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Abstract
Structural templating and high substrate temperature growth are combined to study the differences in structure and morphology of two non-planar phthalocyanines using X-ray diffraction, atomic force microscopy and low energy ion scattering.
Highlights
We combine templating by copper iodide and high substrate temperature growth and study its effect on the structure and morphology of two different non-planar phthalocyanines, chloroaluminium (ClAlPc) and vanadyl (VOPc) phthalocyanine
X-ray diffraction, atomic force microscopy and low energy ion scattering show that both the morphology and the structure of the films are starkly different in every case, highlighting the versatility of phthalocyanine film growth
In this paper we present the growth behaviour of chloroaluminium phthalocyanine (ClAlPc) on CuI (111) thin lms at elevated surface temperatures
Summary
Structural templating layers are widely employed in organic electronic devices as a method to alter the structure and morphology of organic semiconductor lms.[1,2,3,4] Many structural templating layers, both organic and inorganic, have been shown to provide improvements in device parameters.[5,6,7,8,9] Copper(I) iodide has attracted particular attention for its templating effects in small molecule photovoltaic devices.[1,2,10] Of particular interest is the difference in the effect of CuI on phthalocyanine thin lms depending on their planarity and the chemical identity of the central metal atom/moiety. We combine templating by copper iodide and high substrate temperature growth and study its effect on the structure and morphology of two different non-planar phthalocyanines, chloroaluminium (ClAlPc) and vanadyl (VOPc) phthalocyanine.
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