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Lead sulfide nanocubes for solar energy storage

AuthorsLemsi, Amira; Cardenas-Morcoso, Drialys; Haro Remón, Marta ; Gil-Barrachina, Carlos; Aranda, Clara; Maghraoui-Meherzi, Hager; García-Tecedor, Miguel; Giménez, Sixto; Julián-López, Beatriz
Issue Date2020
CitationEnergy Technology 8/7): 2000301 (2020)
AbstractLead sulfide (PbS) nanocubes are produced by a very simple solvothermal procedure that uses a unique molecule, ethylenediamine, as solvent and capping ligand to control the size and shape of the nanocrystals. Detailed structural, optical, and photoelectrochemical evaluation confirms the suitability of these nanoparticles for photocapacitive applications, when synergistically combined with spin‐coated BiVO4 photoelectrodes, as derived from the estimated energy diagram. Furthermore, the p–n junction facilitates the photo‐oxidation of PbS nanoparticles under light irradiation. In the dark, the photogenerated charges are released providing an electric output response with a solar‐to‐current efficiency of 0.042%, storing extra energy to the H2 produced by water splitting when the BiVO4 photoanode works under illumination. Herein, the importance of the synthetic route and methodology to ensemble materials for advanced solar energy storage applications is highlighted.
Publisher version (URL)https://doi.org/10.1002/ente.202000301
Appears in Collections:(ICMA) Artículos
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