poly(p-phenylene vinylene) films
Plasticization Effect on the Photodegradation of Poly (4 Chlorostyrene) and Poly (4 Bromostyrene) Films
... the poly- mer [13], whereas in PBS and PCS, the para-substituted styrene groups, are the chromophoric units that are re- sponsible for absorption of the 265 nm radiation, and of course is affected by the chemical ...
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Electrical conductivity of poly(3,4 ethylenedioxythiophene):p toluene sulfonate films hybridized with reduced graphene oxide
... Conjugate poly- mers, in particular PEDOT, can be straightforwardly pre- pared by several methods, and their electronic behavior can be reversibly changed between insulating and con- ducting states by redox ...
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NOVEL SYNTHESIS OF PLASTICIZERS OF POLY(L-LACTIDE) BIOPLASTIC FILMS AND THERE THERMAL PROPERTIESGhulam Mohammad JanDOWNLOAD/VIEW
... Liquid star-shaped -caprolactone (CL) oligomers were synthesized by ring-opening reaction of CL using a six terminal hydroxyl group initiator, Boltorn H2004, for use as new plasticizers of poly(L-lactide) ...
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Electrochemical Characterization of poly(N-methylaniline) Films
... The electrochemical impedance spectroscopy (EIS) technique has been widely used to study the electrochemistry of conducting polymer films. Especially, electrochemical doping/undoping process of conducting polymers ...
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The effect of the phenylene linkage in poly(fluorene-alt-phenylene)s on the thermodynamics and kinetics of nitroaromatic and nitroaliphatic sensing
... the films showed photoluminescence quenching after ex- posing it to PNT, DMNB and BP and the emission intensity recovered after blowing nitrogen over the ...the films to an analyte, the photoluminescence of ...
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Amplified spontaneous emission and optical gain spectra from stilbenoid and phenylene vinylene derivative model compounds
... doped films, ...and poly 共 styrene 兲 host prop- erties of SP35 are similar, this suggests that a material under test using this technique with F significantly larger than 10 8 nm cm J ⫺ 1 may be reasonably ...
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Influence of Molecular Orientation on the Melting Behavior of Poly(phenylene sulfide) Fibers
... heating and hence requires higher temperatures for crystal melting. Thus the role of molecular orientation in melting behavior of highly oriented PPS fibers may be two fold: to act as a catalyst for further crystal ...
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Poly(3,6-dihexyl-thieno[3,2-b]thiophene vinylene): Synthesis, Field-Effect Transistors, and Photovoltaic Properties
... served as a common gate electrode. Prior to organic semiconductor deposition, the substrates were treated with silylating agent octyltrichlorosilane (OTS). Thin semiconductor films were then deposited by ...
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PREPARATION, THERMAL AND OPTICAL PROPERTIES OF POLYETHYLENE METAL OXIDE THIN FILMShakeel Ahmad KhandayDOWNLOAD/VIEW
... transparent films can be produced from ...transparent films can be used as optical filters, polarizers, total reflectors, narrow press-bands, ...on poly (ethylene oxide) (PEO)-salt composites have ...
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Diamine Derivatives as Photostabilizers for Thermoplasticized Poly(Vinyl Chloride) [I] Hussein N. salman| Olfat A. Nief | Firyal W. Askar| Marwa N.Jasim
... The photostabilization، of poly vinyl chloride (PVC) ، films has been investigated by using diamine derivatives. The، (PVC) films were، contained 0.5% weight، of diamine derivatives which prepared by ...
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Photophysics of a poly(phenylenevinylene) with alternating meta phenylene and para phenylene rings
... The PA spectrum of the neat film consists of overlapping excited state absorption of both polarons and triplet excitons. The relative triplet contribution can be determined by sub- tracting the polaron absorption 共 from ...
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A New Approach for Electrodeposition of poly (3, 4-ethylenedioxythiophene)/polyaniline (PEDOT/PANI)Copolymer
... In addition, to the best of our knowledge, there have been no works reported on the electrochemical copolymerization based on the intercept point of the monomers from the linear sweep voltammetry (LSV). In contrast, most ...
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Synthesis and Preparation of Poly (P-Phenylene Vinylene) Thin Film and structural Characterizations
... thin films is directly professional for absorption of UV to Visible range of light, we notated this phenomena higher thickness film have a higher absorption intensity of ...PPV films were around 500 nm ...
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Preparation of Nanocomposites Poly (P-Phenylene Vinylene) / ZnO Thin Film and Structural Characterizations
... polymer Poly (Phenylene Vinylene) (PPV) is basically used as active emitting layer of Light emitting diodes (LEDs) that’s called as Organic light emitting diodes ...thin films, the prepared ...
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Spectrum-Control of Poly(p-phenylene vinylene) Nanofibers Fabricated by Electrospinning with Highly Photoluminescent ZnS quantum dots
... [5]. Poly(phenylene vinylene)(PPV) is a kind of typical conjugated polymer with excellent properties, such as photovoltage(PV) [6], electroluminescence(EL), photoluminescence(PL) and non-linear ...
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Quantitative interpretation of the transition voltages in gold poly(phenylene) thiol gold molecular junctions
... benzene thiol, biphenyl thiol and terphenyl thiol. This is realized by employing the non- equilibrium Green’s function formalism combined with density functional theory (i.e., the NEGF+DFT approach) [31-40]. Our ...
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Sulfonation of Poly(phenylene oxide) Anion Exchange Membrane for All Vanadium Flow Redox Battery
... In this paper, several conventional IEMs were studied in terms of IEC, area resistance, vanadium permeability, chemical stability to evaluate the feasibility for VRFB, then an anion IEM (DF-a) containing ...
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Development and characterisation of an ultra-long exposure UV dosimeter
... PVC films as a function of the wavelength of irradiation has been reported (Martin & Tilley 1971) and the wavelength region 355–385 nm was identified as the most active region in inducing photo-oxidation ...
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Structural and Morphological Characterizations of Poly (P-Phenylene Vinylene) Thin Film by Spin Coating Application of Polymer LED
... of Poly (p-phenylene vinylene) and its derivatives are most studied material in applications of numerous photonic devices such as organic solar cells, organic light emitting diodes ...
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Conductance of a phenylene vinylene molecular wire: Contact gap and tilt angle dependence
... of p-phenylene-vinylene between gold contacts has been investigated using density-functional theory and the nonequilibrium Green’s function ...
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