Zobrazeno 1 - 10
of 100
pro vyhledávání: '"G. Čík"'
Publikováno v:
Journal of Magnetism and Magnetic Materials. 391:116-121
Magnetic properties of the synthesized poly( N -perfluorophenylpyrrole) were studied. The synthesized polymer dissolves in common organic solvents. By the zero-field cooling-field cooling method (ZFC–FC) we found that at low temperatures ( T b 50 K
Publikováno v:
Synthetic Metals. 159:613-618
Zero-field cooled-field-cooled (ZFC-FC) technique was used to investigate the effect of low temperature (4.6 K) on the interactions of polarons in weakly FeCl 3 -doped poly(3-dodecylthiophene (PDDT). It was found that the magnetic properties of the s
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Publikováno v:
Synthetic Metals. 151:124-130
The influence of thermal activation on polaron interactions of poly(3-dodecylthiophene) (PDDT) was studied. It was found that when an undoped PDDT sample was heated above 450 K and subsequently cooled to under the glass transition temperature, there
Publikováno v:
Synthetic Metals. 149:31-38
A new type of copolymer of alkylated oligomeric thiophene and polyethylene oxide (PEO) was synthesized. Synthesis was performed by the condensation reaction of alkylated dimethylester of oligothiophene dicarboxylic acid with PEO. The synthesized six-
Publikováno v:
Synthetic Metals. 144:55-60
The effect of structural changes in regiorandom poly(3-dodecylthiophene) (PDDT) on the interactions of polarons was studied. It was found that changes in side-chains and in the entire polymeric system, expressed by the glass transition temperature Tg
Publikováno v:
Synthetic Metals. 139:355-360
Measurement of the dipole moment of the monomolecular layer of mono n -octyl-ester of 3(3-thienyl)glutaric acid trimer ((C 8 EGA) 3 ) was carried out to create a structural model at the air–water interface. Dipole moments of the monolayer of (C 8 E
Publikováno v:
Journal of Applied Polymer Science. 88:2215-2223
Poly(3-dodecylthiophene) (P3DDT), with different amounts of head-to-head configuration defects, was characterized by ultraviolet–visible, 1H-NMR, photoluminescence, and Raman spectra. The heat-induced conformational sample changes were studied by e
Publikováno v:
Synthetic Metals. 130:213-220
The EPR spectroscopy and the measurement of AC magnetic susceptibility (χ), magnetization and of specific heat capacity were used to study magnetic properties of the copolymer (COP) of 3-dodecylthiophene (DDT) and 2,3-R,R-thieno[3,4-b]pyrazine (TTP)
Publikováno v:
Synthetic Metals. 118:111-119
The method of chemical oxidative polymerization with FeCl 3 was used to synthesize the copolymer of dipyrido-[3,2-a; 2′,3′-c]-thien-[3,4-c]azine (DPTA) and 3-dodecylthiophene (DDT). The copolymer was characterized by UV–VIS, Raman, 1 H and 13 C