人工晶体学报2025，Vol.54Issue(6)：1027-1033,7.DOI:10.16553/j.cnki.issn1000-985x.2025.0004
CuO/BiVO4光催化剂的制备及催化还原溶液中六价铀的研究
Preparation of CuO/BiVO4 Photocatalyst and Catalytic Reduction of U(Ⅵ)in Solution
刘宸 1李小燕2
作者信息
- 1. 核工业二0三研究所,西安 710086
- 2. 东华理工大学核资源与环境国家重点实验室,南昌 330013
- 折叠
摘要
Abstract
The CuO/BiVO4 heterojunction catalyst responsive to visible light was prepared using the impregnation method.This catalyst was applied to the photocatalytic reduction process for the removal of U(Ⅵ)from aqueous solutions,and a systematic investigation was conducted to examine the influence of various reaction conditions on its photocatalytic performance.The synthesized samples were characterized by X-ray photoelectron spectroscopy(XPS),X-ray diffraction(XRD),and scanning electron microscope(SEM).Using U(Ⅵ)solution as the reactant,the influence of solution pH and sample dosage on the photocatalytic reduction activity of the prepared samples were investigated in this paper.The results show that under the conditions of a solution pH value of 5.5 and a photocatalyst dosage of 0.8 g/L,CuO/BiVO4 photocatalyst demonstrates a high catalytic reduction efficiency for the removal of U(Ⅵ)from solution,with the removal rate reaching up to 94%after 120 min.This study aims to explore the synthesis of novel heterojunction catalyst materials to address the issue of low photocatalytic efficiency in single-phase photocatalytic materials,thereby providing new insights and directions for research on the photocatalytic removal of U(Ⅵ)from solutions.关键词
CuO/BiVO4/U(Ⅵ)/可见光响应/催化还原/浸渍法Key words
CuO/BiVO4/U(Ⅵ)/responsive to visible light/catalytic reduction/impregnation method分类
化学引用本文复制引用
刘宸,李小燕..CuO/BiVO4光催化剂的制备及催化还原溶液中六价铀的研究[J].人工晶体学报,2025,54(6):1027-1033,7.
