Crystal growth of mixed‐valence ammonium vanadates | Zendy

Ren TieZhen | Zendy; Yuan ZhongYong | Zendy; Zou Xiaodong | Zendy

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Crystal growth of mixed‐valence ammonium vanadates

Author(s) -

Ren TieZhen,

Yuan ZhongYong,

Zou Xiaodong

Publication year - 2007

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.200610821

Subject(s) - vanadate , calcination , valence (chemistry) , chemistry , crystallography , ammonium , inorganic chemistry , hydrothermal circulation , hydrothermal synthesis , copolymer , materials science , nuclear chemistry , chemical engineering , catalysis , polymer , organic chemistry , engineering

A new method has been developed for the synthesis of mixed‐valence ammonium vanadate crystals. Single crystals of (NH 4 ) 2 V 3 O 8 were synthesized on a large scale by hydrothermal reduction of NH 4 VO 3 in ethanol‐H 2 O solutions in the presence of triblock copolymer Pluronic P123. The crystals are shining thin plates with (001) cleavage planes. Calcination of the (NH 4 ) 2 V 3 O 8 crystals at 300°C or above resulted in pure phases of V 2 O 5 . (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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