Investigation of newly designed asymmetric chromophore in view of power conversion efficiency improvements for organic solar cells
Materials Letters, pp. 1268652019.
•Novel D1-π-A-D2 organic chromophore based on benzothiadiazole unit, OMe-BBTz is synthesized•OMe-BBTz exhibits small optical band gap of ~1.98 eV with reasonable HOMO (−5.39 eV)•ITO/PEDOT:PSS/OMe-BBTz:PC61BM (1:3, w/w)/Au shows PCE of 3.53 %with JSC of ~8.71 mA/cm2 and VOC of ~0.698 V.
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