Selective Preparation of Monoclinic and Tetragonal BiVO<sub>4</sub>with Scheelite Structure and Their Photocatalytic Properties

Tokunaga, Saimi; Kato, Hideki; Kudo, Akihiko

doi:10.1021/cm0103390

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Selective Preparation of Monoclinic and Tetragonal BiVO4with Scheelite Structure and Their Photocatalytic Properties

Shared by NobleBlocks on Nov 30, 2001 • 12:00 AM UTC

Authors:

Saimi Tokunaga

Hideki Kato

Akihiko Kudo

Abstract

BiVO4 powder with scheelite structure was obtained by hydrolyzing a nitric acid solution of Bi(NO3)3 and Na3VO4 with bases (Na2CO3 and NaHCO3) at room temperature. Tetragonal BiVO4 of a high-temperature form was obtained after 4.5 h of preparation time while monoclinic BiVO4 was done after 46 h. Alt...

Subject

Monoclinic crystal system

Scheelite

Tetragonal crystal system

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