Publication | Closed Access
Electron-rich Five-membered Ring of Azulene as a Donor Unit in Donor–Acceptor Alternating Copolymers for Polymer Solar Cell Applications
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Citations
21
References
2014
Year
Power ConversionEngineeringOrganic Solar CellResponsive PolymersChemistryPhotovoltaicsPolymersAbstract Novel Donor–acceptorPolymer TechnologyMacromolecular EngineeringSolar Cell StructuresDonor–acceptor Alternating CopolymersHybrid MaterialsPolymer ChemistryMaterials ScienceSolar PowerDonor UnitElectron-rich Five-membered RingPolymer ScienceConjugated PolymerSolar CellsPolymer SynthesisSolar Cell Materials
Abstract Novel donor–acceptor alternating polymers containing an electron-rich five-membered ring in azulene as a donor unit and diketopyrrolopyrrole or 2,1,3-benzothiadiazole unit as an acceptor unit were synthesized. The azulene-based copolymers displayed broad absorption bands in the visible region. The photovoltaic devices consisting of the polymer and a fullerene derivative ([70]PCBM) showed power conversion efficiencies up to 0.39% under simulated AM 1.5G irradiation of 100 mW cm−2.
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