NDLI: Structure and photocatalytic performance of K$_{1−3x }$M$_{ x }$TiNbO$

Content Provider	Springer Nature Link
Author	Dong, Rui Wang, Ning ning Wang, Yuan Lan, Yun xiang Hu, Jin song He, Jie
Copyright Year	2014
Abstract	Layered photocatalytic material K$_{1−3x }$M$_{ x }$TiNbO$_{5}$ (M = Fe, Ce) was prepared by the ion exchange of KTiNbO$_{5}$ with M(NO$_{3}$)$_{3}$. The structure and spectral response of the as-prepared samples were characterized by powder X-ray diffraction (XRD), laser Raman spectroscopy (LRS) and UV-vis diffuse reflectance spectroscopy (UV-vis DRS). Photocatalytic activity was evaluated by oxidizing ethyl mercaptan under natural light and UV light irradiation. Results indicated that the spectral response feature and photocatalytic oxidation activity were directly affected by the feature of the interlayer cations, including the Coulomb force field and electronic configuration. It could be related with a significant interaction between the interlayer cations and the terminal N=O (N = Nb, Ti) bond in the NO$_{6}$, octahedral unit in the laminate structure. Compared to K$_{1−3x }$Fe$_{ x }$TiNbO$_{5}$, K$_{1−3x }$Nb$_{ x }$TiNbO$_{5}$ shows a higher photocatalytic oxidation activity due to it has good adsorption ability for ethyl mercaptan and higher valance band potential.
Starting Page	1474
Ending Page	1480
Page Count	7
File Format	PDF
ISSN	10704272
Journal	Russian Journal of Applied Chemistry
Volume Number	87
Issue Number	10
e-ISSN	16083296
Language	English
Publisher	Pleiades Publishing
Publisher Date	2015-01-23
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Chemistry/Food Science Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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