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随着社会经济的快速发展，能源短缺和环境污染等问题日益凸显，压电催化技术得以发展。钛酸钡(BaTiO3)因其优异的压电性能、较低的制备成本与良好的机械稳定性，被广泛应用于压电催化领域。当前，BaTiO3基压电材料的应用研究主要集中在降解有机污染物、分解H_2O制H2、生产H_2O2以及医学应用等方面。随着研究的深入，BaTiO3基压电材料在压电催化应用领域的研究也逐渐拓展到了CO2还原、氮气(N2)固定、重金属离子去除等新兴领域。本文围绕BaTiO3基压电材料，首先讨论其压电催化机理，然后介绍其能量来源。随后，将集中探讨BaTiO3在压电催化领域的众多应用，系统回顾其在污染物降解(如有机染料和抗生素降解)、能源制备(如H_2O2、H2制备)、CO2还原、固氮以及医学等多个领域的重要进展，深入分析BaTiO3基压电催化剂在应用中面临的挑战，并探讨潜在的优化策略，以推动其在压电催化中的进一步发展和应用。
Abstract：With the rapid development of socio-economic structures, energy shortages and environmental pollution increasingly emerge as global challenges, creating opportunities for the advancement of piezoelectric catalytic technology. Barium titanate(BaTiO3) is extensively utilized in piezoelectric catalysis due to its low cost, robust mechanical stability, and exceptional piezoelectric properties. The existing research on BaTiO3-based piezoelectric materials primarily concentrates on their application in the degradation of organic pollutants, water decomposition for hydrogen production, hydrogen peroxide synthesis, and various medical applications. As research deepens, the scope of BaTiO3-based piezoelectric materials in piezoelectric catalysis expands to some areas such as CO2 reduction, nitrogen(N2) fixation, and heavy metal ion removal. This review focuses on BaTiO3-based piezoelectric materials, initially detailing their piezoelectric catalytic mechanisms and briefly outlining their energy sources. This review also represents some applications of BaTiO3 in piezoelectric catalysis, highlighting significant advancements in diverse areas such as pollutant degradation(i.e., organic dyes and antibiotics), energy production(i.e., hydrogen peroxide and hydrogen), CO2 reduction, nitrogen fixation, and medical applications. Furthermore, this review critically examines some challenges faced by BaTiO3-based piezoelectric catalysts in practical applications and discusses potential optimization strategies to facilitate their development and application in the field of piezoelectric catalysis. Summary and prospects BaTiO3 is widely investigated as a piezoelectric catalyst due to its high safety, low preparation cost, stability, and environmental friendliness. This review provides a comprehensive review of the catalytic mechanisms of BaTiO3-based piezoelectric materials, their energy sources, and recent advancements in the field of piezoelectric catalysis. The existing research into the applications of BaTiO3-based materials primarily focuses on organic pollutant degradation, hydrogen production via water splitting, hydrogen peroxide synthesis, and biomedical uses. However, most studies remain in lab-scale and do not deal with industrial applications. The practical applications of BaTiO3-based materials face some challenges despite having superior piezoelectric catalytic performance in various fields. Firstly, in practical applications, BaTiO3 suffers from a low carrier concentration and a rapid recombination rate, restricting its catalytic efficiency. Secondly, there is a lack of comprehensive understanding of the piezoelectric catalytic mechanisms of BaTiO3. The band theory and shielding charge effects are used to explain these mechanisms, but they do not fully elucidate all catalytic phenomena. The existing research shows that the piezoelectric effect of BaTiO3 can enhance reactant conversion. However, the specific reaction pathways and intermediate formation mechanisms require a further investigation. In addition, the stability and reusability of BaTiO3-based piezoelectric catalytic materials in practical applications need a urgent attention. To address these challenges, future research should focus on the following aspects: 1) Development of new material systems and optimization of modification strategies: Moving beyond conventional modification frameworks and exploring composition design methods utilizing machine learning can develop composite structures with gradient piezoelectric characteristics. A photopiezoelectric dual-drive catalytic system can be created to achieve a synergistic enhancement in carrier generation and separation via coupling plasmon resonance effects with piezoelectric responses. Interface engineering of two-dimensional materials, such as MXene, can offer new insights for constructing efficient charge transfer channels. 2) In-depth study of catalytic mechanisms: A multi-scale characterization platform is established via integrating in-situ transmission electron microscopy with ultrafast spectroscopy to monitor interfacial charge dynamics induced by piezoelectric potentials in real-time. Dynamic density functional theory(DFT) calculation methods are developed to elucidate the nonlinear coupling mechanisms among stress, potential, and catalytic activity, especially focusing on the formation and conversion pathways of transient intermediate states. 3) Expansion and optimization of practical applications: BaTiO3-based piezoelectric catalysts in more complex real-world environmental systems, such as industrial wastewater treatment, are implemented to assess their performance and limitations, thereby promoting the industrial application of piezoelectric catalysis technology. In addition, material designs with self-healing capabilities are also explored to enhance long-term stability and recyclability, preventing secondary pollution.
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基本信息:
DOI：10.14062/j.issn.0454-5648.20250161
中图分类号:TB34;O643.36
引用信息:
[1]梁乾森,谢兵,高文鹏,等.钛酸钡基压电材料的压电催化研究进展[J].硅酸盐学报,2026,54(03):1097-1116.DOI:10.14062/j.issn.0454-5648.20250161.
基金信息:
国家自然科学基金(52462018); 江西省杰出青年基金(20224ACB214007)资助
2025-03-11
2025
2025-12-26
2025
1
2026-02-10
2026-02-10
2026-02-10