Linear and nonlinear optical properties of ZnO/PMMA nanocomposite films

Kulyk, B.; Sahraoui, B.; Krupka, Oksana; Kapustianyk, V.; Rudyk, V.; Berdowska, E.; Tkaczyk, S.; Kityk, I.V.

doi:10.1063/1.3253745

Cited by 90 publications

(47 citation statements)

References 24 publications

(22 reference statements)

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“…t is the Fresnel transmission coefficient (air-film system) for second-harmonic (2p) beam [4]. To study the ways of increasing frequency conversion efficiency in ZnO structure of laser radiation, we will make the numerous calculation of the analytical expression for conversion efficiency of Eq.…”

Section: Theorymentioning

confidence: 99%

“…Here ( 2) t s a are the Fresnel transmission coefficients for film-substrate-air system for second-harmonic beam (2p) [4].…”

Section: Theorymentioning

confidence: 99%

“…where, 0 z  corresponds to the input of crystal, 1s af t is the Fresnel transmission coefficient for the boundary of air-film for fundamental beam (1 s) [4] Phase Effects at Second-Harmonic Generation in ZnO/PMMA Nanocomposite Films 50 and 10  is an initial phase of pump wave at the entry of the medium.…”

Section: Theorymentioning

confidence: 99%

“…A series of works for instance Refs. [4][5][6] are dedicated to the theory of nonlinear interaction in the thin films of zinc oxide, in particular, at SHG (second-harmonic generation). In these works the authors make an analysis of frequency conversion,…”

mentioning

confidence: 99%

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Phase Effects at Second-Harmonic Generation in ZnO/PMMA Nanocomposite Films

Kasumova¹,

Mamedov²,

Shamilova³

2017

JPSA

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Abstract:In this paper analysis of constant-intensity approximation of nonlinear interaction of the second-harmonic generation in ZnO/PMMA nanocomposite films for different concentrations of ZnO was carried out with regard to the losses and phase changes of all the interacting waves. The investigated samples were manufactured on the basis of ZnO nanoparticles embedded into polyvinylchloride polymeric matrix (PMMA) by the method of electrochemical deposition. The main goal of work is the exploration of the ZnO morphology and parameters of the second order susceptibilities. It is verified that the surface effects in ZnO/PMMA structures will give a larger contribution than the volume effects. The factors restricting the efficiency of the process of frequency conversion have been analyzed.

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Section: Theorymentioning

confidence: 99%

“…Here ( 2) t s a are the Fresnel transmission coefficients for film-substrate-air system for second-harmonic beam (2p) [4].…”

Section: Theorymentioning

confidence: 99%

Section: Theorymentioning

confidence: 99%

mentioning

confidence: 99%

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Phase Effects at Second-Harmonic Generation in ZnO/PMMA Nanocomposite Films

Kasumova¹,

Mamedov²,

Shamilova³

2017

JPSA

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“…Potential applications could be in displays, waveguides, and solar cells' frequency converters, as well as nonlinear optical applications such as logic elements in nanoscale optoelectronic circuitry. [5][6][7][8][9] The main disadvantage of polymeric nanocomposites is visible light scattering due to the particle domains in the transparent polymeric medium. The sharp refractive indices increasing at the polymer-pigment particle interface cause optical scattering and the transmittance of the composites is remarkably reduced.…”

Section: Introductionmentioning

confidence: 99%

Anomalous transmittance of polystyrene–ceria nanocomposites at high particle loadings

Parlak

Demir

2013

J. Mater. Chem. C

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Optical nanocomposites based on transparent polymers and nanosized pigment particles have usually been produced at low particle concentrations due to the undesirable optical scattering of the pigment particles. However, the contribution of the particles to many physical properties is realized at high concentrations. In this study, nanocomposites were prepared with transparent polystyrene (PS) and organophilic CeO 2 nanoparticles using various compositions in which the particle content was up to 95 wt%. The particles, capped by 3-methacryloxypropyltrimethoxysilane (MPS), were dispersed into PS and the transmittance of the spin-coated composite films was examined over the UV-visible region.When the particle concentration was <20 wt%, the transmittance of the films showed a first-order exponential decay as the Rayleigh scattering theory proposes. However, a positive deviation was observed from the decay function for higher particle contents. The improvement in transmittance may be a consequence of interference in the multiple scattering of light by the quasi-ordered internal microstructure that gradually develops as the particle concentration increases.

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Controlled Synthesis of Bulk Polymer Nanocomposites with Tunable Second Order Nonlinear Optical Properties

Yan

Zhao

et al. 2012

Advanced Materials

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The transparent bulk polymer nanocomposites blended with rare earth nanoparticles are prepared through the radical polymerization of trimethylolpropane trimethylacrylate (TMPTMA). These materials produce continuously tunable second harmonic (SH) radiation under illumination of a wide spectral range of fundamental waves (750-850 nm). The SHG efficiency can be controlled well by altering the Tb(3+) doping content in the nanoparticles.

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Linear and nonlinear optical properties of ZnO/PMMA nanocomposite films

Cited by 90 publications

References 24 publications

Phase Effects at Second-Harmonic Generation in ZnO/PMMA Nanocomposite Films

Phase Effects at Second-Harmonic Generation in ZnO/PMMA Nanocomposite Films

Anomalous transmittance of polystyrene–ceria nanocomposites at high particle loadings

Controlled Synthesis of Bulk Polymer Nanocomposites with Tunable Second Order Nonlinear Optical Properties

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