Báo cáo hóa học: "Fabrication of Uniform Au–Carbon Nanofiber by Two-Step Low Temperature Decomposition" docx
Báo cáo hóa học: "Fabrication of Uniform Au–Carbon Nanofiber by Two-Step Low Temperature Decomposition" docx
... decomposition of sucrose and result carbonnanofibers. TEM image is low magnified free standing Au/CnanofibersNanoscale Res Lett (2009) 4:932–936 935123NANO EXPRESSFabrication of Uniform Au–Carbon Nanofiber ... situ information of theFig. 4 TEM images of a Auornamented carbon nanofibers,b magnified image of the circledsection on a, and c other area of the same TEM grid. d Thehistograms of particle sizedistribution ... diameter of the Aunanoparticles and the distance of the bridge in the cross-linked CNFs is the same as the diameter of AAO channelsuggests that the fibers are the splits of the tubular shape of carbon....
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Báo cáo hóa học: " Fabrication of ordered nanoporous anodic alumina prepatterned by mold-assisted chemical etching" docx
... usedto achieve prepatterning of Al substrates, thus avoidingfabrication 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.tw2Department of Materials Science, National University of Tainan, Tainan 700,Taiwan.Full list of author information is available at the end of the articleLai et al. Nanoscale ... [18-20]. Localized etching ismediated by a mold-assisted chemical etching initiatedfrom the stamp microfeatures, and excellent uniformityover areas of several square centimeters can be achieved.In...
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báo cáo hóa học: " Fabrication of flexible UV nanoimprint mold with fluorinated polymer-coated PET film" docx
... flexible PETfilm by hot embossing lithography with high fidelity andwithout any defects . Due to the slightly tapered profile of the patterns of the Si master mold and elastic nature of the hot embossing ... procedureFabrication of flexible UV nanoimprint moldFigure 1 shows experimental schematics and detailedprocess flow of hot embossing litho graphy system andUV nanoimprint lithography system made by NND(Seoul) ... 6:458http://www.nanoscalereslett.com/content/6/1/458Page 4 of 5NANO EXPRESS Open AccessFabrication of flexible UV nanoimprint mold withfluorinated polymer-coated PET filmJu-Hyeon Shin1, Seong-Hwan Lee1, Kyeong-Jae Byeon1, Kang-Soo...
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Báo cáo hóa học: " Fabrication of CuO nanoparticle interlinked microsphere cages by solution method" ppt
... size of the powders can be estimatedfrom the broadening of corresponding X-ray spectralpeaks by the Scherrer’s formulaL ¼Kkb cos hð2Þwhere L is the crystallite size, k the wavelength of ... average them in order todecrease the error of the system. The XRD peaks of monoclinic tenorite CuO ("111) and (111) of thesamples annealed at different temperatures are shownin Fig. 7. The ... calculatethe half width of XRD peaks.The annealing temperature dependence of crystal-lite size is shown in Fig. 8. The crystallite size increaseswith the annealing temperature. The crystallite...
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Báo cáo hóa học: " Determination of InN/Diamond Heterojunction Band Offset by X-ray Photoelectron Spectroscopy" docx
... 6:50http://www.nanoscalereslett.com/content/6/1/50Page 3 of 5ConclusionsIn 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 ΔEv~ 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.The reduced thickness (less than 1 nm) is calculated by the ... grateful to Professor Huanhua Wang and Dr. Tieying Yang inthe Institute of High Energy Physics, Chinese Academy of Sciences. Thiswork was supported by the 863 High Technology R&D Program of China(Grant...
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Báo cáo hóa học: " Fabrication of core/shell ZnWO4/carbon nanorods and their Li electroactivity" ppt
... stretching modes caused by each of the six W-O bonds in the WO6octahedrons. Inthe case of Raman analysis, group theory analysis of wolframite-type ZnWO4predicts 36 lattice modes, of which 18 even ... formation of a hybrid ZnWO4/carbon core/shell structure (inset of Figure 4c). The uniform thickness of carbon wasapproximately 3 nm, based on the HRTEM images (Fig-ures 4d, e) of the individual ... performed for further sampleanalysis. The electrochemical performance of the sam-ples versus that of lithium was measured by means of amultichannel potentiostati c/galvanostatic system (modelWBCS...
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Báo cáo hóa học: " Fabrication of HfO2 patterns by laser interference nanolithography and selective dry etching for III-V CMOS application" pdf
... formation of tapered H fO2etch profiles. Optimi-sation of the CF4plasma composition and etch biasFigure 4 Schematic of the HfO2nanostructuring process.(a) Schematic drawing of the starting ... Patterning of thephotoresist by laser interference lithography. (c) Pattern transfer to the SiO2layer by CF4ICP-RIE. (d) Pattern transfer to the ARC by O2ICP-RIE.(e) Selective ICP-RIE of the ... images of the HfO2nanopattern.(a) Three-dimensional view of the nanostructured HfO2/GaAs surface morphology. (b) Cross-section scan profile of an etched trench.Figure 2 HR-SEM images of the...
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Báo cáo hóa học: " Revelation of graphene-Au for direct write deposition and characterization" potx
... nanocomposites. It alsodemonstrates the capability of direct labeling on nano-composite by use of scanning helium ion microscopy(HIM).The demonstration of imaging by helium (He) ions isrelatively 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 (inset of Figure3b) reveal ... demonstrated the layered crystallites of graphene withfringe spacing of about 0.32 nm in individual sheets and the ultrafine facetted structure of about 20 to 50 nm of Au particles in graphene composite....
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Báo cáo hóa học: " Fabrication of functional micro- and nanoneedle electrodes using a carbon nanotube template and electrodeposition" ppt
... ResearchFoundation of Korea funded by the Ministry of Education, Science andTechnology (R31-2008-000-10105-0). This work was supported by theNational 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 was deter-mined by the spacing ... 6:306http://www.nanoscalereslett.com/content/6/1/306Page 4 of 6and length 5 to 20 μm, were purchased from HanwhaNanotech (Incheon, Korea). The SWNT suspension wasprepared by sonicating a mixture of 1-mg SWNT and100 mL of 1 w t% sodium...
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Báo cáo hóa học: " Fabrication of complete titania nanoporous structures via electrochemical anodization of Ti" docx
... alumina fabricated by singlestep 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 TiO2porous thinfilm by ... TNPstructures with uniform and paralle l nano-channelsusing a two-step anodizing method. By changing thenature of electrolyte during second-step anodization, weobtained different morphologies of TiO2nanostructures.Furthermore,...
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