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Entwicklung neuer photoleitender Polymersysteme

By P. (Bayreuth Univ. (Germany). Lehrstuhl fuer Makromolekulare Chemie) Strohriegl, H. (Mainz Univ. (Germany). Inst. fuer Organische Chemie) Ringsdorf, W. Paulus, Ludwigshafen am Rhein (Germany). Kunststofflaboratorium) D. (BASF A.G. Funhoff, D. (Bayreuth Univ. (Germany). Lehrstuhl Experimentalphysik 4) Haarer, Bayreuth Univ. (Germany). Lehrstuhl fuer Makromolekulare Chemie, Mainz Univ. (Germany). Inst. fuer Organische Chemie, Bayreuth Univ. (Germany). Lehrstuhl Experimentalphysik 4 and Ludwigshafen am Rhein (Germany). Kunststofflaboratorium BASF A.G.

Abstract

In order to obtain fast organic photoconductors with a charge carrier mobility >10"-"4 cm"2/Vxs and with improved processing behaviour, liquid crystalline systems were prepared and characterized. Besides some calamitic liquid crystals with smectic and nematic mesophases, mainly discotic columnar mesophases with efficient charge transport along the one-dimensional ordered columns were synthezised and subsequently studied in time-of-flight, transient absorption, quantum yield and steady-state photoconductivity experiments. For the studied systems structure-property relationships could be established between structure, order, mobility, doping with electron acceptors, photoconductivity and mechanic properties. It is demonstrated that doped electron-rich hexaalkyloxytriphenylenes act as excellent hole conductors with a charge carrier mobility up to 10"-"3 cm"2/Vxs in the liquid crystal phase. (WEN)SIGLEAvailable from TIB Hannover: F95B1202+a / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekBundesministerium fuer Forschung und Technologie (BMFT), Bonn (Germany)DEGerman

Topics: 07B - Inorganic chemistry, POLYMERS: M, PHOTO CONDUCTIVITY, FLUID CRYSTALS, MECHANICAL-TECHNICAL PROPERTIES, PHOTO CURRENT, SURFACE COATING, CHARGE-TRANSFER-COMPLEX
Year: 1994
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Provided by: OpenGrey Repository
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