Spin-cast bulk heterojunction solar cells: a dynamical investigation.
basic_science · Level V
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- Record sourced from PubMed, PMID 23436738.
- Also identified by DOI 10.1002/adma.201203440.
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Abstract
Spin-coating is extensively used in the lab-based manufacture of organic solar cells, including most of the record-setting solution-processed cells. We report the first direct observation of photoactive layer formation as it occurs during spin-coating. The study provides new insight into mechanisms and kinetics of bulk heterojunction formation, which may be crucial for its successful transfer to scalable printing processes.