Achieving an excellent efficiency of 11.57% in a polymer solar cell submodule with a 55 cm2 active area using 1D/2A terpolymers and environmentally friendly nonhalogenated solvents
Hyeonwoo Jung,
Jongyoun Kim,
Jaehyoung Park,
Muhammad Jahankhan,
Youngjun Hwang,
Byeongjae Kang,
Hyerin Kim,
Ho‐Yeol Park,
Pyeongkang Ahn,
DuHyeon Um,
Je‐Sung Jee,
Won Suk Shin,
BongSoo Kim,
Sung‐Ho Jin,
Chang Eun Song,
Youngu Lee
Affiliations
Hyeonwoo Jung
Department of Energy Science and Engineering DGIST Daegu Republic of Korea
Jongyoun Kim
Department of Energy Science and Engineering DGIST Daegu Republic of Korea
Jaehyoung Park
Department of Energy Science and Engineering DGIST Daegu Republic of Korea
Muhammad Jahankhan
Advanced Energy Materials Research Center Korea Research Institute of Chemical Technology (KRICT) Daejeon Republic of Korea
Youngjun Hwang
Department of Energy Science and Engineering DGIST Daegu Republic of Korea
Byeongjae Kang
Department of Energy Science and Engineering DGIST Daegu Republic of Korea
Hyerin Kim
Department of Chemistry Education, Graduate Department of Chemical Materials Institute for Plastic Information and Energy Materials, Sustainable Utilization of Photovoltaic Energy Research Center (ERC), Pusan National University Busan Republic of Korea
Ho‐Yeol Park
Department of Chemistry Education, Graduate Department of Chemical Materials Institute for Plastic Information and Energy Materials, Sustainable Utilization of Photovoltaic Energy Research Center (ERC), Pusan National University Busan Republic of Korea
Pyeongkang Ahn
Department of Chemistry Ulsan National Institute of Science and Technology (UNIST) Ulsan Republic of Korea
DuHyeon Um
Graduate School of Semiconductor Materials and Device Engineering Ulsan National Institute of Science and Technology (UNIST) Ulsan Republic of Korea
Je‐Sung Jee
Department of Chemistry Education, Graduate Department of Chemical Materials Institute for Plastic Information and Energy Materials, Sustainable Utilization of Photovoltaic Energy Research Center (ERC), Pusan National University Busan Republic of Korea
Won Suk Shin
Advanced Energy Materials Research Center Korea Research Institute of Chemical Technology (KRICT) Daejeon Republic of Korea
BongSoo Kim
Department of Chemistry Ulsan National Institute of Science and Technology (UNIST) Ulsan Republic of Korea
Sung‐Ho Jin
Department of Chemistry Education, Graduate Department of Chemical Materials Institute for Plastic Information and Energy Materials, Sustainable Utilization of Photovoltaic Energy Research Center (ERC), Pusan National University Busan Republic of Korea
Chang Eun Song
Advanced Energy Materials Research Center Korea Research Institute of Chemical Technology (KRICT) Daejeon Republic of Korea
Youngu Lee
Department of Energy Science and Engineering DGIST Daegu Republic of Korea
Abstract The transition of polymer solar cells (PSCs) from laboratory‐scale unit cells to industrial‐scale modules requires the development of new p‐type polymers for high‐performance large‐area PSC modules based on environmentally friendly processes. Herein, a series of 1D/2A terpolymers (PBTPttBD) composed of benzo[1,2‐b:4,5‐b’]dithiophene (BDT‐F), thieno[3,4‐c]pyrrole‐4,6(5H)‐dione (TPD‐TT), and benzo‐[1,2‐c:4,5‐c’]dithiophene‐4,8‐dione (BDD) is synthesized for nonhalogenated solvent processed PSC submodules. The optical, electrochemical, charge‐transport, and nano‐morphological properties of the PBTPttBD terpolymers are modulated by adjusting the molar ratio of the TPD‐TT and BDD components. PBTPttBD‐75:BTP‐eC11‐based PSC submodules, processed with o‐xylene, achieve a notable PCE of 11.57% over a 55 cm2 active area. This PCE value is among the highest reported using a nonhalogenated solvent over a 55 cm2 active area module. The optimized PSC submodule exhibits minimal cell‐to‐module loss, which can be attributed to the optimized crystallinity of the PBTPttBD‐75:BTP‐eC11 photoactive layer system and favorable film formation kinetics.
