The Dark Side of Lead-Free Metal Halide Nanocrystals: Substituent-Modulated Photocatalytic Activity in Benzyl Bromide Reduction

[Image: see text] We illustrate here the high photocatalytic activity of sustainable lead-free metal halide nanocrystals (NCs), namely, Cs(3)Sb(2)Br(9) NCs, in the reduction of p-substituted benzyl bromides in the absence of a cocatalyst. The electronic properties of the benzyl bromide substituents...

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Detalles Bibliográficos
Autores principales: Rosa-Pardo, Ignacio, Zhu, Dongxu, Cortés-Villena, Alejandro, Prato, Mirko, De Trizio, Luca, Manna, Liberato, Galian, Raquel E., Pérez-Prieto, Julia
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2023
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10262690/
https://www.ncbi.nlm.nih.gov/pubmed/37324538
http://dx.doi.org/10.1021/acsenergylett.3c00771
Descripción
Sumario:[Image: see text] We illustrate here the high photocatalytic activity of sustainable lead-free metal halide nanocrystals (NCs), namely, Cs(3)Sb(2)Br(9) NCs, in the reduction of p-substituted benzyl bromides in the absence of a cocatalyst. The electronic properties of the benzyl bromide substituents and the substrate affinity to the NC surface determine the selectivity in C–C homocoupling under visible light irradiation. This photocatalyst can be reused for at least three cycles and preserves its good performance with a turnover number of ca. 105,000.

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