The exposure of solutions of 6,13-dithienylpentacenes to sunlight in air afforded their endoperoxides. The solutions and thin films of the endoperoxides were irradiated with UV light to reproduce the 6,13-dithienylpentacenes. These conversions are of interest as an ecological film-formation technology in the study of organic semiconductors.
Keywords: Deoxygenation, pentacene, photolysis, photooxidation, semiconductor, thiophene
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