Boosting Piezoelectricity by 3D Printing PVDF-MoS2 Composite as a Conformal and High-Sensitivity Piezoelectric Sensor

Md Nurul Islam; Rifat Hasan Rupom; Pashupati R. Adhikari; Zoriana Demchuk; Ivan Popov; Alexei P. Sokolov; H. Felix Wu; Rigoberto C. Advincula; Narendra Dahotre; Yijie Jiang; Wonbong Choi

doi:10.1002/adfm.202302946

Boosting Piezoelectricity by 3D Printing PVDF-MoS₂ Composite as a Conformal and High-Sensitivity Piezoelectric Sensor

Md Nurul Islam, Rifat Hasan Rupom, Pashupati R. Adhikari, Zoriana Demchuk, Ivan Popov, Alexei P. Sokolov, H. Felix Wu, Rigoberto C. Advincula, Narendra Dahotre, Yijie Jiang, Wonbong Choi

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

55 Scopus citations

Abstract

Additively manufactured flexible and high-performance piezoelectric devices are highly desirable for sensing and energy harvesting of 3D conformal structures. Herein, the study reports a significantly enhanced piezoelectricity in polyvinylidene fluoride (PVDF) achieved through the in situ dipole alignment of PVDF within PVDF-2D molybdenum disulfide (2D MoS₂) composite by 3D printing. The shear stress-induced dipole poling of PVDF and 2D MoS₂ alignment are harnessed during 3D printing to boost piezoelectricity without requiring a post-poling process. The results show a remarkable, more than the eight-fold increment in the piezoelectric coefficient (d₃₃) for 3D printed PVDF-8wt.% MoS₂ composite over cast neat PVDF. The underlying mechanism of piezoelectric property enhancement is attributed to the increased volume fraction of β phase in PVDF, filler fraction, heterogeneous strain distribution around PVDF-MoS₂ interfaces, and strain transfer to the nanofillers as confirmed by microstructural analysis and finite element simulation. These results provide a promising route to design and fabricate high-performance 3D piezoelectric devices via 3D printing for next-generation sensors and mechanical–electronic conformal devices.

Original language	English
Article number	2302946
Journal	Advanced Functional Materials
Volume	33
Issue number	42
DOIs	https://doi.org/10.1002/adfm.202302946
State	Published - Oct 13 2023

Funding

M.N.I. and R.H.R. contributed equally to this work. The authors acknowledge the funding support by the Vehicle Technologies Office (VTO) within the Department of Energy (DOE) through grant number VTO CPS 36928, as well as the Center for Agile & Adaptive Additive Manufacturing (CAAAM) at the University of North Texas (UNT), which was funded through the State of Texas Appropriation via grant number 190405-105-805008-220. The authors would also like to acknowledge the DURIP program (FA9550-21-1-0162) for providing the funds for the in situ Raman system. In addition, RCA acknowledges work and support at ORNL's Center for Nanophase Materials and Sciences, a US Department of Energy Office of Science User Facility. Finally, the authors recognize the help provided by Dr. Alexis N Williams at ORNL in conducting HRTEM. M.N.I. and R.H.R. contributed equally to this work. The authors acknowledge the funding support by the Vehicle Technologies Office (VTO) within the Department of Energy (DOE) through grant number VTO CPS 36928, as well as the Center for Agile & Adaptive Additive Manufacturing (CAAAM) at the University of North Texas (UNT), which was funded through the State of Texas Appropriation via grant number 190405‐105‐805008‐220. The authors would also like to acknowledge the DURIP program (FA9550‐21‐1‐0162) for providing the funds for the in situ Raman system. In addition, RCA acknowledges work and support at ORNL's Center for Nanophase Materials and Sciences, a US Department of Energy Office of Science User Facility. Finally, the authors recognize the help provided by Dr. Alexis N Williams at ORNL in conducting HRTEM.

Keywords

2D MoS
3D printing
PVDF
numerical simulation
piezoelectric nanocomposites
understanding piezoelectric mechanism

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1002/adfm.202302946

Cite this

Islam, M. N., Rupom, R. H., Adhikari, P. R., Demchuk, Z., Popov, I., Sokolov, A. P., Wu, H. F., Advincula, R. C., Dahotre, N., Jiang, Y., & Choi, W. (2023). Boosting Piezoelectricity by 3D Printing PVDF-MoS₂ Composite as a Conformal and High-Sensitivity Piezoelectric Sensor. Advanced Functional Materials, 33(42), Article 2302946. https://doi.org/10.1002/adfm.202302946

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