PMMA films
Structural and Photoconductivity Properties of Tellurium/PMMA Films
... Te/PMMA films were ...the films were studied, for different electrode contact configurations, in dark condition and under white light illumination varying the optical power density from 2 to 170 ...
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Effect of Nano Sb2O3 on the Dispersive Optical Constants of PMMA Films
... measurements in the wavelength range (200-800) nm were studied and confirmed that PMMA films have an direct band gap that decreased from 5.15 to 4.66 eV as the doping concentration increases to 5wt%. The ...
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Dynamics of polymer film formation during spin coating
... blend films are the average of the rates calculated with the RBD and the semi-empirical models, and these are also shown in ...PS:PMMA films decrease with increasing partial pressure and are equal at the ...
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Dynamics of polymer film formation during spin coating
... Because spin coating is a rapid process, much of the work performed to date on its dynamics is purely theoretical. This is due to the paucity of suitable in situ techniques to mea- sure the film thickness. An important ...
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Enhancing the Performance of Organic Thin Film Transistors By Cross-Linking the Organic Gate Dielectric
... the PMMA characteristic ion intensity from exposed and unexposed areas is different has reported as the cross-linking ...of PMMA films coated on silicon wafer which are ...treated PMMA layer ...
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Photochrome-doped organic films for photonic key-pad locks and multi-state fluorescence
... We have prepared PMMA films doped with two types of pho- tochromes, with the goal of engineering switchable fluorescence properties. A fluorescent sulfonyl diarylethene (P1) is combined with either a ...
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Modeling the Pyrolysis and Combustion Behaviors of Non-Charring and Intumescent-Protected Polymers Using “FiresCone”
... Generally, it is considered to be somewhat difficult for gases and liquids to pass through PMMA slab. However, gaseous species are assumed to percolate into the ambient atmosphere through the bPMMA, which may be ...
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Properties of PMMA/clay nanocomposites prepared using various compatibilizers
... the PMMA nanocomposites pre- pared with different compatibilizers display enhanced tensile modulus with respect to pure ...pure PMMA, the enhancement of modulus is found to be 16, 17, and 20 % for ...
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Thermal and Structural Analyses of PMMA/TiO2 Nanoparticles Composites
... addition, PMMA is one of the best organic optical materials which is very suitable for numer- ous imaging and non-imaging microelectronic applications, including as a photoresistance for direct-write e-beams, ...
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Phase segregation in polymer thin films: Elucidations by X-ray and scanning force microscopy
... Abstract. – We have used quantitative X-ray microscopy in combination with Scanning Force Microscopy to monitor the phase separation of spun cast thin films of polystyrene and poly(methyl methacrylate) blends upon ...
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Co2-mediated formation of polymer_clay nanocomposites
... ScCO 2 can be used as a foaming agent in polymer melt processing since, as pres- sure of a polymer plasticized with CO 2 is rapidly released, a plastic foam may be produced. A vast amount of research has used CO 2 as a ...
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Dielectric Gate Applications of PMMA-TiO2 Hybrid Films in ZnO-Based Thin Film Transistors
... microscopic level is uniform, defect-free, flat and very smooth. The cross sectional image also shows that the hybrid film is very well adhered to the substrate; it has transversal homogeneity with uniform thickness. The ...
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Preparation And Study of Mos2 Optoelectronic Devices
... Grow good MoS 2 films weretransferredby PMMA transfer way to a new silicon wafer, and then place the MoO 3 chip with a probe in MoS 2 film surface, the electrode was prepared by magnet[r] ...
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Controlled atom transfer radical polymerization of MMA onto the surface of high density functionalized graphene oxide
... In this study, we focused on the functionalization of GO and highs-density grafting of poly(methyl methacryl- ate) (PMMA) chains onto its surface through an in situ ‘grafting from’ technique using ATRP. ...
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LASER ETCHED PMMA MICROFLUIDIC CHIP DESIGN AND MANUFACTURE WITH APPLICATIONS IN CAPILLARY ZONE ELECTROPHORESIS
... Some researchers experimented with multiple laser passes 31 . In an attempt to create both deep and wide channels, several passes were made with a low laser power of 3 watts. Instead of making a very deep channel with ...
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LncRNA DANCR involved osteolysis after total hip arthroplasty by regulating FOXO1 expression to inhibit osteoblast differentiation
... tissues. PMMA suppressed ALP activity, increased DANCR expression, and decreased the expressions of FOXO1, Runx2, Osterix (Ostx) and osteocalcin ...that PMMA inhibited the OD of ...of PMMA on ...
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Organic/Inorganic Nano hybrids with High Dielectric Constant for Organic Thin Film Transistor Applications
... thin films and polymer dielectrics were spin-coated onto heavily doped n + Si substrates as dielectric layers and then ...dielectric/Si films with a ...
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Third Order Optical Nonlinearities of C450 Doped Polymer Thin Film Investigated by the Z Scan
... method is dependent on straight forward way of concen- tration and the volume of the liquid in the dish. In this study the liquid volumes are ranged from (6 - 14) ml, yielding film thickness of (90 - 210) µm. The ...
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Phase Effects at third-Harmonic Generation in ZnO/PMMA Nanocomposite Films
... Let’s estimate the dependencies of the ratio of the third harmonic intensity (after transmitting from two layers) per cube of input laser intensity I 3 eff 2 / I 10 3 in ZnO/PMMA 1 (curves 1 and 2) and ...
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