The role of additive in diketopyrrolopyrrole-based small molecular bulk heterojunction solar cells.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 23996829.
- Also identified by DOI 10.1002/adma.201302848.
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Abstract
A new diketopyrrolopyrrole-based small molecule for solution-processed OPVs is synthesized. The chemical additive has a profound effect in refining the morphology and, thus, significantly increases the efficiencies of the devices. The role of the additive is characterized by various techniques and the additive-driven structure-property relationship is established, which reveals that the additive affects the crystallization, PCBM aggregation, and phase separation.
Medical subject headings
- Pyrroles
- Solar Energy