Báo cáo hóa học: "Fabrication of Uniform Au–Carbon Nanofiber by Two-Step Low Temperature Decomposition" docx

... decomposition of sucrose and result carbon nanofibers. TEM image is low magnified free standing Au/C nanofibers Nanoscale Res Lett (2009) 4:932–936 935 123 NANO EXPRESS Fabrication of Uniform Au–Carbon Nanofiber ... situ information of the Fig. 4 TEM images of a Au ornamented carbon nanofibers, b magnified image of the circled section on a, and c other area of the same TEM grid....

Ngày tải lên: 21/06/2014, 20:20

... 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 ordered domains. Consequently, ... icleu@mail.mse.ncku.edu.tw 2 Department of Materials Science, National University of Tainan, Tainan 700, Taiwan. Full list of author information is available at the end...

Ngày tải lên: 21/06/2014, 05:20

... 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 ... procedure Fabrication of flexible UV nanoimprint mold Figure 1 shows experimental schematics and detailed process flow of hot embossing litho graphy system and UV nanoimprin...

Ngày tải lên: 21/06/2014, 02:20

... size of the powders can be estimated from the broadening of corresponding X-ray spectral peaks by the Scherrer’s formula L ¼ Kk b cos h ð2Þ where L is the crystallite size, k the wavelength of ... average them in order to decrease the error of the system. The XRD peaks of monoclinic tenorite CuO ( " 111) and (111) of the samples annealed at different temperatures are shown...

Ngày tải lên: 22/06/2014, 22:20

... 6:50 http://www.nanoscalereslett.com/content/6/1/50 Page 3 of 5 Conclusions In summary, the vale nce band offset of the In N/dia- mond heterojunction has been measured by XPS. A type-I band alignment with a valence band offset of ΔE v ~ 0.39 ... procedure by Ar + bombard- ment with a voltage of 1 kV at a low sputtering rate of 0.5 nm/min, which alleviates damages to the sample...

Ngày tải lên: 21/06/2014, 11:20

... stretching 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 ... formation of a hybrid ZnWO 4 /carbon core/shell structure (inset of Figure 4c). The uniform thickness of carbon was approximately 3 nm, based on the HRTEM images (Fig- ures...

Ngày tải lên: 20/06/2014, 23:20

... 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 of the starting ... Patterning of the photoresist by laser interference lithography. (c) Pattern transfer to the SiO 2 layer by CF 4 ICP-RIE. (d) Pattern transfer to the ARC by O 2 ICP-RIE. (e) Sele...

Ngày tải lên: 21/06/2014, 03:20

... nanocomposites. It also demonstrates the capability of direct labeling on nano- composite by use of scanning helium ion microscopy (HIM). The demonstration of imaging by helium (He) ions is relatively a new ... Figure 3a. The SEM image of bare graphene displayed in Figure 3b shows stacks of graphene layers, bound by van der Waals forces. The thick edges of the sheets therein...

Ngày tải lên: 21/06/2014, 03:20

... 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 ... con- trolled by changing the concentration of the suspension, the amplitude of the AC voltage, and the collection time [22,23]. The length of the CNT nanoneedle wa...

Ngày tải lên: 21/06/2014, 04:20

... alumina fabricated by single step anodization process. Micron 2010, 41: 560. 6. Masuda H, Fukuda K: Ordered metal nanohole arrays made by a two-step replication of honeycomb structures of anodic alumina. ... arrays of 1000 μm length by anodization of titanium foil: phenol red diffusion. J Phys Chem C 2007, 111: 14992. 25. Bu SJ, Jin ZG, Liu XX, Yang LR, Cheng ZJ: Synthesis of...

Ngày tải lên: 21/06/2014, 04:20