self assembled films of latex particles
Novel 2d self assembled arrays of siox nanowire bundles
... size of 1.5 μm consists of self- assembled nanowire bundles, and some dispersive bundles can be observed from its bottom The spacing of each self- assembled structure is μm, and a large quantity of ... that a lot of uniform dome-like Fig EDX spectra of SiOx nanowire bundles (a) and of the spacing region between self- assembly units (b), clearly suggesting the existence of a small amount of Ga on ... units displays the existence of a small amount of elemental gallium (approximately atomic ratio of 1.08%), shown in Fig 2b, indicating that the formation of self- assembled structures is mostly...
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Báo cáo hóa học: " Self-assembled monolayer of designed and synthesized triazinedithiolsilane molecule as interfacial adhesion enhancer for integrated circuit" pdf
... shows chemical formula and nomenclature of the self- assembled organosilanes commonly used in electronic industry or previous researches From the results of Table 1, we can learn that the mercapto-silane ... data of TESPA The spectral data of FT-IR, 1H NMR and 13C NMR and MS for TESPA Received: 10 May 2011 Accepted: August 2011 Published: August 2011 References Kuech TF, Mawst LJ: Nanofabrication of ... 12 13 14 15 16 17 18 19 20 21 22 23 Page of Demirel G, Caglayan MO, Garipcan B, Duman M, Piskin E: Formation and organization of amino terminated self- assembled layers on Si(001) surface Nanoscale...
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tribology of organic self assembled monolayers (SAMs) and thin films on si surface
... (XPS) 49 3.1.6 ToF-SIMS (Time of Flight-Secondary Ion Mass Spectroscopy) 49 3.1.7 SEM observation of polymer films 50 3.1.8 Measurement of thickness of the polymer films using laser profilometer 51 ... GOD, point of light, SHIVA vi Table of Contents Table of Contents Page Number Preamble i Acknowledgements v Table of Contents vii Summary xiv List of Tables xvi List of Figures xvii List of Notations ... part of Chapter 4) 2) N Satyanarayana, S K Sinha and M P Srinivasan, “Tribology of ultra-thin selfassembled films on Si: the role of PFPE as a top mobile layer” in a book titled, “The Role of Surfactants...
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Morphology and growth mechanism study of self assembled silicon nanowires synthesized by thermal evaporation
... show that the surface of the particles is fully covered with selfassembled SiNWs A careful examination of the image at still higher magni®cation (Fig 3d) shows Fig (a) Self- assembled SiNWs are ... We show that the formation of SiNWs is indeed closely related to the amorphous SiO particles, and the growth and self- assembling process of SiNWs on the surface of SiO particles strongly support ... connecting the two particles may be understood as follows While the SiNWs grown directly and self- assembled on the surface of the particles are highly curved, those SiNWs connecting two particles are...
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hydrothermal synthesis and characterization of self - assembled h - wo3
... control over the shapes of nanowire bundles and nanorods, allowing the formation of urchin-like crystalline h-WO3 via simple substitution of NH4 + in place of Na+ ions of EDTA salt solutions Experimental ... 2b that the self- assembled nanowires formed nanowire bundles as a result of the synthesis approach using Na+ -based EDTA salt solution Alternatively, numerous nanorods were self- assembled to ... addition of NH4 + -based EDTA in place of Na+ -based EDTA, while the other conditions were maintained the same Highly oriented 1D nanowires were self- assembled to form nanowire bundles of h-WO3...
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morphology change of self-assembled zno 3d nanostructures with different ph
... 266 nm) quality of self- assembled ZnO 3D nanostructure were obtained at pH 10.5 This study was supported by the ERC (Center for Materials and Processes of Self- Assembly) program of MOST/KOSEF (R112005-048-00000-0) ... values of TC (1 0), TC (1 1) and TC (0 2) Fig shows the FE-SEM images of the self- assembled ZnO 3D nanostructures, which were synthesized in an aqueous solution at various pH The shape of the ... quality of self- assembled ZnO 3D nanostructure were obtained at pH 10.5 Acknowledgments Fig Room-temperature photoluminescence spectra from the ZnO 3D nanostructures grown in solutions of different...
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Báo cáo sinh học: " Raman enhancement of rhodamine adsorbed on Ag nanoparticles self-assembled into nanowire-like arrays" docx
... efficiency, of the different substrates and of the time elapsed since the dying of the nanoparticles The second set consists of silver nanoparticles evaporated over gratinglike structured surfaces Self- alignment ... line-arrangement of hot-spots due to the self- alignment of metallic nanoparticles, induced by the grating-like templates Keywords: SERS; self- aligned silver nanoparticles; R6G; Raman spectra; nanotechnology ... obtained for the randomly distributed nanoparticles, while effects related to the aging of the silver nanoparticles were studied Grating-like arrays of nanoparticles have been fabricated using line...
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báo cáo hóa học:" Raman enhancement of rhodamine adsorbed on Ag nanoparticles self-assembled into nanowire-like arrays" docx
... efficiency, of the different substrates and of the time elapsed since the dying of the nanoparticles The second set consists of silver nanoparticles evaporated over gratinglike structured surfaces Self- alignment ... line-arrangement of hot-spots due to the self- alignment of metallic nanoparticles, induced by the grating-like templates Keywords: SERS; self- aligned silver nanoparticles; R6G; Raman spectra; nanotechnology ... obtained for the randomly distributed nanoparticles, while effects related to the aging of the silver nanoparticles were studied Grating-like arrays of nanoparticles have been fabricated using line...
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Báo cáo hóa học: " Thermal conductivity and viscosity of self-assembled alcohol/polyalphaolefin nanoemulsion fluids" ppt
... conductivity of aqueous suspensions of carbon nanotubes (carbon nanotubes nanofluids) J Thermophys Heat Transfer 2004, 18:481-485 Hong T, Yang H, Choi CJ: Study of the enhanced thermal conductivity of ... Mechanisms of thermal nanofluids on enhanced critical heat flux (CHF) Int J Heat Mass Transfer 2008, 51:4958-4965 20 Zhou SQ, Ni R: Measurement of the specific heat capacity of water-based Al2O3 nanofluid ... conductivity of nanofluids J Appl Phys 2004, 95:6492-6494 27 Prasher R, Phelan PE, Bhattacharya P: Effect of aggregation kinetics on the thermal conductivity of nanoscale colloidal solutions (nanofluid)...
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Báo cáo hóa học: " Electromodulated reflectance study of self-assembled Ge/Si quantum dots" pptx
... voltage with a peak-to-peak amplitude of 200 mV served as an ac modulation source Various values of reverse dc bias voltage Ub was employed The modulation reflectance of the samples was filtered with ... (Figure 2) The spectral response of the device with QDs clearly covers a broader spectral range extending down to a half of eV Figure 3a shows typical results of ER spectroscopy We did not observe ... values of the energies are represented by bars in the figure Yakimov et al Nanoscale Research Letters 2011, 6:208 http://www.nanoscalereslett.com/content/6/1/208 Page of for the reverse bias of...
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Báo cáo hóa học: " Self-Assembled Local Artificial Substrates of GaAs on Si Substrate" docx
... portions of surface with {111} slope and reduce {113} The formation of different surface planes plays an important role for the subsequent fabrication of small quantum dots on the top of local ... density through a proper choice of the Ga deposition temperature Varying the amount of deposited Ga thus makes possible to control the mean island volume [8] By means of AFM measurements, it is also ... and with the plane {113} in the upper part of the islands A similar behavior with the presence of these planes was observed also in Volmer-Weber growth of GaAs on Si [11] However, by using the...
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Báo cáo hóa học: " Single-dot Spectroscopy of GaAs Quantum Dots Fabricated by Filling of Self-assembled Nanohole" docx
... dependence of the X and XX peaks of the shallow-hole QD of Fig 2a Lines: fits with slope = for the X and slope = for the XX peaks b Position of the X peak maximum of the shallow-hole QD of Fig 2a ... 180 [degree] EX- EXX [meV] XX an exciton FSS of 22 leV and a bieciton splitting of 28 leV These data demonstrate the state of the art optical quality of LDE GaAs QDs being comparable to the established ... biexciton peaks were identified on basis of their excitation power dependence (Fig 3a), with slope of one for X and of two for XX Polarization-dependent measurements of the neutral exciton and biexciton...
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Báo cáo hóa học: " Optical Properties of GaAs Quantum Dots Fabricated by Filling of Self-Assembled Nanoholes" pot
... fabrication of a novel type of very uniform, strain-free GaAs QDs by filling of LDE nanoholes in AlGaAs with GaAs, has been demonstrated [21] In the present paper we describe the influence of the LDE ... (peak P1 in Fig 5a) of around 1.65 eV with data shown in Ref [21], we estimate a QD height of about nm The excited-state peak P2 has a quantization energy of 20 meV and peak P3 of 42 meV According ... considering a similar type of QDs in Ref [30] Conclusions The local droplet etching of nanoholes in semiconductor surfaces represents a powerful new degree of freedom for the design of novel semiconductor...
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Báo cáo hóa học: " Binary Mixtures of SH- and CH3-Terminated Self-Assembled Monolayers to Control the Average Spacing Between Aligned Gold Nanoparticles" doc
... NPs at doses of 0.5, 1.0, 4.0, and 11 nC/cm versus the v/v% ratio of MPTS/ OTS binary mixture The error bars represent the standard errors of the mean of the NNDs Fig SEM images of FIB nanolithography ... was the highest The lateral sizes of Au NPs were constant at diameters of *24 nm At lower doses Fig SEM images of FIB nanolithography aligned Au NPs at a dose of 0.5 nC/cm refilled with (a) 20 ... Consortium (OPC), and CRC Program of the Government of Canada for their kind financial support and the Western Nanofabrication Facility for the availability of FIB and SEM We also thank Todd Simpson...
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Báo cáo hóa học: " Formation and Organization of Amino Terminated Self-assembled Layers on Si(001) Surface" docx
... The volume of the drop used was always lL in all measurements The contact angles are calculated by using the software of the instrument All reported values herein are the averages of at least ... surface and have a maximum deviation of ±1° The vertical structures of the samples, especially the (optical) thickness of layers were also measured by means of an auto-nulling imaging ellipsometer ... performed at a wavelength of 532 nm with an angle of incidence of 72° In the layer thickness analysis, a four-zone auto-nulling procedure integrating over a sample area of approximately 50 · 50...
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Báo cáo hóa học: " Multi-scale ordering of self-assembled InAs/GaAs(001) quantum dots" pdf
... positioning of self- assembled QDs on patterned substrates Nanoscale Res Lett (2006) 1:1–10 surface of larger QDs The detailed shape of such QDs has been revealed by a facet analysis of STM data ... to fabricate lateral QD-molecules, based on the use of hierarchical self- assembly In hierarchically selfassembled structures the result of a self- assembly step is used as the starting point for ... based on the self- assembled InAs/GaAs QD system The route starts with the shape of freestanding QDs, followed by the homogeneity of buried QDs The local QD positioning and the fabrication of short-range...
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Báo cáo hóa học: " Temperature dependent optical properties of single, hierarchically self-assembled GaAs/AlGaAs quantum dots" potx
... studies of high temperature photon emission statistics from SK-grown QDs [18–20] have been performed In this work we study the temperature dependence of the emission of a single, hierarchically self- assembled ... channels of a time-to-amplitude converter the output of which was stored in a PC-based multichannel analyzer In this way, a histogram n(s) of photon 173 correlation events as a function of the ... reasons of choosing this power for the temperature dependence measurements are: (a) It was the minimum power of Fig Temperature dependence of PL energy positions (n) and homogeneous linewidth of the...
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báo cáo khoa học: "Regulated growth of diatom cells on self-assembled monolayers" potx
... representation of the experiments Glass surfaces were modified with self- assembled monolayers of FPS, APS, OTC, and CMS; these were then put into one petri dish After one day of incubation, some of the ... knowledge has not been applied to the development of biodevices involving the use of diatoms On the other hand, self- assembled monolayers (SAMs) are one of the most useful techniques used in nanotechnology ... three days of incubation in the case of the rinsed samples At one day of incubation, most of the cells were individually isolated (data not shown) However, after three days, clusters of diatom...
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UNDERSTANDING AND MINIMIZING THE ROLE OF DEFECTS IN SELF ASSEMBLED MONOLAYER BASED JUNCTIONS
... (A) The values of β as a function of work function of SAM modified electrode metals (B) The values of β as a function of work function of SAM modified electrode metals xxvii List of Abbreviations ... 最后谨以此文献给我挚爱的家人。 iv Table of Contents Thesis Declaration i Acknowledgement iii Table of Contents v Summary x List of Table xiii List of Figures xv List of Abbreviations xxviii List of Symbols xxix Chapter ... improve the quality of SAM-based junctions We optimized the fabrication of the bottom and top-electrodes, and investigated the effect of the supramolecular structure of the self- assembled monolayers...
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Fabrication of 3d photonic crystals with self assembled colloidal spheres as the template
... Patterning the Surface of Microspheres and Fabrication of Nonspherical Particles ……………………………………………………149 10.2.1 Fabrication of Silica Nonspherical Particles ……………………151 10.2.2 Fabrication of Polystyrene ... Scheme of fabricating inverse opal (a) Self- assembly of microspheres into a colloidal crystal; (b) Infiltration of the voids of the colloidal crystal with a dielectric material; (3) Removal of the ... illustration of introducing point defects into self- assembled 3D PCs (b) A top view of the point defect array loaded on the surface of the host silica opal film (c) A cross-section view of the silica...
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