Microwave-assisted synthesis of a Z-scheme heterojunction Ag/AgBr@BiOBr/Bi₂O₃ photocatalyst for efficient organic pollutant degradation under visible light

Abstract

A plasmonic Z-scheme photocatalyst comprised of Ag/AgBr-decorated BiOBr/Bi2O3 nanosheets was synthesized successfully using a rapid microwave-assisted one-step approach. The Ag/AgBr particles were generated simultaneously on the surface of the BiOBr/Bi2O3...

Construction of a Z-scheme heterojunction bifunctional photocatalyst with Ag-modified AgBr embedded in β-Bi2O3 flowers

“…Under visible light irradiation and without a sacrificial agent, the photocatalytic nitrogen fixation rate reached 364.2 mmol g À1 h À1 , and the photodegradation of RhB was completed within 30 min by Ag/AgBr-d-Bi 2 O 3 . Nguyen et al 40 synthesized the Ag/AgBr@ BiOBr/Bi 2 O 3 nanosheet plasma Z-type photocatalyst, which showed obvious photocatalytic activity against TCH (93.7%), MO (96.6%) and RhB (100%) under visible light.…”

Synthesis of BiFeO3/ZnMgAl-LDH nanocomposite for instantaneous decolorization of methylene blue by ultrasonic induced adsorption system: characterization and equilibrium studies

“…Organic dyes are broadly applied in industries, including pharmaceuticals, paper, leather, textiles, makeup, and plastics, as a colorant agent [1][2][3][4][5][6]. Up to 20% of total dye output is wasted during industrial processing, causing pollution and eutrophication and disturbing aquatic habitats [7][8][9].…”

Construction of a Z-scheme Ag2MoO4/BiOBr heterojunction for photocatalytically removing organic pollutants

“…Although both BOB and AMO are highlighted as promising photocatalysts, their photocatalytic activities are not yet satisfactory for practical application in water purification and, therefore, need to be further improved via various modification measures, particularly construction of heterojunctions with other semiconductors. [34][35][36][37][38][39][40] By theoretically calculating the CB/VB potentials and work functions of BOB and AMO, it is noted that the two semiconductors are especially suitable for constructing Z-scheme heterojunctions. In this study, we have assembled AMO nanoparticles onto BOB nanosheets to construct a novel Z-scheme AMO/BOB heterojunction photocatalyst.…”

“…Although both BOB and AMO are highlighted as promising photocatalysts, their photocatalytic activities are not yet satisfactory for practical application in water purification and, therefore, need to be further improved via various modification measures, particularly construction of heterojunctions with other semiconductors. 34–40…”