Journal
MACROMOLECULAR CHEMISTRY AND PHYSICS
Volume 212, Issue 19, Pages 2159-2165Publisher
WILEY-BLACKWELL
DOI: 10.1002/macp.201100284
Keywords
conjugated polymers; fullerenes; Hansen solubility parameters (HSP); ink formulations; organic photovoltaics
Categories
Funding
- Cluster of Excellence Engineering of Advanced Materials, Erlangen
- Deutsche Forschungsgemeinschaft [SPP1355]
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The concept of Hansen solubility parameters (HSP) is applied to organic semiconductors in order to determine and predict their solubility behavior, which is essential for the design of functional and environmentally friendly ink formulations for organic photovoltaics. Two different conjugated polymers, one semicrystalline and one dominantly amorphous, and one fullerene derivative are selected as prototype candidates to evaluate the applicability of the HSP concept for organic semiconductors. The method for determining the solubility parameters is described and the quality of the HSP fits as well as their suitability for designing of organic electronic inks are discussed in detail.
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