Národní úložiště šedé literatury Nalezeno 3 záznamů.  Hledání trvalo 0.00 vteřin. 
The influence of dipolar species on on-chain mobility in polysilanes
Nešpůrek, Stanislav ; Sworakowski, J.
Polar additives or polar side groups in the copolymer poly([methyl(phenyl)silylene]-2,4-dinitrophenylhydrazone) make the original distribution of states broader as a consequence of the electrostatic interaction of the charge carrier with the dipole moment of the side groups; the drift and on-chain mobilities decrease and their activation energy increase.
Optical spectra of silicon-based polymers
Humlíček, J. ; Navrátil, K. ; Šik, J. ; Lorenc, M. ; Bočánek, L. ; Nešpůrek, Stanislav
The vibrational response of poly[methyl(phenyl)silane] and poly[biphenyl(methyl)-silane] have been investigated. As expected, narrow vibrational resonances are superimposed on a smooth interference background. The latter depends on the film thickness, its variation across the illuminated area, and the low-frequency limit of the electronic polarizability.
Luminescence in organic silicons prepared from organic precursors in plasma discharges
Horváth, P. ; Schauer, F. ; Kuřitka, I. ; Salyk, O. ; Weiter, M. ; Dokoupil, N. ; Nešpůrek, Stanislav ; Fidler, V.
Photoluminescence of plasma prepared the poly[methyl(phenyl)silanediyl] - during the change from linear 1D Si chain to amorphous 3D Si network was studied. The excitonic band with maximum at 353 nm in 1D Si undergoes a blue shift and broadening on introducing networking defects. With the gradual transition from 1D to 3D structure the redistribution of oscillator intensity along the absorption edge was observed.

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