Crystal growth, structural and electrical properties of rubidium and cesium vanadium oxide bronzes

An unhydrated phase of the potassium intercalate of the hydrated vanadium oxides in Part 1 has been synthesized in a hydrothermal VO(OH)2aKCl system. It, is formulated as &.5v205 and adopts the monoclinic system C2/m with a= 11.688(2) A, 6 =3.668(1) A, c = 9.505(2) A and = 92.24(1)". A single-crystal structure analysis revealed a 6-Ago.,V205 type structure (R/R, = 0.061 /0.048), which involved a three-dimensional structure of the double-sheet V,05 layer proposed in Part 1. &, 5v205 was converted into a hydrated phase, Ko,V205*H20, by oxidation or by lowering the potassium content, which expanded the layer spacing from 9.50 A to 10.88 A. The reverse change from &.3v205* H20 to &, 5v205 was effected by using a reducing agent such as a potassium iodide solution. The hydration process seems to be controlled by the interlayer potassium content.

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Layered structures of hydrated vanadium oxides. Part 5.—Single-crystal structure of Rb_0.5V₂O₅and phase changes of rubidium intercalate

Yao¹,

Oka²,

Yamamoto³

1996

J. Mater. Chem.

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Crystal growth, structural and electrical properties of rubidium and cesium vanadium oxide bronzes

Cited by 4 publications

References 22 publications

Vanadium pentoxide and vanadium oxide bronzes—Structural chemistry of single (S) and double (D) layer MxV2O5 phases

Vanadium pentoxide and vanadium oxide bronzes—Structural chemistry of single (S) and double (D) layer MxV2O5 phases

Layered structures of hydrated vanadium oxides. Part 4.—Single-crystal structure and phase conversion of the unhydrated potassium intercalate K_0.5V₂O₅

Layered structures of hydrated vanadium oxides. Part 5.—Single-crystal structure of Rb_0.5V₂O₅and phase changes of rubidium intercalate

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Crystal growth, structural and electrical properties of rubidium and cesium vanadium oxide bronzes

Cited by 4 publications

References 22 publications

Vanadium pentoxide and vanadium oxide bronzes—Structural chemistry of single (S) and double (D) layer MxV2O5 phases

Vanadium pentoxide and vanadium oxide bronzes—Structural chemistry of single (S) and double (D) layer MxV2O5 phases

Layered structures of hydrated vanadium oxides. Part 4.—Single-crystal structure and phase conversion of the unhydrated potassium intercalate K0.5V2O5

Layered structures of hydrated vanadium oxides. Part 5.—Single-crystal structure of Rb0.5V2O5and phase changes of rubidium intercalate

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Layered structures of hydrated vanadium oxides. Part 4.—Single-crystal structure and phase conversion of the unhydrated potassium intercalate K_0.5V₂O₅

Layered structures of hydrated vanadium oxides. Part 5.—Single-crystal structure of Rb_0.5V₂O₅and phase changes of rubidium intercalate