钙钛矿BiFeO3纳米粒子修饰聚二甲基硅氧烷提高摩擦电纳米发电机性能

IF 2.9 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Technology Pub Date : 2022-10-26 DOI:10.1080/10667857.2022.2138804

Kun Zhao, Xueting Zhang, Haoran Lv, Wanru Sun, Ming Zhong, Maocheng Liu, Hongjie Liu, Ding Zhang

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引用次数: 2

摘要

摩擦纳米发电机(TENGs)在微电子领域具有巨大的应用潜力。摩擦电层表面电荷密度低是制约摩擦电层输出性能的关键问题之一。在此，我们报告了使用BiFeO3@polydimethylsiloxane (BFO@PDMS)复合薄膜作为摩擦电层的高性能TENG。结果表明，少量BFO颗粒的掺杂可以显著提高PDMS膜的介电常数和表面积，使摩擦电层的表面电荷密度达到最大。优化掺杂浓度后，BFO@PDMS复合膜的介电常数比纯PDMS膜的介电常数高14.2%。BFO@PDMS-based TENG的最大输出电压和电流分别为180 V和30 μA，与纯PDMS薄膜相比分别提高了200%和500%，可驱动一块电子表和点亮52个led，在微电子器件中具有潜在的应用前景。

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Boosting performance of triboelectric nanogenerator via polydimethylsiloxane modified with perovskite BiFeO3 nanoparticles

ABSTRACT Triboelectric nanogenerators (TENGs) have great potential applications in the field of microelectronics. However, the low surface charge density of the triboelectric layer is one of the key problems greatly limiting its output performance. Herein, we report a high-performance TENG using BiFeO3@polydimethylsiloxane (BFO@PDMS) composite film as a triboelectric layer. The results indicate that doping a small amount of BFO particles can significantly increase the dielectric constant and surface area of the PDMS film, which maximises the surface charge density of the triboelectric layer. With an optimized doping concentration , the dielectric constant of BFO@PDMS composite film is 14.2% higher than that of the pure PDMS film. The BFO@PDMS-based TENG delivers a maximum output voltage and current of 180 V and 30 μA, corresponding to 200% and 500% increases compared with pure PDMS film, respectively, which can drive an electronic watch and light 52 LEDs, indicating potential applications in microelectronic devices.

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来源期刊

Materials Technology 工程技术-材料科学：综合

CiteScore

6.00

自引率

9.70%

发文量

105

审稿时长

8.7 months

期刊介绍： Materials Technology: Advanced Performance Materials provides an international medium for the communication of progress in the field of functional materials (advanced materials in which composition, structure and surface are functionalised to confer specific, applications-oriented properties). The focus is on materials for biomedical, electronic, photonic and energy applications. Contributions should address the physical, chemical, or engineering sciences that underpin the design and application of these materials. The scientific and engineering aspects may include processing and structural characterisation from the micro- to nanoscale to achieve specific functionality.