期刊
THIN SOLID FILMS
卷 519, 期 11, 页码 3709-3715出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2011.01.270
关键词
Organic semiconductors; Thin films; Solvent annealing; Phthalocyanines; Growth mechanism; Structure; Morphology; Microscopy
类别
资金
- Engineering and Physical Sciences Research Council (EPSRC), UK
- EPSRC [EP/F041160/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/F041160/1] Funding Source: researchfish
We present a detailed investigation of the molecular orientation transition and resulting morphology of copper hexadecafluorophthalocyanine (F16CuPc) thin films induced by solvent annealing. The F16CuPc molecules reorganize from small spherical or fibre-like crystals to large-size ribbon crystals which then dominate the resulting film properties. This reorganization and the formation of the ribbon crystals are closely related to the evaporation of solvent molecules and Ostwald ripening. The resulting thin films demonstrate morphological and structural characteristics with significant potential for application in high-performance organic electronic devices. (C) 2011 Elsevier B.V. All rights reserved.
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