基于MoS<sub>2</sub>改性BaTiO<sub>3</sub>/P(VDF-TrFE)压电传感器的制备与性能研究

王举旗; 郝文淇; 闫兆轩; 马全斌; 冯适; 李蕊

doi:10.13568/j.cnki.651094.651316.2025.01.15.0001

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基于MoS₂改性BaTiO₃/P(VDF-TrFE)压电传感器的制备与性能研究

更新时间：2026-01-21

- 基于MoS₂改性BaTiO₃/P(VDF-TrFE)压电传感器的制备与性能研究
- Journal of Xinjiang University (Natural Science Edition in Chinese and English) Vol. 42, Issue 6, Pages: 699-708(2025)
- 作者机构：
  
  1. 新疆大学材料科学与工程学院
  2. 新疆大学物理科学与技术学院新疆固体物理与器件重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13568/j.cnki.651094.651316.2025.01.15.0001
  CLC： TB332;TP212
- Published：2025
- 稿件说明：
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[1]王举旗,郝文淇,闫兆轩,等.基于MoS_2改性BaTiO_3/P(VDF-TrFE)压电传感器的制备与性能研究[J].新疆大学学报(自然科学版中英文),2025,42(06):699-708.
[1]王举旗,郝文淇,闫兆轩,等.基于MoS_2改性BaTiO_3/P(VDF-TrFE)压电传感器的制备与性能研究[J].新疆大学学报(自然科学版中英文),2025,42(06):699-708. DOI： 10.13568/j.cnki.651094.651316.2025.01.15.0001.

DOI：10.13568/j.cnki.651094.651316.2025.01.15.0001.

摘要

通过聚乙烯吡咯烷酮(PVP)修饰的钛酸钡(BTO@PVP)纳米颗粒与二硫化钼(MoS2)的协同作用，开发具有增强压电性能的聚(偏氟乙烯-三氟乙烯)[P(VDF-TrFE)]基复合材料．X射线衍射(XRD)与透射电镜(TEM)表征证实PVP修饰在保持BTO钙钛矿晶体结构(空间群：P4mm)的同时，构建了均匀的聚合物-纳米颗粒界面．静电纺丝制备的BTO@PVP/P(VDF-TrFE)纤维膜呈现高度有序排列结构，其β相含量经傅里叶变换红外光谱(FTIR)定量分析达83.5%.MoS2涂层形成二维导电网络，显著提升电荷传输效率．优化后的MoS2-BTO@PVP/P(VDF-TrFE)传感器在36 N/3 Hz循环载荷下输出电压达4.5 V，较基础材料提升80%．电化学阻抗谱显示器件在100Ω负载下稳定输出1pW功率，验证了其在低功耗可穿戴设备与物联网系统中的适用性．研究为多尺度界面工程开发高性能压电传感器提供了新策略．

Abstract

This study develops poly(vinylidene fiuoride-trifiuoroethylene) [P(VDF-TrFE)]-based composites with enhanced piezoelectric performance through the synergistic integration of polyvinylpyrrolidone(PVP)-modified barium titanate(BTO@PVP) nanoparticles and molybdenum disulfide(MoS2). Structural characterization via Xray diffraction(XRD) and transmission electron microscopy(TEM) confirms that PVP functionalization preserved the perovskite crystal structure of BTO(space group: P4 mm) while establishing a uniform polymer-nanoparticle interface. The BTO@PVP/P(VDF-TrFE) nanofiber membranes fabricated via electrospinning exhibit highly aligned architectures

with β-phase content quantified by Fourier-transform infrared(FTIR) spectroscopy reaching 83.5%.The conformal MoS2 coating forms a two-dimensional conductive network

significantly improving charge transfer efficiency. The optimized MoS2-BTO@PVP/P(VDF-TrFE) sensor demonstrates an output voltage of 4.5 V under cyclic loading(36 N/3 Hz)

representing an 80% enhancement over baseline materials. Electrochemical impedance spectroscopy reveals stable power output(1 pW at 100 Ω load)

validating its applicability in low-power wearable devices and internet of things(IoT) systems. This work provides a novel strategy for developing high-performance piezoelectric sensors through multiscale interface engineering.

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references

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基于MoS2改性BaTiO3/P(VDF-TrFE)压电传感器的制备与性能研究

DOI：10.13568/j.cnki.651094.651316.2025.01.15.0001

摘要

Abstract

关键词

Keywords

references

基于MoS₂改性BaTiO₃/P(VDF-TrFE)压电传感器的制备与性能研究