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The diameters of C 60 nanowhiskers (C 60 NWs), which are prepared by a simple liquid–liquid interfacial precipitation method, can be tuned appropriately by controlling the area size of liquid–liquid interface. The diameters of C 60 NWs decrease with decreasing the area size of liquid–liquid interface. The electronic spectra of C 60 NWs show a dependence on the diameters...
The electric conductivities of polypyrrole and polythiophene films have been measured as a function of heat-treatment temperature. From room temperature to 150 o C, the conductivity of polypyrrole film remained constant. From 150 to 300 o C, the conductivity dropped due to the decomposition of polypyrrole and the loss of dopant ion (ClO 4- ). Above 300 o C, the...
A variety of porphyrin-linked C 60 dyads and triads have been designed and synthesized to elucidate the special properties of fullerenes in electron transfer (ET). C 60 or naphthalenediimide with comparable reduction potentials was linked to a porphyrin with similar spacers. Accelerated photoinduced charge separation (CS) was observed in the former compared with the latter...
Photochemical properties of fullerences such as C 60 and C 70 have been widely studied on the view points of fundamental scientific and technological interests. Photo-illumination of fullerenes leads to their excited states, which have different character from that of the ground state. For example, an increase in the photoinduced electric conductivity of polymers was found...
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