Thermally stable, adhesively strong graphene/polyimide films for inkjet printing ultrasound sensors

Pengyu Zhou; Yaozhong Liao; Xiongbin Yang; Yiyin Su; Jianwei Yang; Lei Xu; Kai Wang; Zhihui Zeng; Li min Zhou; Zhong Zhang; Zhongqing Su

doi:10.1016/j.carbon.2021.08.007

Thermally stable, adhesively strong graphene/polyimide films for inkjet printing ultrasound sensors

Pengyu Zhou, Yaozhong Liao, Xiongbin Yang, Yiyin Su, Jianwei Yang, Lei Xu, Kai Wang, Zhihui Zeng, Li min Zhou, Zhong Zhang, Zhongqing Su

Research output: Journal article publication › Journal article › Academic research › peer-review

21 Citations (Scopus)

Abstract

Targeting for flexible, broadband ultrasound sensors, a new breed of nanographene platelet (NGP)/polyimide (PI) film is inkjet printed with morphologically optimized NGP/poly (amic acid) hybrid-based nanocomposite ink. The ink is produced with high-shear liquid phase exfoliation from inexpensive bulk graphite, manifesting good printability and high graphene concentration as high as 13.1 mg mL⁻¹. Featuring an ultra-thin thickness (∼1 μm only), the inkjet-printed NGP/PI film sensor is demonstrated to possess excellent thermal stability and high adhesive strength reaching the American Society for Testing and Materials 5B level. The highly uniform and consolidated NGP/PI nanostructure in the sensor enables the formation of π-π interaction between NGPs and PI polymer matrix, and the quantum tunneling effect is triggered among NGPs when ultrasound traverses the sensor. This sensing mechanism endows the NGP/PI sensor with good sensitivity, fidelity and accuracy, showing comparable performance as prevailing commercial ultrasound sensors such as piezoelectric sensors. The film sensor has a proven gauge factor as high as 739, when sensing ultrasound at 175 kHz, and an ultrabroad responsive spectrum up to 1.6 MHz.

Original language	English
Pages (from-to)	64-71
Number of pages	8
Journal	Carbon
Volume	184
DOIs	https://doi.org/10.1016/j.carbon.2021.08.007
Publication status	Published - 30 Oct 2021

Keywords

Graphene
High frequency ultrasound
Inkjet-printed sensor
Liquid exfoliation
Polyimide

ASJC Scopus subject areas

General Chemistry
General Materials Science

More information

10.1016/j.carbon.2021.08.007

http://hdl.handle.net/10397/94228

Cite this

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title = "Thermally stable, adhesively strong graphene/polyimide films for inkjet printing ultrasound sensors",

abstract = "Targeting for flexible, broadband ultrasound sensors, a new breed of nanographene platelet (NGP)/polyimide (PI) film is inkjet printed with morphologically optimized NGP/poly (amic acid) hybrid-based nanocomposite ink. The ink is produced with high-shear liquid phase exfoliation from inexpensive bulk graphite, manifesting good printability and high graphene concentration as high as 13.1 mg mL−1. Featuring an ultra-thin thickness (∼1 μm only), the inkjet-printed NGP/PI film sensor is demonstrated to possess excellent thermal stability and high adhesive strength reaching the American Society for Testing and Materials 5B level. The highly uniform and consolidated NGP/PI nanostructure in the sensor enables the formation of π-π interaction between NGPs and PI polymer matrix, and the quantum tunneling effect is triggered among NGPs when ultrasound traverses the sensor. This sensing mechanism endows the NGP/PI sensor with good sensitivity, fidelity and accuracy, showing comparable performance as prevailing commercial ultrasound sensors such as piezoelectric sensors. The film sensor has a proven gauge factor as high as 739, when sensing ultrasound at 175 kHz, and an ultrabroad responsive spectrum up to 1.6 MHz.",

keywords = "Graphene, High frequency ultrasound, Inkjet-printed sensor, Liquid exfoliation, Polyimide",

author = "Pengyu Zhou and Yaozhong Liao and Xiongbin Yang and Yiyin Su and Jianwei Yang and Lei Xu and Kai Wang and Zhihui Zeng and Zhou, {Li min} and Zhong Zhang and Zhongqing Su",

note = "Funding Information: The work was supported by General Project (Nos. 51875492 and 12072141) and a Key Project (No. 51635008) received from the National Natural Science Foundation of China . Z. Su acknowledges the support from the Hong Kong Research Grants Council via General Research Funds (Nos. 15202820 , 15204419 and 15212417 ). P. Zhou thanks Dr. Subimal Majee for sharing his experience on LPE. Publisher Copyright: {\textcopyright} 2021 Elsevier Ltd",

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doi = "10.1016/j.carbon.2021.08.007",

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T1 - Thermally stable, adhesively strong graphene/polyimide films for inkjet printing ultrasound sensors

AU - Zhou, Pengyu

AU - Liao, Yaozhong

AU - Yang, Xiongbin

AU - Su, Yiyin

AU - Yang, Jianwei

AU - Xu, Lei

AU - Wang, Kai

AU - Zeng, Zhihui

AU - Zhou, Li min

AU - Zhang, Zhong

AU - Su, Zhongqing

N1 - Funding Information: The work was supported by General Project (Nos. 51875492 and 12072141) and a Key Project (No. 51635008) received from the National Natural Science Foundation of China . Z. Su acknowledges the support from the Hong Kong Research Grants Council via General Research Funds (Nos. 15202820 , 15204419 and 15212417 ). P. Zhou thanks Dr. Subimal Majee for sharing his experience on LPE. Publisher Copyright: © 2021 Elsevier Ltd

PY - 2021/10/30

Y1 - 2021/10/30

N2 - Targeting for flexible, broadband ultrasound sensors, a new breed of nanographene platelet (NGP)/polyimide (PI) film is inkjet printed with morphologically optimized NGP/poly (amic acid) hybrid-based nanocomposite ink. The ink is produced with high-shear liquid phase exfoliation from inexpensive bulk graphite, manifesting good printability and high graphene concentration as high as 13.1 mg mL−1. Featuring an ultra-thin thickness (∼1 μm only), the inkjet-printed NGP/PI film sensor is demonstrated to possess excellent thermal stability and high adhesive strength reaching the American Society for Testing and Materials 5B level. The highly uniform and consolidated NGP/PI nanostructure in the sensor enables the formation of π-π interaction between NGPs and PI polymer matrix, and the quantum tunneling effect is triggered among NGPs when ultrasound traverses the sensor. This sensing mechanism endows the NGP/PI sensor with good sensitivity, fidelity and accuracy, showing comparable performance as prevailing commercial ultrasound sensors such as piezoelectric sensors. The film sensor has a proven gauge factor as high as 739, when sensing ultrasound at 175 kHz, and an ultrabroad responsive spectrum up to 1.6 MHz.

AB - Targeting for flexible, broadband ultrasound sensors, a new breed of nanographene platelet (NGP)/polyimide (PI) film is inkjet printed with morphologically optimized NGP/poly (amic acid) hybrid-based nanocomposite ink. The ink is produced with high-shear liquid phase exfoliation from inexpensive bulk graphite, manifesting good printability and high graphene concentration as high as 13.1 mg mL−1. Featuring an ultra-thin thickness (∼1 μm only), the inkjet-printed NGP/PI film sensor is demonstrated to possess excellent thermal stability and high adhesive strength reaching the American Society for Testing and Materials 5B level. The highly uniform and consolidated NGP/PI nanostructure in the sensor enables the formation of π-π interaction between NGPs and PI polymer matrix, and the quantum tunneling effect is triggered among NGPs when ultrasound traverses the sensor. This sensing mechanism endows the NGP/PI sensor with good sensitivity, fidelity and accuracy, showing comparable performance as prevailing commercial ultrasound sensors such as piezoelectric sensors. The film sensor has a proven gauge factor as high as 739, when sensing ultrasound at 175 kHz, and an ultrabroad responsive spectrum up to 1.6 MHz.

KW - Graphene

KW - High frequency ultrasound

KW - Inkjet-printed sensor

KW - Liquid exfoliation

KW - Polyimide

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DO - 10.1016/j.carbon.2021.08.007

M3 - Journal article

AN - SCOPUS:85112403139

SN - 0008-6223

VL - 184

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JO - Carbon

JF - Carbon

ER -

Thermally stable, adhesively strong graphene/polyimide films for inkjet printing ultrasound sensors

Abstract

Keywords

ASJC Scopus subject areas

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