BiVO4 microstructures with various morphologies: Synthesis and characterization

被引：73

作者：

Wu, Min ^{[1
]}

Jing, Qifeng ^{[1
]}

Feng, Xinyan ^{[1
]}

Chen, Limiao ^{[1
]}

机构：

[1] Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2018年 / 427卷

基金：

中国国家自然科学基金;

关键词：

Bismuth vanadate; Hydrothermal synthesis; Morphology; Photocatalytic activity; Dye degradation; DRIVEN PHOTOCATALYTIC PERFORMANCE; BI-BASED PHOTOCATALYSTS; VISIBLE-LIGHT; HIERARCHICAL STRUCTURES; WATER OXIDATION; RHODAMINE-B; WASTE-WATER; DOPED BIVO4; DEGRADATION; CRYSTALS;

D O I：

10.1016/j.apsusc.2017.07.299

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Bismuth vanadate (BiVO4) microstructures with dumbbell, rod, ellipsoid, sphere, and cake-like morphologies have been successfully fabricated by using a surfactant-free hydrothermal method, in which the morphology of the BiVO4 microstructures can be tuned by simply varying the molar ratio of Bi(NO)(3).5H(2)O to NaVO3 in the starting materials. Based on a series of contrast experiments, the probable formation mechanism of the BiVO4 microstructures with multiple shapes have been proposed. The photocatalytic performances of the as-prepared BiVO4 microstructures have been evaluated by studying the degradation of Rhodamine B solutions under visible light irradiation. The results reveal that the cake-like BiVO4 microstructures exhibit the higher photocatalytic activity than other BiVO4 microstructures due to its high surface area and unique morphology. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：525 / 532

页数：8

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