Understanding mechanisms and applications of dilute donor non-fullerene organic solar cells

Fengling Zhang; Nannan Yao; Yanfeng Liu

doi:10.1117/12.2633050

3 October 2022 Understanding mechanisms and applications of dilute donor non-fullerene organic solar cells

Fengling Zhang, Nannan Yao, Yanfeng Liu

Proceedings Volume PC12209, Organic, Hybrid, and Perovskite Photovoltaics XXIII; PC1220908 (2022) https://doi.org/10.1117/12.2633050
Event: SPIE Organic Photonics + Electronics, 2022, San Diego, California, United States

Abstract

The composition dependence of OSCs based on PM6 and Y6 was studied. Surprisingly, a power conversion eﬃciency (PCE) over 10% was achieved in the OSCs with 10 wt % PM6. Study indicates that 10 wt % PM6 is sufficient to provide efficient hole transport.[1] Furthermore, vacuum free solution-processed semitransparent OSCs (ST-OSCs) containing 10% - 45% PM6 were studied by employing PEDOT:PSS as an electrode. The light utilization eﬃciency (LUE) of 2.72% (defined as a product of PCE and AVT) was realized in ST-OSCs with 20 wt % PM6, which is among the best reported values for solution-processed ST-OSCs. This work provides a straightforward approach to achieve high LUE solution-processed ST-OSCs by combining small fraction visible-absorbing donors with more near-infrared acceptors, which opens applications of ST-OSCs as BIPVs.

Conference Presentation

Citation Download Citation

Fengling Zhang, Nannan Yao, and Yanfeng Liu "Understanding mechanisms and applications of dilute donor non-fullerene organic solar cells", Proc. SPIE PC12209, Organic, Hybrid, and Perovskite Photovoltaics XXIII, PC1220908 (3 October 2022); https://doi.org/10.1117/12.2633050

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