High efficiency solar light photocatalytic degradation of mordant blue 9 by monoclinic BiVO4 nanopowder

被引：0

作者：

Jelic, Stefan T. ^{[1
]}

Cirkovic, Jovana ^{[2
]}

Jovanovic, Jelena ^{[1
]}

Novakovic, Tatjana ^{[3
]}

Podlogar, Matejka ^{[4
]}

Mitric, Jelena ^{[5
]}

Brankovic, Goran ^{[1
]}

Brankovic, Zorica ^{[1
]}

机构：

[1] Univ Belgrade, Inst Multidisciplinary Res, Ctr Excellence Green Technol, Kneza Viseslava 1, Belgrade 11000, Serbia

[2] Univ Belgrade, Inst Multidisciplinary Res, Dept Mat Sci, Kneza Viseslava 1, Belgrade 11000, Serbia

[3] Univ Belgrade, Inst Chem Technol & Met, Dept Catalysis & Chem Engn, Njegoseva 12, Belgrade 11000, Serbia

[4] Jozef Stefan Inst, Jamova Cesta 39, Ljubljana 1000, Slovenia

[5] Univ Belgrade, Inst Phys, Lab Elect Mat, Pregrev 118, Belgrade 11000, Serbia

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2025年 / 333卷

关键词：

Solar light photocatalysis; Bismuth vanadate; Mordant blue 9; CATION-PI INTERACTIONS; METHYLENE-BLUE; PHOTOINDUCED DESORPTION; AQUEOUS-SOLUTIONS; DYES; ADSORPTION; TIO2; CO;

D O I：

10.1016/j.matchemphys.2024.130341

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The research presented in this paper focuses on the influence of solution pH on the photocatalytic activity of single-phase monoclinic BiVO4 nanopowder degrading highly toxic textile dye Mordant Blue 9 (MB9) under the simulated solar irradiation. BiVO4 nanopowder was synthetized using a sonochemical route. The catalyst was confirmed to be single-phase and have relatively high surface area with mesoporous nanoparticles with 50 nm in diameter on average. Band gap was estimated to be 2.38 eV, proving high absorbance of the visible light. Photodegradation was observed in different pH values (pH = 1, 6, 8, 9, 11, 13) and the mechanism was proposed. Influence of catalyst concentration and its reusability at pH =13 are also reported, showing no activity loss after four cycles.

引用

页数：8

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