An easy and effective method to modulate molecular energy level of the polymer based on benzodithiophene for the application in polymer solar cells.
basic_science · Level V
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- Record sourced from PubMed, PMID 24347435.
- Also identified by DOI 10.1002/adma.201304631.
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Abstract
Attaching meta-alkoxy-phenyl groups as conjugated side chains is an easy and effective way to modulate the molecular energy level of D-A polymer for photovoltaic application, and the polymer solar cells based on the polymer consisting meta-alkoxy-phenyl groups as conjugated side chain, PBT-OP, shows an enhanced open circuit voltage and thus higher efficiency of 7.50%, under the illumination of AM 1.5G, 100 mW/cm(2) .