Conductive conjugated polyelectrolyte as hole-transporting layer for organic bulk heterojunction solar cells.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 24170587.
- Also identified by DOI 10.1002/adma.201302845.
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Abstract
Poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) has been extensively used as the hole-transporting layer (HTL) in bulk heterojunction (BHJ) solar cells, however, its anisotropic electrical conduction and intrinsic acidic nature generally limit the device performance. Here we demonstrate the application of a water/alcohol soluble CPE (CPE-K) as HTLs in BHJ solar cells, achieving a PCE up to 8.2%. The more superior and uniform vertical electrical conductivity found in CPE-K reduces the series resistance and provides efficient hole extraction.
Medical subject headings
- Electrolytes
- Polymers
- Polystyrenes
- Solar Energy
- Thiadiazoles
- Thiophenes