New Fe2TiO5-based nanoheterostructured mesoporous photoanodes with improved visible light photoresponses

Abstract : Triphasic nanocrystalline porous material based Fex-TiO2 anatase, pseudo-brookite and hematite are generated via a simple templated growth based strategy followed by carefully controlled temperature/atmosphere treatments. As shown by XRD, SEM, and TEM experiments the resulting nano-crystalline mesoporous films exhibit optimized bicontinuous pore-solid architectures and high surface-areas. Mössbauer spectroscopy and XPS analyses indicate that FeIII is the main iron oxidation state present in the films.
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https://hal.archives-ouvertes.fr/hal-00975353
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Submitted on : Tuesday, April 8, 2014 - 2:40:13 PM
Last modification on : Wednesday, July 10, 2019 - 12:28:15 PM

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Émilie Courtin, G. Baldinozzi, Moulay Tahar Sougrati, Lorenzo Stievano, Clément Sanchez, et al.. New Fe2TiO5-based nanoheterostructured mesoporous photoanodes with improved visible light photoresponses. Journal of Materials Chemistry. A, Royal Society of Chemistry, 2014, 2 (18), pp.6567-6577. ⟨10.1039/C4TA00102H⟩. ⟨hal-00975353⟩

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