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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.126  No.12 (December ) (2018)  >  pp.1005-1012

Journal of the Ceramic Society of Japan
<<Previous article Vol.126  No.12 (December ) (2018)   pp.1005 - 1012 Next article>>

Hydrothermal reaction of NaBiO3nH2O with transition-metal (Co, Ni, Cu) salts

Yo YAMAMOTO, Withanage Isuru Udakara WITHANAGE, Takahiro TAKEI, Sayaka YANAGIDA, Nobuhiro KUMADA, Hisanori YAMANE
Yo YAMAMOTO
Center for Crystal Science and Technology, University of Yamanashi
Withanage Isuru Udakara WITHANAGE
Center for Crystal Science and Technology, University of Yamanashi
Takahiro TAKEI
Center for Crystal Science and Technology, University of Yamanashi
Sayaka YANAGIDA
Center for Crystal Science and Technology, University of Yamanashi
Nobuhiro KUMADA
Center for Crystal Science and Technology, University of Yamanashi
Hisanori YAMANE
Institute of Multidisciplinary Research for Advanced Materials, Tohoku University

Hydrothermal reactions of a hydrated sodium bismuth oxide, NaBiO3・1.4H2O were performed with transition-metal salts MCl2, M(NO3)2 and MSO4 (M: Co, Ni, Cu). The common identified products from nitrate and chloride solutions were (Bi,M)2O2(OH)NO3 and (Bi,M)OCl, respectively and every product contained a small amount of unknown impurity phases. Various unknown phases also appeared in the products from the sulfate solutions, and no common crystalline phases were observed. During the course of these hydrothermal reactions, a new bismuth sulfate, BiOHSO4 was found by using a H2SO4 solution, and its crystal structure was clarified by using single-crystal X-ray diffraction data. No photocatalytic activity for the phenol degradation of BiOHSO4 was observed under ultraviolet and visible light irradiation.


Keyword:
Hydrothermal reaction, Bismuth oxide, Crystal structure, Photocatalysis

Received: March 20, 2018
Accepted: September 11, 2018 , Published online: December 01, 2018

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