Three-dimensional carrier pathway by triazine-based porous organic polymer for efficient inverted perovskite solar cells

JiHyun Lim; Min-Sung Kim; Woongsik Jang; Jin Kuen Park; Dong Hwan Wang

doi:10.1117/12.2571637

20 August 2020 Three-dimensional carrier pathway by triazine-based porous organic polymer for efficient inverted perovskite solar cells

JiHyun Lim, Min-Sung Kim, Woongsik Jang, Jin Kuen Park, Dong Hwan Wang

Author Affiliations +

Proceedings Volume 11474, Organic, Hybrid, and Perovskite Photovoltaics XXI; 1147420 (2020) https://doi.org/10.1117/12.2571637
Event: SPIE Organic Photonics + Electronics, 2020, Online Only

Conference Poster

Abstract

Porous organic polymers (POP) materials are two and three-dimensional structures formed through covalent bonds and lead to effective charge extraction through large contact areas [1,2]. In this study, by adjusting the synthetic strategy for porous organic polymers (T-POP), soluble, hypertonic and crosslinked polymers with alkyl-modified perylene motifs were produced [3]. As the surface area of this polymer expands, the frequency of contact of molecules between optically active units, such as the perylene motifs of the framework, increases, and π-π stacking becomes stronger. Facilitated charge carrier transport in inverted perovskite solar cells. The T-POP interlayer improves the morphology of the surface on the PC70BM layer to induce smooth current flow and builds an electron carrier pathway by stacking a three-dimensional vertical structure. As a result, the stability of the device was increased by T-POP, and the power conversion efficiency of the applied device was increased by 13%.

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JiHyun Lim, Min-Sung Kim, Woongsik Jang, Jin Kuen Park, and Dong Hwan Wang "Three-dimensional carrier pathway by triazine-based porous organic polymer for efficient inverted perovskite solar cells", Proc. SPIE 11474, Organic, Hybrid, and Perovskite Photovoltaics XXI, 1147420 (20 August 2020); https://doi.org/10.1117/12.2571637

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