Journal of Semiconductors, Volume. 43, Issue 6, 060201(2022)

Large-area organic solar cells

Min Li1, Jilin Wang3, Liming Ding2, and Xiaoyan Du1
Author Affiliations
  • 1School of Physics, Shandong University, Jinan 250100, China
  • 2Center for Excellence in Nanoscience (CAS), Key Laboratory of Nanosystem and Hierarchical Fabrication (CAS), National Center for Nanoscience and Technology, Beijing 100190, China
  • 3School of Materials Science and Engineering, Key Laboratory of New Processing Technology for Nonferrous Metals and Materials (MoE), Guilin University of Technology, Guilin 541004, China
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    Organic solar cells (OSCs) have made significant progress due to the fast advances in nonfullerene acceptors (NFAs) since 2015[1-7]. The power conversion efficiency (PCE) for small-area single-junction OSCs is around 19% with an active area <0.1 cm 2[8-11]. Scalability is a key factor in developing this technology. When scaling lab cells to large-area modules, the device performance might drop. Brabec et al. proposed a stage–gate process for OSCs from R&D effort to commercialization, which includes materials development, processing, prototyping, pilot process and upscaling[12]. Lab-to-fab transfer involves processing environment (glovebox or ambient air), coating technique (spin coating or scalable techniques), device size (<1, 1–200, or >200 cm2), device type (cells or modules), top electrode (evaporated or printed) and solvent (halogenated or green). To visualize the upscaling losses, representative high-efficiency lab cells with small active areas and those single cells and modules with active area over 1 cm2 reported from 2018 to 2021 are summarized in Fig. 1(a) and Table 1. In addition, the records in NREL’s Champion Module Efficiencies Chart are also included for comparison[13]. The PCE usually declines with the increase of the active area of the devices.


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    Min Li, Jilin Wang, Liming Ding, Xiaoyan Du. Large-area organic solar cells[J]. Journal of Semiconductors, 2022, 43(6): 060201

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    Paper Information

    Category: Research highlights

    Received: Apr. 5, 2022

    Accepted: --

    Published Online: Jun. 10, 2022

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