Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Edsko Enno Havinga"'
Publikováno v:
Synthetic Metals. 68:65-70
We have fabricated metal-insulator-semiconductor field-effect transistors (MISFETs) from tetracyanoquinodimethane (TCNQ) doped with tetrathiofulvalene (TTF) and poly(β′-dodecyloxy(-α,α′−α′,α″-)terthienyl) (polyDOT3) doped with 2,3-dich
Publikováno v:
Synthetic Metals. 66:257-261
We have used tetracyanoquinodimethane (TCNQ) as the active semiconducting material in metal-insulator-semiconductor field-effect transistors (MISFETs). TCNQ behaves as an n-type semiconductor. Differential capacitance measurements on metal-insulator-
Publikováno v:
Synthetic Metals, 66(1), 93-97. Elsevier
A large induced circular dichroism is found in the conduction band of polyaniline doped with optically active camphorsulfonic acid. In films obtained by spin-coating from a meta -cresol solution, the chiral dopant induces chirality within the main ch
Publikováno v:
Synthetic Metals. 55:299-306
The idea that conjugated polymers with alternate donor and acceptor moieties in the main chain are characterized by a small band gap is proposed and explained. Experimental verification of this idea is reported in new classes of conjugated polymer se
Publikováno v:
Synthetic Metals. 54:453-460
Solid electrolyte capacitors in which the counterelectrode MnO 2 is replaced by polypyrrole have been prepared and investigated. The dopant counterions of the polypyrrole electrode were varied and the influence on capacitor performance related to dif
Publikováno v:
ChemInform. 22
The title compds. I (n = 3, 11) were prepd. utilizing the Stetter reaction followed by ring closure with Lawesson's reagent. Optical studies and cond. data of doped I together with a series of differently sized oligothiophenes show that at the chain
Publikováno v:
Polymer Bulletin. 29:119-126
Polysquaraines and polycroconaines have been synthesized. They form a new class of polymers with a small band gap, down to 0.5 eV. The small gap arises from the regular alternation of strong donor and acceptor-like moieties in a conjugated backbone.
Publikováno v:
Synthetic Metals, 41(1-2), 473-478. Elsevier
Synthetic Metals, 41(1-2), 473-478. Elsevier Science
Synthetic Metals, 41(1-2), 473-478. Elsevier Science
A series of strictly alpha,alpha'-coupled oligomers of thiophene containing 3,4,5,6,7,9, and 11 rings and provided with 0 to 5 side groups (n-butyl, n-dodecyl or tert-butyl) have been prepared and their melting points, solubilities in chloroform, UV-
Publikováno v:
Physica C: Superconductivity. 166:133-139
For the various p-type cuprate superconductors we have calculated the formal valence for the copper and the oxygen ions in the central CuO2 planes from bond lengths according to Zachariasen rules. It is shown that in all structures these values corre
Publikováno v:
Angewandte Chemie. 108:1602-1604