Ca2+掺杂铁电BaTiO3对有机染料的压电催化降解研究

吴红菊; 武生林; 唱均尧

doi:10.19554/j.cnki.1001-3563.2026.19.003

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包装工程（技术栏目） ›› 2026, Vol. 47 ›› Issue (19) : 22-28. DOI: 10.19554/j.cnki.1001-3563.2026.19.003

先进材料

Ca²⁺掺杂铁电BaTiO₃对有机染料的压电催化降解研究

吴红菊^1,*, 武生林², 唱均尧¹

作者信息 +

Piezoelectric Catalytic Degradation of Organic Dyestuff by Ca²⁺Doped Ferroelectric BaTiO₃ Nanoparticles

WU Hongju^1,*, WU Shenglin², CHANG Junyao¹

Author information +

文章历史 +

摘要

目的利用铁电材料钛酸钡（BT）基于压电效应呈现出独特的压电催化特性,改善BT粒子对印染废液中有机染料的压电催化降解效率较低问题。方法本工作借助溶胶-凝胶法制备了Ca²⁺掺杂的纳米BT粒子,即钛酸钙钡Ba_1-_xCa_xTiO₃（BCT）（x为物质的量,mol）,研究了Ca²⁺掺杂量及煅烧温度对BCT结构及其对有机染料的压电催化降解性能的影响。结果在煅烧温度为700 ℃、Ca²⁺掺杂量0.10条件下合成的BCT对罗丹明B（RhB）染料的降解效果最优（94.35%）,而在煅烧温度700 ℃、Ca²⁺掺杂量0.20时合成的BCT对甲基橙（MO）染料的降解效果最优。结论本研究设计和合成的纳米BCT压电催化剂对RhB和MO均表现出良好的降解效果,有望在有机染料降解中获得应用。

Abstract

The work aims to utilize the unique piezoelectric catalytic properties of ferroelectric materials based on the piezoelectric effect to improve the low efficiency of piezoelectric catalytic degradation of organic dyes in printing and dyeing wastewater by ferroelectric barium titanate (BT) particles. Ca²⁺-doped nano-BT, namely calcium barium titanate Ba_1-_xCa_xTiO₃ (BCT) (x was the amount of substance, measured in moles), was prepared by the sol-gel method. The effects of Ca²⁺ doping amount and calcination temperature on the structure of BCT and its piezoelectric catalytic degradation performance for organic dyes were investigated. BCT synthesized at a calcination temperature of 700 °C with a Ca²⁺ doping amount of 0.10 exhibited the optimal degradation efficiency for Rhodamine B (RhB) dye (94.35%), while BCT synthesized at 700 °C with a Ca²⁺ doping amount of 0.20 showed the best degradation performance for Methyl Orange (MO) dye. The nano-BCT piezoelectric catalyst designed and synthesized in this work exhibits excellent degradation effects on RhB and MO, and is expected to be applied in the degradation of organic dyes.

导出引用

吴红菊, 武生林, 唱均尧. Ca²⁺掺杂铁电BaTiO₃对有机染料的压电催化降解研究[J]. 包装工程. 2026, 47(19): 22-28 https://doi.org/10.19554/j.cnki.1001-3563.2026.19.003

WU Hongju, WU Shenglin, CHANG Junyao. Piezoelectric Catalytic Degradation of Organic Dyestuff by Ca²⁺Doped Ferroelectric BaTiO₃ Nanoparticles[J]. Packaging Engineering. 2026, 47(19): 22-28 https://doi.org/10.19554/j.cnki.1001-3563.2026.19.003

中图分类号： TB34

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