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Anisotropic Growth of Iron Oxyhydroxide Nanorods and their Photocatalytic Activity
Author(s) -
Li Song,
Qin Gaowu W.,
Zhang Yudong,
Pei Wenli,
Zuo Liang,
Esling Claude
Publication year - 2010
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.201000081
Subject(s) - nanorod , photocatalysis , materials science , methyl orange , hydrothermal circulation , chemical engineering , anisotropy , degradation (telecommunications) , nanotechnology , catalysis , chemistry , optics , organic chemistry , telecommunications , physics , computer science , engineering
Iron (oxyhydr)oxides are promising candidates for highly efficient photocatalysts towards water splitting and degradation of organic pollutants under solar irradiation. In this paper, α‐FeOOH nanorods with diameters in the range 50–100 nm are successfully prepared through the hydrothermal method from different iron cations, and no organic surfactants or molecular stabilizers are adopted in the growth procedure. The origin of the 1D structure of α‐FeOOH is attributed to the anisotropic growth characteristics of the crystals, as predicted by the BFDH model. The photocatalytic properties of the nanorods obtained are evaluated by decomposing methyl orange in water under UV‐visible illumination.