Au/BiFeO3复合材料的激子-等离子体耦合压电光催化降解多污染物

IF 3.9 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: B Pub Date : 2025-06-30 DOI:10.1016/j.mseb.2025.118571

Zhanpeng Zuo , Changcheng Lin , Wenrui Zhao , Yue Wang , Dongyun Li , Qiong Wu , Hongliang Ge , Pingzhan Si , Yanting Yang

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引用次数: 0

摘要

我们报道了AuX/BiFeO3复合材料（AuX/BFO）（其中X = 10、20或30 mL的HAuCl4溶液用于合成）在分解各种有机污染物方面的协同压电效应和激子等离子体增强的压电光催化性能。在BFO模板中加入金纳米粒子，通过增强光吸收和促进载流子分离，显著提高了光催化效率。具体而言，Au20/BFO表现出优异的光催化性能，在10 min内降解量为10 mg/L的98.2%的亚甲基蓝（MB）溶剂，性能优于许多已报道的光催化材料。Au20/BFO对MB的压电光催化活性为0.146 min−1，约为原始BFO的9.7倍。此外，Au20/BFO对盐酸四环素、罗丹明和甲基橙表现出优异的压光催化降解效果。该研究增强了我们对这些基本原理的理解，并为设计多功能环境应用的高性能催化剂提供了一种新的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Exciton-plasmon coupled piezo-photocatalysis in Au/BiFeO3 composites for multi-pollutant degradation

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Exciton-plasmon coupled piezo-photocatalysis in Au/BiFeO3 composites for multi-pollutant degradation

We report the synergistic piezoelectric effect and exciton-plasmon enhanced piezo-photocatalytic performance in AuX/BiFeO₃ composites (AuX/BFO) (where X = 10, 20, or 30 mL of HAuCl₄ solution used in synthesis) in breaking down various organic pollutants. Incorporating Au nanoparticles into the BFO template notably enhanced the photocatalytic efficiency by enhancing light absorption and promoting charge carrier separation. Specifically, Au20/BFO displayed excellent piezo-photocatalytic performance, degrading 98.2 % Methylene Blue (MB) solvent at an amount of 10 mg/L within only 10 min, performing better than many reported photocatalytic materials. The piezo-photocatalytic activity of Au20/BFO for MB was 0.146 min⁻¹, approximately 9.7 times more than that of pristine BFO. In addition, Au20/BFO demonstrated a superior piezo-photocatalytic degradation efficacy for tetracycline hydrochloride, rhodamine, and methyl orange. The study enhances our understanding of these fundamental principles and provides a novel approach for designing high-performance catalysts in multifunctional environmental applications.

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来源期刊

Materials Science and Engineering: B 工程技术-材料科学：综合

CiteScore

5.60

自引率

2.80%

发文量

481

审稿时长

3.5 months

期刊介绍： The journal provides an international medium for the publication of theoretical and experimental studies and reviews related to the electronic, electrochemical, ionic, magnetic, optical, and biosensing properties of solid state materials in bulk, thin film and particulate forms. Papers dealing with synthesis, processing, characterization, structure, physical properties and computational aspects of nano-crystalline, crystalline, amorphous and glassy forms of ceramics, semiconductors, layered insertion compounds, low-dimensional compounds and systems, fast-ion conductors, polymers and dielectrics are viewed as suitable for publication. Articles focused on nano-structured aspects of these advanced solid-state materials will also be considered suitable.