Promotion of the photocatalytic activity of H4Nb 6O17 by modifying the layered structure

Peilin Zhang; Shu Yin; Ruixing Li; Tsugio Sato

doi:10.2109/jcersj2.115.898

Promotion of the photocatalytic activity of H₄Nb ₆O₁₇ by modifying the layered structure

Peilin Zhang, Shu Yin, Ruixing Li, Tsugio Sato

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

6 Citations (Scopus)

Abstract

The layered structure of H₄Nb₆O₁₇ prepared by the proton exchange of K₄Nb₆O₁₇ was modified by using various n-alkylamines as swelling agents to enlarge the interlayer space. The incorporation of TiO₂ into the interlayer space was also attempted. XRD, EDX, and TG-DTA measurements were employed to characterize the products. The photocatalytic activities were evaluated by NO_x destruction under photo-irradiation with different light wavelengths. The results showed that the photocatalytic activity of a layered compound could be significantly promoted just by enlarging the interlayer space of it. And the incorporation of TiO₂ could further enhance the activity.

Original language	English
Pages (from-to)	898-900
Number of pages	3
Journal	Journal of the Ceramic Society of Japan
Volume	115
Issue number	1348
DOIs	https://doi.org/10.2109/jcersj2.115.898
Publication status	Published - 2007 Dec

Keywords

Intercalation
Interlayer space
Layered compound
Niobic hydroxide
Photocatalytic activity

ASJC Scopus subject areas

Ceramics and Composites
Chemistry(all)
Condensed Matter Physics
Materials Chemistry

Access to Document

10.2109/jcersj2.115.898

Cite this

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title = "Promotion of the photocatalytic activity of H4Nb 6O17 by modifying the layered structure",

abstract = "The layered structure of H4Nb6O17 prepared by the proton exchange of K4Nb6O17 was modified by using various n-alkylamines as swelling agents to enlarge the interlayer space. The incorporation of TiO2 into the interlayer space was also attempted. XRD, EDX, and TG-DTA measurements were employed to characterize the products. The photocatalytic activities were evaluated by NOx destruction under photo-irradiation with different light wavelengths. The results showed that the photocatalytic activity of a layered compound could be significantly promoted just by enlarging the interlayer space of it. And the incorporation of TiO2 could further enhance the activity.",

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AU - Zhang, Peilin

AU - Yin, Shu

AU - Li, Ruixing

AU - Sato, Tsugio

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AB - The layered structure of H4Nb6O17 prepared by the proton exchange of K4Nb6O17 was modified by using various n-alkylamines as swelling agents to enlarge the interlayer space. The incorporation of TiO2 into the interlayer space was also attempted. XRD, EDX, and TG-DTA measurements were employed to characterize the products. The photocatalytic activities were evaluated by NOx destruction under photo-irradiation with different light wavelengths. The results showed that the photocatalytic activity of a layered compound could be significantly promoted just by enlarging the interlayer space of it. And the incorporation of TiO2 could further enhance the activity.

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KW - Layered compound

KW - Niobic hydroxide

KW - Photocatalytic activity

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