Crystal Structures of Copper–Phthalocyanine on C60(111) Surface Grown by Molecular Beam Epitaxy

概要

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Crystal orientation and morphologies of copper–phthalocyanine (CuPc) on the C60(111) surface were investigated. CuPc thin films were grown on C60(111) by the molecular beam epitaxy technique. The CuPc molecular column was parallel to the C60(111) surface. CuPc formed two types of structure on C60(111). Structure 1 was shaped similarly to straight fibers and covered the entire surface. Structure 1 lay along three directions equivalent to $\langle 112\rangle$ on C60(111). This indicated the epitaxial growth of CuPc on the C60(111) surfaces. Structure 2 was also fiberlike in shape and dispersed randomly on Structure 1. Both structures were observed on the CuPc/C60(111) surface at growth temperatures of 60–160 °C. The orientation of C60(111) surfaces affected the formation of CuPc crystals even at 60 °C.
Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
2008-08-25