The next step forward: Halide Perovskite Nanocrystals
Iván Mora-Seró 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
Oral, Iván Mora-Seró, presentation 128
DOI: https://doi.org/10.29363/nanoge.hopv.2018.128
Publication date: 21st February 2018

Halide Perovskite has excited the solar cell community by the quick rise of photoconversion efficiency to certified values close to 23%. Such outstanding behavior is based on, among other, in a low non-radiative recombination, making this family of materials attractive not just for photovoltaic devices but for other optolectronic devices as LEDs and lasers. Since the seminal works of Pérez-Prieto and Kovalenko, and coworkers, it can be observed even a further enhancement of the optical properties of this materials with photoluminescence quantum yields (PLQY) close to 100%, with nanoparticles prepared with easy procedures and without any core/shell structure. In thi presentation I will shown the recent results of my group on the preparation, study and characterization of halide perovskite nanoparticles with partial substitution of Pb by Sn, where Sn2+ cation is stabilized obtaining stable nanoparticles with outstanding optical properties. I will show the use of these halide perovskite nanocrystals in solar cells and LED devices, studying the contact effect on cell performance. Nanocrystals have been also electrochemically analyzed opening also a field for their use in alternative applications.

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