Molecular-packing-enhanced charge transport in organic field-effect transistors based on semiconducting porphyrin crystals

Takeo Minari, Mari Seto, Takashi Nemoto, Seiji Isoda, Kazuhito Tsukagoshi, Yoshinobu Aoyagi

Research output: Contribution to journalArticlepeer-review

39 Citations (Scopus)

Abstract

The effect of semiconductor crystal structure on the performance of organic field-effect transistors is investigated through the fabrication and characterization of devices based on single porphyrin crystals with different center metals. The field-effect mobility of the transistors is found to increase with decreasing intermolecular distance, attributable to greater overlap of π orbitals among close-packed molecules and the consequent promotion of charge transport.

Original languageEnglish
Article number123501
JournalApplied Physics Letters
Volume91
Issue number12
DOIs
Publication statusPublished - 2007

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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