Enhanced piezo-response in copper halide perovskites based PVDF composite films

Sheng Huang; Gang Tang; Hailong Huang; Xian gang Wu; Puming Zhou; Lin Zou; Lei Xie; Jianming Deng; Xueyun Wang; Haizheng Zhong; Jiawang Hong

doi:10.1016/j.scib.2018.07.014

Enhanced piezo-response in copper halide perovskites based PVDF composite films

Sheng Huang, Gang Tang, Hailong Huang, Xian gang Wu, Puming Zhou, Lin Zou, Lei Xie, Jianming Deng, Xueyun Wang, Haizheng Zhong^*, Jiawang Hong

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

35 Citations (Scopus)

Abstract

In-situ fabricated perovskite nanocrystals in polymeric matrix provide new generation composite materials for plenty of cutting edge technology. In this work, we report the in-situ fabrication of copper halide perovskite (MA₂CuCl₄, MA:CH₃NH₃ ⁺) embedded poly(vinylidene fluoride) (PVDF) composite films. The optimized MA₂CuCl₄/PVDF composite films exhibit greatly enhanced piezo-response in comparasion with pure PVDF films. The enhancements were invesitgated and explained by applying piezo-response force microscopy (PFM) measurements and density functional theory (DFT) caculations. We proposed that the high piezoelectric properties of MA₂CuCl₄/PVDF composite films could be related to the large Cu off-centering displacement, the strong interactions between MA₂CuCl₄ and PVDF as well as large stress concentration around the MA₂CuCl₄ particles in the films. These piezoelectric composite films are expected to be suitable functional materials for flexible and/or wearable piezoelectrics.

Original language	English
Pages (from-to)	1254-1259
Number of pages	6
Journal	Science Bulletin
Volume	63
Issue number	19
DOIs	https://doi.org/10.1016/j.scib.2018.07.014
Publication status	Published - 15 Oct 2018

Keywords

Composite films
MACuCl
Perovskite
Piezoelectric

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10.1016/j.scib.2018.07.014

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title = "Enhanced piezo-response in copper halide perovskites based PVDF composite films",

abstract = "In-situ fabricated perovskite nanocrystals in polymeric matrix provide new generation composite materials for plenty of cutting edge technology. In this work, we report the in-situ fabrication of copper halide perovskite (MA2CuCl4, MA:CH3NH3 +) embedded poly(vinylidene fluoride) (PVDF) composite films. The optimized MA2CuCl4/PVDF composite films exhibit greatly enhanced piezo-response in comparasion with pure PVDF films. The enhancements were invesitgated and explained by applying piezo-response force microscopy (PFM) measurements and density functional theory (DFT) caculations. We proposed that the high piezoelectric properties of MA2CuCl4/PVDF composite films could be related to the large Cu off-centering displacement, the strong interactions between MA2CuCl4 and PVDF as well as large stress concentration around the MA2CuCl4 particles in the films. These piezoelectric composite films are expected to be suitable functional materials for flexible and/or wearable piezoelectrics.",

keywords = "Composite films, MACuCl, Perovskite, Piezoelectric",

author = "Sheng Huang and Gang Tang and Hailong Huang and Wu, {Xian gang} and Puming Zhou and Lin Zou and Lei Xie and Jianming Deng and Xueyun Wang and Haizheng Zhong and Jiawang Hong",

note = "Publisher Copyright: {\textcopyright} 2018 Science China Press",

year = "2018",

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doi = "10.1016/j.scib.2018.07.014",

language = "English",

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AU - Huang, Sheng

AU - Tang, Gang

AU - Huang, Hailong

AU - Wu, Xian gang

AU - Zhou, Puming

AU - Zou, Lin

AU - Xie, Lei

AU - Deng, Jianming

AU - Wang, Xueyun

AU - Zhong, Haizheng

AU - Hong, Jiawang

PY - 2018/10/15

Y1 - 2018/10/15

N2 - In-situ fabricated perovskite nanocrystals in polymeric matrix provide new generation composite materials for plenty of cutting edge technology. In this work, we report the in-situ fabrication of copper halide perovskite (MA2CuCl4, MA:CH3NH3 +) embedded poly(vinylidene fluoride) (PVDF) composite films. The optimized MA2CuCl4/PVDF composite films exhibit greatly enhanced piezo-response in comparasion with pure PVDF films. The enhancements were invesitgated and explained by applying piezo-response force microscopy (PFM) measurements and density functional theory (DFT) caculations. We proposed that the high piezoelectric properties of MA2CuCl4/PVDF composite films could be related to the large Cu off-centering displacement, the strong interactions between MA2CuCl4 and PVDF as well as large stress concentration around the MA2CuCl4 particles in the films. These piezoelectric composite films are expected to be suitable functional materials for flexible and/or wearable piezoelectrics.

AB - In-situ fabricated perovskite nanocrystals in polymeric matrix provide new generation composite materials for plenty of cutting edge technology. In this work, we report the in-situ fabrication of copper halide perovskite (MA2CuCl4, MA:CH3NH3 +) embedded poly(vinylidene fluoride) (PVDF) composite films. The optimized MA2CuCl4/PVDF composite films exhibit greatly enhanced piezo-response in comparasion with pure PVDF films. The enhancements were invesitgated and explained by applying piezo-response force microscopy (PFM) measurements and density functional theory (DFT) caculations. We proposed that the high piezoelectric properties of MA2CuCl4/PVDF composite films could be related to the large Cu off-centering displacement, the strong interactions between MA2CuCl4 and PVDF as well as large stress concentration around the MA2CuCl4 particles in the films. These piezoelectric composite films are expected to be suitable functional materials for flexible and/or wearable piezoelectrics.

KW - Composite films

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KW - Perovskite

KW - Piezoelectric

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ER -

Enhanced piezo-response in copper halide perovskites based PVDF composite films

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Keywords

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