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Surface potentials of Cu-tetra-tert-butyl-phthalocyanine (CuttbPc) Langmuir-Blodgett (LB) films on metal electrodes were measured under photoillumination in a vacuum vessel. The surface potential of CuttbPc LB films on Al and Cr electrodes, positively charged as deposited. Decreases very little but not zero by photoillumination, whereas the potential of films on Al and Cr electrodes increases. A linear...
The electrical properties of poly(p-phenylene vinylene) (PPV) Langmuir-Blodgett (LB) films were investigated, wherein transparent indium-tin oxide (ITO) and aluminum (Al) were used as the electrodes. Their I-V characteristics depended strongly on the thickness of PPV LB film, and the electric conductivity of the PPV LB film was in the range of 10 -12 -10 -15 (S/cm)...
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