Báo cáo hóa học: " Fabrication of Carbon Nanotube/SiO2 and Carbon Nanotube/ SiO2/Ag Nanoparticles Hybrids by Using Plasma Treatment" pptx

... Raman spectra of pure ZW and C-ZW nanorods. (b) Magnified Raman spectra showing D and G bands by carbon coating in C-ZW nanorods. (By HW Shim et al.). Figure 4 Representative TEM images of C-ZW nanorods.(a, ... onto the surface of each pure ZW (Fig- ures 4b, c), without deposition of isolated carbon islands by excess carbon pile-up. This resulted in the formation of a...

Ngày tải lên: 20/06/2014, 23:20

... Research Foundation of Korea funded by the Ministry of Education, Science and Technology (R31-2008-000-10105-0). This work was supported by the National Research Foundation of Korea (NRF) grant funded by the ... details 1 Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang, Korea. 2 School of Interdisciplinary Bioscience a...

Ngày tải lên: 21/06/2014, 04:20

... Lett (2009) 4:1384–1388 1385 123 NANO EXPRESS Fabrication of Carbon Nanotube/SiO 2 and Carbon Nanotube/ SiO 2 /Ag Nanoparticles Hybrids by Using Plasma Treatment Haiqing Li Æ Chang-Sik Ha Æ Il ... 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@SiO 2 /Ag. Similarly,...

Ngày tải lên: 22/06/2014, 00:20

... entrap- ment and/ or delivery of a variety of biological agents [8]. Alginate is a co-polymer extracted from some types of brown algae and it is made up of two uronic acids: D-mannuronic acid and L-guluronic ... (200 lg/mL of sodium alginate and 200 lg/mL of Fig. 1 FIB image of the as-grown CNT array Nanoscale Res Lett (2009) 4:668–673 669 123 NANO EXPRESS Combination of...

Ngày tải lên: 22/06/2014, 00:20

... consists of carbon. Figure 3b is a TEM image of the free- standing Au/CNFs. The dark spots in the image are Au nanoparticles. The inset of Fig. 3b is the SEM image of Au/CNTs in the ... compositions of the imaged area co-insist with Au and carbon in addition to the aluminum oxide. Although some reports claimed that the formation of carbon nanostructures via the carboniza-...

Ngày tải lên: 21/06/2014, 20:20

... flexible PET film by hot embossing lithography with high fidelity and without any defects . Due to the slightly tapered profile of the patterns of the Si master mold and elastic nature of the hot embossing ... substrate and curved acryl substrate with high fidelity using UV nanoimprint lithography. Experimental procedure Fabrication of flexible UV nanoimprint mold Figure 1...

Ngày tải lên: 21/06/2014, 02:20

... demonstrated the fabrication of HfO 2 /GaAs patterns with nanoscale resolution using He-Cd laser interference lithography and dry etching using a combi- nation of CF 4 and O 2 plasmas. The etched ... formation of tapered H fO 2 etch profiles. Optimi- sation of the CF 4 plasma composition and etch bias Figure 4 Schematic of the HfO 2 nanostructuring process.(a) Schemati...

Ngày tải lên: 21/06/2014, 03:20

... presided over and fully participated in all of the work. CC and JK participated in the preparation of the samples. SY helped in characterization of the samples. SC give the idea of the study and finalize ... and the cross-sectional image (Figure 4d) reveal the formation of a thin nanoporous layer on the top surface of TNT and show the rough- ness of TNT walls. Some of...

Ngày tải lên: 21/06/2014, 04:20

... prepatterning of Al substrates, thus avoiding fabrication of the expensive hard imprint stamp. How- ever most of them have limitations in scalability or size of ordered domains. Consequently, a simple and ... Taiwan. 2 Department of Materials Science, National University of Tainan, Tainan 700, Taiwan. Authors’ contributions MHH and ICL planned and supervised the research p...

Ngày tải lên: 21/06/2014, 05:20

... quantity; c 0 and c are MB concentrations before and after mixing, respectively; A 0 and A are absorbencies of the MB solution before and after mixing, respectively; V is the volume of the solution, and ... adsorption property of the product for MB was measured by the MB concentration change before and after adsorption. The concentration of MB was detected using an UV–...

Ngày tải lên: 21/06/2014, 17:20