Characterization of a new potassium titanate, KTiO2(OH) synthesized via hydrothermal method

Naruhiko Masaki; Satoshi Uchida; Hisanori Yamane; Tsugio Sato

doi:10.1021/cm0107427

Characterization of a new potassium titanate, KTiO₂(OH) synthesized via hydrothermal method

Naruhiko Masaki, Satoshi Uchida, Hisanori Yamane, Tsugio Sato

Division of Inorganic Material Research

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

A new potassium titanate, KTiO₂(OH), synthesized by hydrothermal oxidation of Ti metal powder in KOH solution was characterized. The X-ray photospectroscopy revealed that titanium contained in this compound consists of only Ti⁴⁺, and FT-IR spectrum supported the existence of hydroxyl group in the structure. It was found that the titanate has a hexagonal tunnel structure with the space group P6₁22 and lattice parameters a = 9.8889 Å and c = 28.6711 Å, by crystal structure analysis with the use of powder XRD pattern. This agrees with the results of electron diffraction and morphology observed by SEM. The heating of KTiO₂(OH) above 528 °C led to dehydration and phase transformation to give K₂Ti₂O₅.

Original language	English
Pages (from-to)	419-424
Number of pages	6
Journal	Chemistry of Materials
Volume	14
Issue number	1
DOIs	https://doi.org/10.1021/cm0107427
Publication status	Published - 2002

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Materials Chemistry

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title = "Characterization of a new potassium titanate, KTiO2(OH) synthesized via hydrothermal method",

abstract = "A new potassium titanate, KTiO2(OH), synthesized by hydrothermal oxidation of Ti metal powder in KOH solution was characterized. The X-ray photospectroscopy revealed that titanium contained in this compound consists of only Ti4+, and FT-IR spectrum supported the existence of hydroxyl group in the structure. It was found that the titanate has a hexagonal tunnel structure with the space group P6122 and lattice parameters a = 9.8889 {\AA} and c = 28.6711 {\AA}, by crystal structure analysis with the use of powder XRD pattern. This agrees with the results of electron diffraction and morphology observed by SEM. The heating of KTiO2(OH) above 528 °C led to dehydration and phase transformation to give K2Ti2O5.",

author = "Naruhiko Masaki and Satoshi Uchida and Hisanori Yamane and Tsugio Sato",

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T1 - Characterization of a new potassium titanate, KTiO2(OH) synthesized via hydrothermal method

AU - Masaki, Naruhiko

AU - Uchida, Satoshi

AU - Yamane, Hisanori

AU - Sato, Tsugio

PY - 2002

Y1 - 2002

N2 - A new potassium titanate, KTiO2(OH), synthesized by hydrothermal oxidation of Ti metal powder in KOH solution was characterized. The X-ray photospectroscopy revealed that titanium contained in this compound consists of only Ti4+, and FT-IR spectrum supported the existence of hydroxyl group in the structure. It was found that the titanate has a hexagonal tunnel structure with the space group P6122 and lattice parameters a = 9.8889 Å and c = 28.6711 Å, by crystal structure analysis with the use of powder XRD pattern. This agrees with the results of electron diffraction and morphology observed by SEM. The heating of KTiO2(OH) above 528 °C led to dehydration and phase transformation to give K2Ti2O5.

AB - A new potassium titanate, KTiO2(OH), synthesized by hydrothermal oxidation of Ti metal powder in KOH solution was characterized. The X-ray photospectroscopy revealed that titanium contained in this compound consists of only Ti4+, and FT-IR spectrum supported the existence of hydroxyl group in the structure. It was found that the titanate has a hexagonal tunnel structure with the space group P6122 and lattice parameters a = 9.8889 Å and c = 28.6711 Å, by crystal structure analysis with the use of powder XRD pattern. This agrees with the results of electron diffraction and morphology observed by SEM. The heating of KTiO2(OH) above 528 °C led to dehydration and phase transformation to give K2Ti2O5.

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Characterization of a new potassium titanate, KTiO₂(OH) synthesized via hydrothermal method

Abstract

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