Synthesized silver nanoparticles decorated reduced graphene oxide/silver ink for aerosol jet printed conformal temperature sensor with a wide sensing range and excellent stability

Niu, Yingjie; Han, Yufei; Cheng, Hui; Xiong, Zhenxiang; Luo, Bingcheng; Ma, Teng; Li, Lingbo; Liu, Shunuan; Chen, Xiaoming; Yi, Chenglin

doi:10.1016/j.jmrt.2023.05.246

Cited by 7 publications

(3 citation statements)

References 67 publications

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“…The following supporting information can be downloaded at: https:// www.mdpi.com/article/10.3390/s23167151/s1. References [7,35,[39][40][41][42][43][44][45][46][87][88][89][90][91][92][93][94][95][96] are cited in the Supplementary Materials. Institutional Review Board Statement: Ethical review and approval do not apply to this study as it does not involve human or animal participants.…”

Section: Supplementary Materialsmentioning

confidence: 99%

“…Finally, AJP offers large nozzle diameters (e.g., 150 µm and 300 µm), effectively preventing potential clogging issues caused by materials like graphene flakes with sizes in the µm range [38]. These key points made AJP an appealing choice for printing graphene inks and fabricating sensors in general, as demonstrated in the most recent reports (Table S2) [35,[38][39][40][41][42][43][44][45][46]. Its notable advantages include high precision in graphene deposition, making it suitable for a wide range of sensor applications.…”

Section: Introductionmentioning

confidence: 96%

“…The following supporting information can be downloaded at: . References [ 7 , 35 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 87 , 88 , 89 , 90 , 91 , 92 , 93 , 94 , 95 , 96 ] are cited in the Supplementary Materials . Figure S1.…”

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confidence: 99%

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Graphene Inks Printed by Aerosol Jet for Sensing Applications: The Role of Dispersant on the Inks’ Formulation and Performance

Al Shboul,

Ketabi,

Skaf

et al. 2023

Sensors

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This study presents graphene inks produced through the liquid-phase exfoliation of graphene flakes in water using optimized concentrations of dispersants (gelatin, triton X-100, and tween-20). The study explores and compares the effectiveness of the three different dispersants in creating stable and conductive inks. These inks can be printed onto polyethylene terephthalate (PET) substrates using an aerosol jet printer. The investigation aims to identify the most suitable dispersant to formulate a high-quality graphene ink for potential applications in printed electronics, particularly in developing chemiresistive sensors for IoT applications. Our findings indicate that triton X-100 is the most effective dispersant for formulating graphene ink (GTr), which demonstrated electrical conductivity (4.5 S·cm−1), a high nanofiller concentration of graphene flakes (12.2%) with a size smaller than 200 nm (<200 nm), a low dispersant-to-graphene ratio (5%), good quality as measured by Raman spectroscopy (ID/IG ≈ 0.27), and good wettability (θ ≈ 42°) over PET. The GTr’s ecological benefits, combined with its excellent printability and good conductivity, make it an ideal candidate for manufacturing chemiresistive sensors that can be used for Internet of Things (IoT) healthcare and environmental applications.

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