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Microstructure designed flexoelectric materials and tip force for multifunctional applications
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DOI：10.1016/j.nanoen.2024.110442.png)
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摘要
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Flexoelectricity with size-dependent induced polarization under nonuniform stress for high-efficient energy conversion has shown considerable potential in energy harvesting and electronic devices. By introducing material microstructure design and tip-force, the distribution of nonuniform stress can be remarkably enhanced and the flexoelectric performance can be improved. Based on the theoretical explanations and experiment tests of flexoelectric materials, we have reviewed research advances in the strategies for enhancing the flexoelectric effect from microscopic perspectives. Moreover, microscopic methods such as interface, defect, ultrathin material and tip-induced effects have effectively enhanced the flexoelectric effect. This review has emphasized on the use of flexoelectric materials developed using the microstructure design approach for use in nanogenerators, flexoelectronics, flexocatalysis, and biomedicine, particularly the in situ electric energy. Finally, challenges involved in further enhancing the flexoelectric performance and expanding the applications of such materials based on the microstructure design have been presented. This review is expected to promote the development of flexoelectric materials in flexible wearable electronic devices, bionic materials, intelligent soft-bodied robots, and weak-forcedriven catalysis.
Keyword:
Flexoelectricity
Strain gradients
Polarization
Microstructure design
期刊
IF:
17.1
论文数:
1.2W
被引数:
13.0W
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