Method for preparing Z-shaped photocatalytic material bismuth vanadate-silver-silver bromide

Method for preparing Z-shaped photocatalytic material bismuth vanadate-silver-silver bromide

The invention relates to a method for preparing Z-shaped photocatalytic material bismuth vanadate-silver-silver bromide. The method comprises the following steps: firstly, dispersing bismuth vanadate microcrystals in a water solution, adding a certain quantity of silver bromide, performing stirring...

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Hauptverfasser: ZHANG JINLONG, WU QIANGFANG, BAO SHENYUAN, LIU WEI, WANG QI, TIAN BAOZHU, CHI ZHILI, WANG HAOXUAN
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CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
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creator ZHANG JINLONG
WU QIANGFANG
BAO SHENYUAN
LIU WEI
WANG QI
TIAN BAOZHU
CHI ZHILI
WANG HAOXUAN
description The invention relates to a method for preparing Z-shaped photocatalytic material bismuth vanadate-silver-silver bromide. The method comprises the following steps: firstly, dispersing bismuth vanadate microcrystals in a water solution, adding a certain quantity of silver bromide, performing stirring till silver bromide is dissolved, and performing irradiation for 3 h by use of a 300 W xenon lamp to enable in-situ reduction of silver ions on the surface of bismuth vanadate to become silver nanoparticles (a faint yellow suspension becomes grey green); then, centrifugally washing obtained sediment for three times to remove impurity ions, and performing drying to obtain bismuth vanadate-silver; and finally, dispersing bismuth vanadate-silver in the water solution, adding ferric nitrate and a potassium bromide solution, enabling reaction for 1 h, and centrifugally washing to obtain a AgBr-Ag-BiVO4 photocatalytic material. The method has the advantages that the operation is simple, reaction conditions are mild, and
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subjects CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
title Method for preparing Z-shaped photocatalytic material bismuth vanadate-silver-silver bromide
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