Understanding the charge-transfer state and singlet exciton emission from solution-processed small-molecule organic solar cells.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 25212949.
- Also identified by DOI 10.1002/adma.201402423.
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Abstract
Electroluminescence (EL) from the charge-transfer state and singlet excitons is observed at low applied voltages from high-performing small-molecule bulk-heterojunction solar cells. Singlet emission from the blends emerges upon altering the processing conditions, such as thermal annealing and processing with a solvent additive, and correlates with improved photovoltaic performance. Low-temperature EL measurements are utilized to access the physics behind the singlet emission.
Medical subject headings
- Solar Energy