Photoelectrically active polymer nanocomposites
Pfleger, Jiří; Pavlík, Martin; Plieth, W.; Vohlídal, J.
2004 - English We established a new electrophoretic deposition method for the fabrication of photoelectrically sensitive structures, in which the core/shell nanoparticles dispersed in an organic solvent are deposited on a semitransparent conductive substrate under an external electric field. Byla vyvinuta nová metoda pro přípravu fotoelektricky citlivých struktur na bázi elektroforetické depozice. Při použití této metody jsou nanočástice typu jádro/slupka rozptýlené v organickém rozpouštědle deponovány na polopropustný vodivý substrát působením externího elektrického pole. Keywords: nanocomposites; core/shell nanoparticles Available at various institutes of the ASCR Photoelectrically active polymer nanocomposites

We established a new electrophoretic deposition method for the fabrication of photoelectrically sensitive structures, in which the core/shell nanoparticles dispersed in an organic solvent are ...

Pfleger, Jiří; Pavlík, Martin; Plieth, W.; Vohlídal, J.
Ústav makromolekulární chemie, 2004

Organic field-effect transistors
Wang, Geng; Nešpůrek, Stanislav; Zhivkov, I.; Sworakowski, J.; Yakushi, K.
2004 - English Copper-phthalocyanine and water-soluble sodium hydroxyaluminium phthalocyaninedisulfonate based organic field-effect transistors were prepared by vacuum evaporation and spin coating. The values of charge carrier mobilities were found to be 2.2 x 10.sup.-4./sup. cm.sup.2./sup.V.sup.-1./s.sup.-1./sup., respectively, the current switching ratio as 2 x 10.sup.5./sup.. Organické transistory založené měděním ftalocyaninu a vodorozpustným hydroxyhlinitým ftalocyanin-disulfátu sodným byly připraveny vakuovým spařováním a odstředěny nanášením. Byly nalezeny hodnoty pohyblivosti nosičů nábojů 2.2 x 10 na -4 cm2 V-1s-1, resp. proudový přepínací poměr 2 x 10 na 5. Keywords: field-effect transistor; phthalocyanine; photoinduced field-effect Available at various institutes of the ASCR Organic field-effect transistors

Copper-phthalocyanine and water-soluble sodium hydroxyaluminium phthalocyaninedisulfonate based organic field-effect transistors were prepared by vacuum evaporation and spin coating. The values of ...

Wang, Geng; Nešpůrek, Stanislav; Zhivkov, I.; Sworakowski, J.; Yakushi, K.
Ústav makromolekulární chemie, 2004

Surface properties of nanocomposites silica/epoxy coatings
Bláhová, O.; Špírková, Milena; Farkačová, T.
2004 - English This contribution deals with the determination of mechanical properties of hybrid organic-anorganic epoxy-based coatings prepared from functionalized organosilicon precursors, oligomeric di- or triamines and colloidal silica particles or montmorillonite. Byly stanoveny mechanické vlastnosti hybridních organicko-anorganických nátěrů připravených z funkcionalizovaných organokřemičitých prekurzorů, oligomerních diaminů a triaminů a koloidních silika částic nebo montmorilonitu. Keywords: organic-anorganic coatings; nanoindentation; tribological properties Available at various institutes of the ASCR Surface properties of nanocomposites silica/epoxy coatings

This contribution deals with the determination of mechanical properties of hybrid organic-anorganic epoxy-based coatings prepared from functionalized organosilicon precursors, oligomeric di- or ...

Bláhová, O.; Špírková, Milena; Farkačová, T.
Ústav makromolekulární chemie, 2004

Improvement of mechanical properties of thermoelectrical materials by forming
Schindler, I.; Navrátil, Jiří; Takagi, S.
2004 - English Possibillities of improving of mechanical properties of thermoelectrical material by forming were studied and discoussed. Keywords: thermoelectrics; forming; rolling technology Available at various institutes of the ASCR Improvement of mechanical properties of thermoelectrical materials by forming

Possibillities of improving of mechanical properties of thermoelectrical material by forming were studied and discoussed.

Schindler, I.; Navrátil, Jiří; Takagi, S.
Ústav makromolekulární chemie, 2004

Conductive poly[(ethylenedioxy)thiophene] films
Biler, B.; Vrbová, H.; Nešpůrek, Stanislav
2004 - English Poly[3,4-(ethylenedioxy)thiophene] films were prepared by oxidative polymerization using iron(III) tosylate in alcoholic medium. The films form two types of layers; the first deposited, insoluble layer shows AC electrical conductivity ranging from 35 to 40.S.cm.sup.-1./sup., the top, soluble layer shows a much higher conductivity. Oxidativní polymerizací byly s použitím tozylátu železitého připraveny v prostředí alkoholu filmy, tvořící dva typy vrstev. První nerozpustná vykazuje AC elektrickou vodivost sahající od 35 do 40 .S.cm na -1. Horní vodivá vrstva vykazuje AC vodivost značně vyšší. Keywords: poly[3,4-(ethylenedioxy)thiophene]; electrical conductivity; charge carrier transport Available at various institutes of the ASCR Conductive poly[(ethylenedioxy)thiophene] films

Poly[3,4-(ethylenedioxy)thiophene] films were prepared by oxidative polymerization using iron(III) tosylate in alcoholic medium. The films form two types of layers; the first deposited, insoluble ...

Biler, B.; Vrbová, H.; Nešpůrek, Stanislav
Ústav makromolekulární chemie, 2004

Phthalocyanines as materials for electronics
Nešpůrek, Stanislav
2004 - English Phthalocyanines play an important role as low-gap semiconducting materials. Many electrical and optical applications are possible like xerographic media, dynamic holographic memories, information displays, optical imaging, and photodielectric elements. Ftalocyaniny hrají důležitou roli jako polovodivé materiály s nízkou mezerou. Jsou možné mnohé aplikace - xerografická média, dynamické fotografické paměti, informační displeje, optické zobrazení a fotodielectrické prvky. Keywords: Phthalocyanine; optoelectronics Available at various institutes of the ASCR Phthalocyanines as materials for electronics

Phthalocyanines play an important role as low-gap semiconducting materials. Many electrical and optical applications are possible like xerographic media, dynamic holographic memories, information ...

Nešpůrek, Stanislav
Ústav makromolekulární chemie, 2004

Simple timing of MATLAB GUIs used in MS-Windows for data acquisition
Nesládek, P.; Steinhart, Miloš
2003 - English The contribution proposes an elegant possibility of timing in the basic MATLAB. The timer is a small program running in the Windows environment. Its function is to periodically click a pushbutton in a GUI by simulating an action of a mouse through sending on appropriate message into the Windows message queue. The timer can be used in cases when sampling or other action is to be done periodically in time points. These cases are e.g. data acquisition or periodical monitoring of some dangerous status of the controlled instruments. Keywords: MATLAB GUI timing; data acquisition Available at various institutes of the ASCR Simple timing of MATLAB GUIs used in MS-Windows for data acquisition

The contribution proposes an elegant possibility of timing in the basic MATLAB. The timer is a small program running in the Windows environment. Its function is to periodically click a pushbutton in a ...

Nesládek, P.; Steinhart, Miloš
Ústav makromolekulární chemie, 2003

Impact of weathering on chemical and morphological changes in stabilized polymers
Pospíšil, Jan; Pilař, Jan; Billingham, N. C.; Marek, Antonín; Kruliš, Zdeněk; Nešpůrek, Stanislav; Habicher, W. D.
2003 - English Photooxidation, considered as the principal component of natural and accelerated weathering, affects together with oxygen,oxidizing and acid atmospheric pollutants durability of stabilized polymers by changing their chemical and supramolecular structure and influencing efficiency of stabilizers. Effects of the harshness of accelerated photooxidation, negative influences of atmospheric pollutants, heterogeneity in polymer oxidation together with formation of concentration gradients in stabilizer consumption and spatial distribution of stabilizer sacrificial transformation products are outlined. The data give more information on processes accompanying testing of stabilizer polymers and help to minimize misleading influences from over-accelerated tests. Keywords: photooxidation; weathering; stabilizers Available at various institutes of the ASCR Impact of weathering on chemical and morphological changes in stabilized polymers

Photooxidation, considered as the principal component of natural and accelerated weathering, affects together with oxygen,oxidizing and acid atmospheric pollutants durability of stabilized polymers by ...

Pospíšil, Jan; Pilař, Jan; Billingham, N. C.; Marek, Antonín; Kruliš, Zdeněk; Nešpůrek, Stanislav; Habicher, W. D.
Ústav makromolekulární chemie, 2003

Combination of modeling and experiment in analysis of partially disordered structures
Čapková, P.; Repáková, J.; Koudelka, B.; Pospíšil, M.; Trchová, Miroslava; Weiss, Z.; Zima, V.; Ilavský, Michal
2003 - English An overview of structures solved by this method will be presented, especially intercalates, liquid crystals and liquid crystalline polymers. Keywords: partially disordered structures Available at various institutes of the ASCR Combination of modeling and experiment in analysis of partially disordered structures

An overview of structures solved by this method will be presented, especially intercalates, liquid crystals and liquid crystalline polymers.

Čapková, P.; Repáková, J.; Koudelka, B.; Pospíšil, M.; Trchová, Miroslava; Weiss, Z.; Zima, V.; Ilavský, Michal
Ústav makromolekulární chemie, 2003

Structure and function of molecular systems
Hašek, Jindřich
2003 - English Keywords: molecular structure; databases; protein structure Available at various institutes of the ASCR Structure and function of molecular systems

Hašek, Jindřich
Ústav makromolekulární chemie, 2003