Stabilisation of iron-oxo dimers in a natural layered clay for efficient photocatalysts comparable to TiO2

Hamza El-Hosainy; Ezz-Elregal M. Ezz-Elregal; Shinichiro Takano; Akio Iwanade; Takumi Miyakage; Duotian Chen; Chenxi He; Takashi Toyao; Ken-ichi Shimizu; Yusuke Ide; Tomohiko Okada

doi:10.1039/D5CC00333D

Stabilisation of iron-oxo dimers in a natural layered clay for efficient photocatalysts comparable to TiO₂†

Hamza El-Hosainy,‡^ab Ezz-Elregal M. Ezz-Elregal,‡^acd Shinichiro Takano,‡^e Akio Iwanade,^f Takumi Miyakage,^g Duotian Chen,^g Chenxi He,^g Takashi Toyao,

^g Ken-ichi Shimizu,

^g Yusuke Ide

*^ac and Tomohiko Okada

*^e

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* Corresponding authors

^a Research Centre for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan

^b Institute of Nanoscience and Nanotechnology, Kafrelsheikh University, Kafrelsheikh 33511, Egypt

^c Graduate School of Engineering Science, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan

^d Chemistry Department, Faculty of Science, Ain Shams University, Abbassia, Cairo 11566, Egypt

^e Department of Materials Chemistry, Faculty of Engineering, Shinshu University, 4-17-1, Wakasato, Nagano 380-8553, Japan

^f Research Network and Facility Services Division, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan

^g Institute for Catalysis Hokkaido University, N-21 W-10, Sapporo, Hokkaido 001-0021, Japan

Abstract

We report the stabilisation of otherwise fleeting iron(III)-oxo dimers in the interlayer space of a natural layered clay. The material shows a good photocatalytic activity toward the oxidation of formic acid in water and formaldehyde in air comparable to a benchmark TiO₂ photocatalyst.

This article is part of the themed collection: Chemistry for a Sustainable World – Celebrating Our Community Tackling Global Challenges

Chemical Communications

Stabilisation of iron-oxo dimers in a natural layered clay for efficient photocatalysts comparable to TiO₂†

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Stabilisation of iron-oxo dimers in a natural layered clay for efficient photocatalysts comparable to TiO₂

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