PBCDTBTandPBCDPP2Tare synthesized by introducing an oxygen atom in the fluorene unit inPFDTBTandPFDPP2T, respectively.PBCDTBT- andPBCDPP2T-based devices exhibit higherJSCs thanPFDTBTandPFDPP2T-based devices, respectively.
PBCDTBT和PBCDPP2T是通过在PFDTBT和PFDPP2T中的芴单元中引入氧原子来合成的。基于PBCDTBT和PBCDPP2T的器件分别比基于PFDTBT和PFDPP2T的器件表现出更高的JSC。