Charge carrier dynamics in organic and perovskite solar cells
James Durrant b
a Department of Chemistry and Centre for Plastic Electronics, Imperial College London, South Kensington Campus, London, United Kingdom
b SPECIFIC IKC, College of Engineering, Swansea University, SA2 7AX, United Kingdom
Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics
Proceedings of International Conference on Perovskite and Organic Photovoltaics and Optoelectronics (IPEROP19)
Kyōto-shi, Japan, 2019 January 27th - 29th
Organizers: Hideo Ohkita, Atsushi Wakamiya and Mohammad Nazeeruddin
Keynote, James Durrant, presentation 081
Publication date: 23rd October 2018





The kinetics of charge generation, separation and recombination are critical to the function of both organic and perovskite solar cells. In my talk, I will address some of the factors determining these kinetics in both organic and perovskite solar cells, and how these impact upon device performance, discussing lessons learnt in particular from transient optical and optoelectronic measurements. I will start by introducing some of the key current challenges and opportunities for these devices. In organic solar cells, I will then go on to focus on a comparison of the kinetics of fullerene and non-fullerene acceptors, and the role of interfacial charge transfer states in limiting performance. For perovskite solar cells, I will focus on interfacial charge transfer and recombination in planar p-i-n MAPI3 based devices. The impact of tail states on charge carrier recombination, and thus on device performance, will be addressed for both devices. Throughout my talk, I will try to highlight the similarities and difference between these two classes of solar cells.



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