Anilinium cation for 2D/3D perovskite with enhanced properties.
Bruno Clasen Hames a, Jesús Rodríguez-Romero a, Eva M. Barea a, Iván Mora-Sero a
a Universitat Jaume I, Institute of Advanced Materials (INAM) - Spain, Avinguda de Vicent Sos Baynat, Castelló de la Plana, Spain
International Conference on Hybrid and Organic Photovoltaics
Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV18)
Benidorm, Spain, 2018 May 28th - 31st
Organizers: Emilio Palomares and Rene Janssen
Poster, Bruno Clasen Hames, 263
Publication date: 21st February 2018

Three dimensional organic-inorganic trihalide perovskite have impressed the scientific community in the last few years due to its incredible photophysical properties, which allowed to reach values of power conversion efficiency (PCE) higher than 22%, coming close to the theoretical limit. Nevertheless, its long-term instability and in environmental conditions are factors that must be overcome for its future commercialization. A feasible alternative to solve this problem is to decrease the dimensionality of perovskite. In this work we report the fabrication of 2D and 2D/3D, perovskite solar cells, using a new cation different from those already extensively investigated, anilinium iodide. We investigated the effect that the temperature plays on the crystallization of this perovskite family and consequently on the efficiency of the devices. With a PCE of 7.63%, an open-circuit voltage (Voc) of 818.59 mV and a short-circuit current density (Jsc) of 13.79 mA/cm2 for n = 5, we can highlight the great potential of anilinium salt and encourage further studies with this class of material.

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