Sub-Å resolution electron density analysis of the surface of organic rubrene crystals

Yusuke Wakabayashi, Jun Takeya, Tsuyoshi Kimura

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

The electron density distribution of an organic semiconductor is observed as a function of the depth from the crystal surface or interface. The surface x-ray scattering technique combined with a recently developed analyzing technique, coherent Bragg rod analysis, enables us to observe the electron density profile. The obtained near-surface electron density profile of a single crystal of rubrene, which is known as a high-mobility organic transistor material, shows not only a large positional distribution of the molecules at the surface, but also a sub-Å molecular deformation that affects the molecular orbital.

Original languageEnglish
Article number066103
JournalPhysical Review Letters
Volume104
Issue number6
DOIs
Publication statusPublished - 2010 Feb 12
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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