Photo-tribocatalysis in Sr2Bi4Ti5O18 for dye degradation

被引：0

作者：

Rahul ^{[1
]}

Chauhan, Vishal Singh ^{[1
]}

Vaish, Rahul ^{[1
]}

机构：

[1] Indian Inst Technol Mandi, Sch Mech & Mat Engn, Mandi 175005, Himachal Prades, India

来源：

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2025年 / 317卷

关键词：

Ferroelectric; Synergistic effect; Photo-tribocatalysis; PHOTOCATALYSIS; EFFICIENCY;

D O I：

10.1016/j.mseb.2025.118207

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This study investigates the catalytic performance and synergistic effect of Sr2Bi4Ti5O18 (SBT) powder in degrading Rhodamine B (RhB) dye through photocatalysis, tribocatalysis, and photo-tribocatalysis. The synthesized (solid-state reaction route) SBT powder was characterized using Raman spectroscopy, scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and X-ray diffraction (XRD). The catalytic performance was evaluated at different stirring rates, with tribocatalysis at 600 rpm achieving approximately 92 % dye degradation within 12 h. In 90 min, photocatalysis and tribocatalysis individually degraded about 24 % and 30 % of the dye, respectively. However, the combined photo-tribocatalysis showed enhanced performance, reaching 56 % degradation within the same duration, indicating a synergistic improvement of around 19 %. Furthermore, ball milling the SBT powder for 12 h significantly enhanced its catalytic activity, achieving approximately 97 % degradation in 90 min.

引用

页数：12

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