Efficient halide-based perovskite optoelectronic devices using conjugated polyelectrolytes

Myoung Hoon Song

doi:10.1117/12.2594329

1 August 2021 Efficient halide-based perovskite optoelectronic devices using conjugated polyelectrolytes

Myoung Hoon Song

Proceedings Volume 11808, Organic and Hybrid Light Emitting Materials and Devices XXV; 1180813 (2021) https://doi.org/10.1117/12.2594329
Event: SPIE Organic Photonics + Electronics, 2021, San Diego, California, United States

Abstract

Halide-based perovskite materials have been spotlighted in light-emitting diodes and perovskite solar cells applications due to their excellent optical and electrical characteristics. In particular, excellent film quality of perovskite with defect passivation is required to obtain highly efficient and stable perovskite optoelectronic devices. However, lots of undesired trap sites by defect sites such as voids, pinholes, grain boundaries and under-coordinated ions in surface of film can be formed in solution-processed perovskite films, reducing the device performance and operational stability of perovskite devices. Here, we demonstrate efficient perovskite optoelectronic devices by incorporating poly(fluorene-phenylene)-based anionic conjugated polyelectrolytes (CPEs).

Conference Presentation

Citation Download Citation

Myoung Hoon Song "Efficient halide-based perovskite optoelectronic devices using conjugated polyelectrolytes", Proc. SPIE 11808, Organic and Hybrid Light Emitting Materials and Devices XXV, 1180813 (1 August 2021); https://doi.org/10.1117/12.2594329

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