Solvent additive effects on small molecule crystallization in bulk heterojunction solar cells probed during spin casting.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 24002890.
- Also identified by DOI 10.1002/adma.201302389.
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Abstract
Solvent additive processing can lead to drastic improvements in the power conversion efficiency (PCE) in solution processable small molecule (SPSM) bulk heterojunction solar cells. In situ grazing incidence wide-angle X-ray scattering is used to investigate the kinetics of crystallite formation during and shortly after spin casting. The additive is shown to have a complex effect on structural evolution invoking polymorphism and enhanced crystalline quality of the donor SPSM.
Medical subject headings
- Solar Energy
- Solvents