Water permeation pathways in laminated organic single-crystal devices

Ryo Nouchi, Yoshiaki Ishihara, Susumu Ikeda

研究成果: Article


Water permeation pathways in electronic devices should be eliminated for the suppression of operational instabilities. We investigated possible pathways in field-effect transistors based on a laminated single crystal (SC) of an organic semiconductor, rubrene. Water-induced instabilities were found to be more obvious with a thicker rubrene SC. Furthermore, under our simulation conditions, molecular dynamics calculations of water diffusion on a rubrene SC showed that no water molecules penetrated the SC. These findings indicate that a space at the SC/substrate interface is a dominant pathway. The present study clearly shows the importance of conformality of SC lamination onto the underlying substrate.

ジャーナルAIP Advances
出版物ステータスPublished - 2020 7 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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