Abstract
| - The salicylidene Schiff base N-3,5-dichloro-salicylidene-(S)-α-phenylethylamine (SPEA) has been synthesizedand characterized. Stimulated by one optical input (UV light) and two chemical inputs (OH- and Zn2+),SPEA undergoes reactions of photochemistry, deprotonation, and complexation. Tailing these reactions bymeans of the UV−vis absorption spectra and fluorescence spectra, two obvious optical outputs, an absorptionband at 323 nm and a fluorescent emission peak at 460 nm, have been obtained. On the basis of encodingbinary digits in these inputs and outputs applying positive logic conventions, one monomolecular circuit,which integrates one OR, two NOT, and four AND gates, has been achieved.
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