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Updated: Apr 28, 2026
Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer
Published on: January 10, 2017
Porphyrin-incorporated 2D D-A polymers with over 8.5% polymer solar cell efficiency
Yi-Hsiang Chao1, Jyun-Fong Jheng, Jhong-Sian Wu
1Department of Applied Chemistry, National Chiao Tung University, 1001 Ta Hsueh Road, Hsinchu, 30010, Taiwan; Department of Applied Chemistry, National Chi Nan University, 302 University Road, Puli, Nantou, 54561, Taiwan.
Abstract:
A copolymerization strategy is developed to utilize porphyrin as a complementary light-harvesting unit (LHU) in D-A polymers. For polymer solar cells (PSCs), the presence of LHUs increases the short-circuit current density (Jsc ) without sacrificing the open-circuit voltage (Voc ) and fill factor (FF). Up to 8.0% power conversion efficiency (PCE) is delivered by PPor-2:PC71 BM single-junction PSCs. A PCE of 8.6% is achieved when a C-PCBSD cathodic interlayer is introduced.
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