New Fe sub(2)TiO sub(5)-based nanoheterostructured mesoporous photoanodes with improved visible light photoresponses

Triphasic nanocrystalline porous material based Fe sub(x)-TiO sub(2) 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-cryst...

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Published inJournal of materials chemistry. A, Materials for energy and sustainability Vol. 2; no. 18; pp. 6567 - 6577
Main Authors Courtin, E, Baldinozzi, G, Sougrati, M T, Stievano, L, Sanchez, C, Laberty-Robert, C
Format Journal Article
LanguageEnglish
Published 01.04.2014
Subjects
Anatase
Iron
Mossbauer spectroscopy
Nanocrystals
Porous materials
Strategy
Sustainability
X-ray photoelectron spectroscopy
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Summary:Triphasic nanocrystalline porous material based Fe sub(x)-TiO sub(2) 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. Mossbauer spectroscopy and XPS analyses indicate that Fe super(III) is the main iron oxidation state present in the films.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ISSN:2050-7488
2050-7496
DOI:10.1039/c4ta00102h