Effect of Dimensional Regulation on the Piezocatalytic Activity and Hydrogen Peroxide Yield of Bismuth Ferrite

PENG Yawen; YANG Long; LAN Shenyu; YAN Wei

doi:10.7652/xjtuxb202601007

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Effect of Dimensional Regulation on the Piezocatalytic Activity and Hydrogen Peroxide Yield of Bismuth Ferrite

Special Topic Pollution Control and Resource Utilization in the “Dual Carbon”Context | 更新时间：2026-01-15

- Effect of Dimensional Regulation on the Piezocatalytic Activity and Hydrogen Peroxide Yield of Bismuth Ferrite
- Journal of Xi'an Jiaotong University Vol. 60, Issue 1, Pages: 63-71(2026)
- 作者机构：
  
  西安交通大学能源与动力工程学院，710049，西安
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb202601007
  CLC： X12;TQ421.1
- Received：21 May 2025，
  
  Published：10 January 2026
- 稿件说明：
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PENG Yawen, YANG Long, LAN Shenyu, et al. Effect of Dimensional Regulation on the Piezocatalytic Activity and Hydrogen Peroxide Yield of Bismuth Ferrite[J]. Journal of Xi'an Jiaotong University, 2026, 60(1): 63-71.
DOI：

PENG Yawen, YANG Long, LAN Shenyu, et al. Effect of Dimensional Regulation on the Piezocatalytic Activity and Hydrogen Peroxide Yield of Bismuth Ferrite[J]. Journal of Xi'an Jiaotong University, 2026, 60(1): 63-71. DOI： 10.7652/xjtuxb202601007.

摘要

为了阐明压电催化剂维度对压电催化性能的影响，利用水热法

分别合成了一维线状和二维片状铁酸铋（BiFeO

）压电材料，并系统研究了BiFeO

在低频超声振动下压电催化原位产过氧化氢（H

）的性能和机制。结果表明：线状BiFeO

的H

产率为2553.5μmol·g

-1

·h

-1

，高于片状BiFeO

的2078.9μmol·g

-1

·h

-1

，表明形貌对压电催化性能具有显著影响；相对于二维片状，一维线状BiFeO

在外力作用下更易形变弯曲，从而产生更强的压电响应、更高的压电电势、更低的界面电阻及更大的压电电流；·OH、·

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=112366761&type=

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=112366761&type=small

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=112366761&type=middle

、电子和空穴在H

生成过程中均起到重要作用，线状BiFeO

压电催化原位产生H

同时来源于水氧化和氧还原路径。研究通过“材料结构设计-催化性能测试-内在性质表征-反应机制探索”四维关联模型，为压电催化剂设计提供跨尺度优化策略，可为H

高效原位产生提供参考。

Abstract

To elucidate the influence of piezoelectric catalyst dimensions on piezocatalytic performance，one-dimensional wire-like and two-dimensional sheet-like bismuth ferrite (BiFeO

)piezoelectric materials are synthesized using a hydrothermal method.The performance and mechanism of in-situ H

generation via piezocatalysis by BiFeO

under low-frequency ultrasonic vibration are systematically investigated.The findings reveal that the H

yield of wire-like BiFeO

is 2553.5μmol·g

-1

·h

-1

，higher than the 2078.9 μmol·g

-1

·h

-1

yield of sheet-like BiFeO

，indicating that morphology significantly affects piezocatalytic performance.Compared to the two-dimensional sheets，the one-dimensional wire-like BiFeO

is more prone to deformation and bending un

der external force，resulting in a stronger piezoelectric response，higher piezoelectric potential，lower interfacial resistance，and larger piezoelectric current ·OH，·

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=112366733&type=

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=112366733&type=small

https://html.publish.founderss.cn/rc-pub/api/common/picture?pictureId=112366733&type=middle

，electrons，and holes all play important roles in the H

generation process.The H

in-situ

production via piezocatalysis by wire-like BiFeO

originates from both water oxidation and oxygen reduction pathways.Through a four dimensional correlation model of “material structure design-catalytic performance testing-intrinsic property characterization-reaction mechanism exploration”.It provides a cross-scale optimization strategy for the design of piezoelectric catalysts，offering a reference for the efficient

in-situ

production of H

关键词

Keywords

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Related Institution

Department of Environmental Science and Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University

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