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We have developed artificial photosynthetic systems in which porphyrins and fullerenes are self-assembled as building blocks into nanostructured molecular light-harvesting materials and photovoltaic devices. Multistep electron transfer strategy has been combined with our finding that porphyrin and fullerene systems have small reorganization energies, which are suitable for the construction of light...
We have studied the influence of hole transporting material on the electroluminescence characteristics in two-layer devices based on tris(8-quinolinolato) aluminum. Five hole transporting materials including two novel materials were used. No difference in turn-on voltages for light emission has been seen in the devices fabricated on indium-tin-oxide treated by argon/oxygen plasma, and a high luminance...
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