Bipolar metal oxide charge transporting layers for efficient perovskite solar cells

Chih-Wei Chu; Mriganka Singh

doi:10.1117/12.3027856

30 September 2024 Bipolar metal oxide charge transporting layers for efficient perovskite solar cells

Chih-Wei Chu, Mriganka Singh

Proceedings Volume 13123, Organic, Hybrid, and Perovskite Photovoltaics XXV; 131230S (2024) https://doi.org/10.1117/12.3027856
Event: Organic Photonics + Electronics, 2024, San Diego, California, United States

Abstract

Metal oxide materials are crucial for efficient perovskite solar cells (PSCs) due to their stability and wide bandgap. We introduce a low-temperature intercalation method using p-type nickel oxide (NiO) with cesium carbonate (Cs2CO3) to enable bipolar charge transport in PSCs. The Cs2CO3-intercalated NiO serves as both hole and electron transport layers in inverted and conventional planar PSCs, enhancing electron extraction without compromising hole extraction efficiency. This approach achieves power conversion efficiencies of up to 12.08% and 13.98% for inverted and conventional planar PSCs, respectively, while also providing a potential route for tandem optoelectronics.

Conference Presentation

Citation Download Citation

Chih-Wei Chu and Mriganka Singh "Bipolar metal oxide charge transporting layers for efficient perovskite solar cells", Proc. SPIE 13123, Organic, Hybrid, and Perovskite Photovoltaics XXV, 131230S (30 September 2024); https://doi.org/10.1117/12.3027856

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