Photocatalytic Applications of Halide Perovskite Nanocrystals
Iván Mora-Sero a
a Institute of Advanced Materials (INAM), Universitat Jaume I, Avinguda de Vicent Sos Baynat, s/n, Castelló de la Plana, Spain
Proceedings of Applied Light-Matter Interactions in Perovskite Semiconductors 2021 (ALMIPS2021)
Online, Spain, 2021 October 5th - 7th
Organizers: Rafael Sánchez Sánchez and Miguel Anaya
Oral, Iván Mora-Sero, presentation 015
Publication date: 23rd September 2021

Halide perovskites have become extremely competitive optoelectronic materials because of their high sunlight-harvesting efficiency and notable charge carrier generation/transfer capabilities. These features have been recognized as the key factors for enhancing photoconversion efficiencies in solar photovoltaic devices. Furthermore, their fascinating photoluminescence quantum yield (PLQY) especially in the case of colloidal nanocrystals, induced by a low nonradiative carrier recombination effect, can explain the expansion of their applicability in the wide optoelectronic field. The outstanding PLQY of perovskite nanocrystals is the clear evidence of the significant reduction of non-radiative recombination pathways. Consequently, after photoexcitation, these systems present a pool of photoexcited carriers whose extra energy can be used in an efficient radiative emission or taken advantage of in different ways, such as providing work in solar cells or driving diverse chemical reactions. Here, we shown the application of inorganic halide perovskite nanocrystals in the photocatalytical and photoelectrochemical degradation of Organic compounds, highlighting the potentiality to drive both oxidation and reduction reactions.

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