J. Jurusik

Centre of Polymer and Carbon Materials

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J. Weszka

Silesian University of Technology

Bożena Jarząbek

Centre of Polymer and Carbon Materials

Barbara Hajduk

Centre of Polymer and Carbon Materials

J. Cisowski

Cracow University of Technology

Mateusz A. Domański

University of Warsaw

Paweł Jarka

Silesian University of Technology

Marian Domański

Polish Academy of Sciences

Janusz Jaglarz

Cracow University of Technology

Bożena Kaczmarczyk

Polish Academy of Sciences

Monika Chwastek

Institute of Organic Chemistry

Cooperative Institutions

Polish Academy of Sciences

Silesian University of Technology

Centre of Polymer and Carbon Materials

Institute of Physics

Centre National de la Recherche Scientifique

University of Silesia in Katowice

Wrocław University of Science and Technology

Jagiellonian University

Czech Academy of Sciences, Institute of Physics

Medical University of Silesia

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Direct determination of the refraction index normal dispersion for thin films of 3, 4, 9, 10-perylene tetracarboxylic dianhydride (PTCDA)

Optica Applicata (2012)

J. Cisowski J. Jurusik M. Curie-Skłodowskiej

The improved approach for analysis of the thin film optical spectra exhibiting the interference fringes is presented. It is shown that, based on the positions of adjacent extrema, the interference order numbers can be easily identified allowing for determination of a model-free normal dispersion of the refraction coefficient provided the film thickness is known from an independent measurement. The usefulness of the presented method is illustrated by the analysis of the reflection spectra obtained for thin films of 3, 4, 9, 10-perylene tetracarboxylic dianhydride (PTCDA) with various thicknesses determined with the atomic force microscopy (AFM).

Reflection

Maxima and minima

Dispersion relation

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Citations (5)

Bragg's grating coupler in planar optical sol-gel waveguides

Optica Applicata (2004)

T. Pustelny I. Zielonka Paweł Karasiński J. Jurusik

The aim of our investigation was to develop a technique of producing Bragg’s grating couplers on planar waveguides obtained by means of the sol-gel technique. Introducting a light beam into the waveguide structure is in the case of planar optical systems always an essential technological problem, requiring simple and reproducible solutions without extending the waveguide structure too much. The paper deals with the technology of producing grating couplers by impressing the pattern of the network while forming the planar waveguide structure applying the sol-gel method. The results of investigation on grating couplers obtained in such a way have also been presented. Attention has been drawn to the possibility of using such structures in optoelectronic sensors, particularly gas sensors, including sensors of toxic gases.

Waveguide

Fiber Bragg Grating

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Physical properties of polyazomethine thin films doped with iodine

Journal of Achievements of Materials and Manufacturing Engineering (2007)

Barbara Hajduk J. Weszka Bożena Jarząbek J. Jurusik Mateusz A. Domański

Purpose: The aim of this paper is to show influence of doping 1,4-phenylene-methylenenitrilo-1,4phenylenenitrilomethylene (PPI) with iodine and to propose doping mechanism and its impact on electronic structure of doped PPI thin films. Design/methodology/approach: Influence of iodine doping on electronic structure of polyazomethine thin films was investigated. Optical absorption spectra, XRD spectra and AFM images of doped PPI thin films were recorded. Findings: Doping mechanism relys on removing one electron from PPI π-system by I2 molecules and forming counterions I3-. Formation of positive polaron means that doping of polyazomethine PPI is p – type. Research limitations/implications: Influence of iodine doping on electrical properties (with increasing of tempearture) of PPI thin layers will be checking with Kethley appliance. We plan these measurements to be done in the foreseeable future. Practical implications: Iodine doping of thin PPI films process could results in better electrical conductivity of PPI, so doped polyazomethine films could find some applications for photonic and optoelectronic devices. Originality/value: Conjugated PPI is rarely enough reported but it is very interesting material as it has nitrogen atom in the backbone and it is isoelectronic counterpart of polyparaphenylenevinylene (PPV). This paper show that doping influences on surface morphology, cristallinity and optical properties of polymer. Furthermore, doping mechanism and changes of polymer electronic structure have been proposed in this paper.

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Citations (12)

Electron microscope investigations of the growth morphology of cadmium arsenide films vacuum deposited at various substrate temperatures

Thin Solid Films (1980)

J. Jurusik L. Żdanowicz

Morphology

Vacuum deposition

10.1016/0040-6090(80)90461-7

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Citations (21)

Diffuse scattering in polyazomethine thin films

Polimery (2009)

Janusz Jaglarz J. Cisowski H. Czternastek WOJCIECH ODSTERCZYL J. Jurusik

The results of optical studies of the diffuse reflectance and transmittance of polyazomethine (PPI) thin films prepared by the chemical vapor deposition (CVD) technique are reported. The obtained experimental data prove the presence of centers causing the Rayleigh-type scattering of light. These centers, with a spherical structure (spherolites), are formed in the process of crystallization during the growth of PPI films and they are responsible for the volume scattering of light.

Deposition

10.14314/polimery.2009.015

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Citations (2)

Photoinduced Holographic Gratings in Azobenzene-Functionalized Poly(amideimide)s

Polymer Journal (2007)

Ewa Schab‐Balcerzak Anna Sobolewska Andrzej Miniewicz J. Jurusik Bożena Jarząbek

Azobenzene

Diffraction efficiency

Chromophore

Thermal Stability

10.1295/polymj.pj2006227

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Citations (24)

Tailoring electronic structure of polyazomethines thin films

Journal of Achievements of Materials and Manufacturing Engineering (2010)

J. Weszka Barbara Hajduk Mateusz A. Domański Monika Chwastek J. Jurusik

Purpose: The aim of this work is to show how electronic properties of polyazomethine thin films deposited by chemical vapor deposition method (CVD) can be tailored by manipulating technological parameters of pristine films preparation as well as modifying them while the as-prepared films put into iodine atmosphere. Design/methodology/approach: The recent achievements in the field of designing and preparation methods to be used while preparing polymer photovoltaic solar cells or optoelectronic devices. Findings: The method used allow for pure pristine polymer thin films to be prtepared without any unintentional doping taking place during prepoaration methods. This is a method based on polycondensation process, where polymer chain developing is running directly due to chemical reaction between molecules of bifunctional monomers. The method applied to prepare thin films of polyazomethines takes advantage of monomer transporting by mreans of neutral transport agent as pure argon is. Research limitations/implications: The main disadvantage of alternately conjugated polymers seems to be quite low mobility of charge carrier that is expected to be a consequence of their backbone being built up of sp2 hybridized carbon and nitrogen atoms. Varying technological conditions towards increasing reagents mass transport to the substrate is expected to give such polyazomethine thin films organization that phenylene rin stacking can result in special π electron systems rather than linear ones as it is the case. Originality/value: Our results supply with original possibilities which can be useful in ooking for good polymer materials for optoelectronic and photovoltaic applications. These results have been gained on polyazomethine thin films but their being isoelectronic counterpart to widely used poly p-phenylene vinylene may be very convenient to develop high efficiency polymer solar cells

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Supramolecular associations of poly(ketanil)s with sulfonic acid derivatives of benzenetricarboxamide via Brönsted acid–base interactions: Preparation, spectroscopic morphological and thermal investigations

Synthetic Metals (2008)

Agnieszka Iwan Henryk Janeczek Bożena Kaczmarczyk J. Jurusik Z. Mazurak

Sulfonic acid

Brønsted–Lowry acid–base theory

Base (topology)

10.1016/j.synthmet.2008.10.007

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Citations (3)