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Composition and morphology control of Fe x (PO 4 ) y (OH) z ·nH 2 O microcrystals
Author(s) -
Ming Hai,
Yu Hang,
Wei Huaixin,
Liu Yang,
Li Haitao,
He Xiaodie,
Huang Hui,
Kang Zhenhui
Publication year - 2011
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.201100100
Subject(s) - x ray photoelectron spectroscopy , scanning electron microscope , morphology (biology) , crystallography , molar ratio , hydrothermal circulation , chemistry , hydrothermal synthesis , x ray crystallography , spectroscopy , analytical chemistry (journal) , nuclear chemistry , diffraction , materials science , catalysis , chemical engineering , physics , nuclear magnetic resonance , geology , paleontology , biochemistry , optics , chromatography , quantum mechanics , engineering , composite material
A series of Fe x (PO 4 ) y (OH) z ·nH 2 O microcrystals were prepared by the hydrothermal reaction at 150 °C. The ratio of Fe 2+ /Fe 3+ in Fe x (PO 4 ) y (OH) z ·nH 2 O microcrystals can be adjusted by using Na 2 S 2 O 3 ·5H 2 O as a reducing agent. The morphology control of Fe x (PO 4 ) y (OH) z ·nH 2 O microcrystals was realized through regulating the molar ratio of LiAc·2H 2 O/FeCl 3 . Further, the morphology, structure and composition of Fe x (PO 4 ) y (OH) z ·nH 2 O microcrystals were also investigated by x‐ray diffraction (XRD), x‐ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM) techniques. (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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