Báo cáo hóa học: "Fabrication of Large Area Periodic Nanostructures Using Nanosphere Photolithography" ppt

... films using NSP technique. We used NSP to produce a large area of hexagonally packed nanopillars of negative photoresist with a strong undercut. Using these nanopillars, we produced large area ... process 354 Nanoscale Res Lett (2008) 3:351–354 123 NANO EXPRESS Fabrication of Large Area Periodic Nanostructures Using Nanosphere Photolithography Wei Wu Æ Dibyendu De...

Ngày tải lên: 22/06/2014, 01:20

... 2011 Zuliani et al. Journal of Translational Medicine 2011, 9:63 http://www.translational-medicine.com/content/9/1/63 Page 8 of 9 RESEARCH Open Access Value of large scale expansion of tumor infiltrating ... allowing potential contamination of the cell therapy product during handling. In addition, the large quantities of cells needed for each infusion require the use of mult...

Ngày tải lên: 20/06/2014, 03:20

... modes caused by each of the six W-O bonds in the WO 6 octahedrons. In the case of Raman analysis, group theory analysis of wolframite-type ZnWO 4 predicts 36 lattice modes, of which 18 even vibrations ... diameter of nearly 40 nm and length of 120 to 260 nm, which indicate a relativel y large size com- pared to the pure ZW nanorods. To further confirm the carbon coating on the s...

Ngày tải lên: 20/06/2014, 23:20

... 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 process of the fluorinated polymer, the hot -embossed patterns ... 6:458 http://www.nanoscalereslett.com/content/6/1/458 Page 3 of 5 Figure 2 shows the overall fabrication process of the UV nanoimprint template using the hot embossing pro- c...

Ngày tải lên: 21/06/2014, 02:20

... indicate that both the quality of t he starting GaAs surface and the inclined sidewalls of the HfO 2 nanopatternsareadequateforselectivearea growth and the resulting III-V nanostructures do not suf ... 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) Schematic drawing...

Ngày tải lên: 21/06/2014, 03:20

... provides selec- tive deposition of a desired area. The deposition area can be adjusted by controlling the dipping area of the CNT nanoneedle template in electrolyte using a micro- stage. As shown ... 6:306 http://www.nanoscalereslett.com/content/6/1/306 Page 2 of 6 contact area between the tungsten tip and CNT nanonee- dle was very large because a large amount of CNTs wer...

Ngày tải lên: 21/06/2014, 04:20

... view after 11 h of anodization, (c) top surface view after ultrasonic agitation of 20 min in DI H 2 O, (d) magnified image of the marked area of (c), and (e) top surface view of TNP structure ... paralle l nano-channels using a two-step anodizing method. By changing the nature of electrolyte during second-step anodization, we obtained different morphologies of TiO 2 nanostr...

Ngày tải lên: 21/06/2014, 04:20

... microfeatures, and excellent uniformity over areas of several square centimeters can be achieved. In this study, a simple and reliable method for sub- strate prepatterning by s oft imprinting, using ... used to achieve 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 ord...

Ngày tải lên: 21/06/2014, 05:20

... formation of the hollow structure and can be further confirmed in the current report. The synthesized products are composed of porous shell, which makes the sample a large specific surface area of 132.5 ... pores with diameter of 1*3 nm are dominant in the final prod- ucts. The BET analysis confirms the high specific surface area (132.5 m 2 /g) of the product, which comes from the...

Ngày tải lên: 21/06/2014, 17:20

... advantages of the possibility of obtaining organic-inorganic hybrid thin films. The advantages of the MLD technique combined with ALD include accurate control of film thickness, good reproducibility, large- scale uniformity, ... consisted of ten [TiOPDA (0.6 nm)/TiO 2 (2.3 nm)] bilayer subunits. The thermal stability of the TiOPDA-TiO 2 films was studied by using TEM. The films...

Ngày tải lên: 21/06/2014, 17:20