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Title: | A giant tunable piezoelectric performance in two-dimensional In<sub>2</sub>Se<sub>3</sub> via interface engineering | Authors: | Yuan, SG Zhang, YM Dai, MZ Chen, YC Yu, HY Ma, ZS Io, WF Luo, X Hou, PF Hao, JH |
Issue Date: | Mar-2024 | Source: | Advanced electronic materials, Mar. 2024, v. 10, no. 3, 2300741 | Abstract: | Two-dimensional (2D) layered piezoelectric materials have attracted enormous interest, which leads to wide applications in stretchable electronic, energy and biomedicine. The piezoelectric properties of 2D materials are mainly modulated by strain, thickness, defect engineering and stacked structure. However, the tunability of piezoelectric properties is typically limited by the small variation within one order of magnitude. It is challenging to obtain high tunable piezoelectric properties of 2D materials. Here, this study reports that the out-of-plane piezoelectric properties of 2D van der Waals In2Se3 are significantly manipulated using interface engineering. The variation value of piezoelectric properties is above two orders of magnitude, giving rise to the highest variation value in the 2D piezoelectric materials system. In particular, the 2D materialsIn(2)Se(3) can be directly fabricated onto silicon substrate, which suggests its compatibility with the state-of-the-art silicon semiconductor technology. Combining the experimental and computational results, this study reveals that the ultrahigh tunable piezoelectric properties result from the interface charge transfer effect. The work opens the door to design and modulate the unprecedented applications of atomic-scale smart and multifunctional devices. | Keywords: | 2D materials Indium selenide Interface engineering Piezoelectric properties |
Publisher: | John Wiley & Sons | Journal: | Advanced electronic materials | EISSN: | 2199-160X | DOI: | 10.1002/aelm.202300741 | Rights: | © 2023 The Authors. Advanced Electronic Materials published by Wiley-VCH GmbH. This is an open access article under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited. The following publication S. Yuan, Y. Zhang, M. Dai, Y. Chen, H. Yu, Z. Ma, W. F. Io, X. Luo, P. Hou, J. Hao, A Giant Tunable Piezoelectric Performance in Two-dimensional In2Se3 via Interface Engineering. Adv. Electron. Mater. 2024, 10, 2300741 is available at https://dx.doi.org/10.1002/aelm.202300741. |
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