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A new supramolecular system between a barbituric acid-substituted fullerene derivative (1) and dipyrenemethyl-substituted melamine (2) through hydrogen-bonding interaction was prepared. The formation of hydrogen bonding was confirmed by 1 H NMR studies in CDCl 3 /CS 2 . The photocurrent generation of the self-assembled film of 2·1 was measured and a cathodic photocurrent response...
A new electrical and optical-active triad containing fullerene and perylenebisimide units has been prepared and characterized by UV–vis spectroscopy, fluorescence spectroscopy and voltammetry. For comparison, the triad containing only perylenebisimide units has also been studied. The SEM image indicated that uniform nanofibers of the triad were formed with a diameter of about 50nm. The thin films...
Two sorts of Cu-TCNQ films were prepared and characterized. One kind of film is amorphous, exhibiting novel electrical switching effects. The device configuration is a sandwich structure, typically, Al/amorphous Cu-TCNQ thin film/Cu. Films are grown on a Cu substrate by immersion in saturated malononitrile solutions of TCNQ (7,7,8,8-tetracyanoquinodimethane) at 50~80 o C. The degree of charge...
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