

... the intrinsic properties of such films is difficult. Properties of the interface s between the film and other components of the device can obscure the intrinsic properties of the film, and the interfacial ... differ- ent area of the sample stage in the SEM. Regardless of the bundle’ s origin, the image demonstrates just how transparent, and therefore thin, th...

Ngày tải lên: 21/06/2014, 04:20

... Co. The outer walls of the CNT align themselves with the lattice fringes of the a-alumina nanoplatelet. The middle micrograph is a magnification of the boxed region from the left micrograph. The ... section view of a CNT root at the support surface. The (Co) catalyst particle resides in the core of the tube. The fringes at the base of the particle c...

Ngày tải lên: 21/06/2014, 04:20