By combining the two concepts of superlattice and organic amorphous materials, we attempted to fabricate a new material that shows photo-switching piezoelectric properties. In order to utilize the merit of amorphous materials that can be deposited quickly, we started from building an equipment specialized to fabricate organic amorphous superlattices. By using this equipment, we fabricated p-type semiconductor / piezoelectric polymer / n-type semiconductor superlattice that responded to photo-irradiation both electrically and mechanically.
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