Investigation of Silver Conductive Ink Printable on Textiles for Wearable Electronics Applications: Effect of Silver Concentration and Polymer Matrix

Boumegnane, Abdelkrim; Nadi, Ayoub; Dahrouch, Abdelouahed; Stambouli, A.; Cherkaoui, Omar; Tahiri, Mohamed

doi:10.1007/s12221-023-00276-8

Cited by 5 publications

(3 citation statements)

References 60 publications

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“…To determine the average particle size of AgNPs, the Debye-Scherrer method was used (Equation ( 8)). Based on the Scherr equation, the average particle size was estimated at 30.85 ± 2.15 nm (Table 2), conforming to the TEM findings [42]. This size meets the requirements of inkjet printing.…”

Section: Characterization Of Agnps and Suspension Matricessupporting

confidence: 72%

“…To prepare the conductive ink, silver nanoparticles (AgNPs) were synthesized using a simple co-reduction process, following the procedure described in our previous work [42]. Various amounts of AgNP powder ranging from 0.5 %wt to 3 %wt were added to the preprepared suspension matrices.…”

Section: Formulation Of Silver-based Inkmentioning

confidence: 99%

“…Conductive ink is loaded into a syringe for precise application onto the PU-coated PET surface, as described in our previous work [42]. The syringe's needle tip is designed to simulate a printer nozzle.…”

Section: Construction Of Conductive Pattern On the Pet Fabricmentioning

confidence: 99%

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Rheological Properties and Inkjet Printability of a Green Silver-Based Conductive Ink for Wearable Flexible Textile Antennas

Boumegnane,

Douhi,

Batine

et al. 2024

Sensors

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The development of e-textiles necessitates the creation of highly conductive inks that are compatible with precise inkjet printing, which remains a key challenge. This work presents an innovative, syringe-based method to optimize a novel bio-sourced silver ink for inkjet printing on textiles. We investigate the relationships between inks’ composition, rheological properties, and printing behavior, ultimately assessing the electrical performance of the fabricated circuits. Using Na–alginate and polyethylene glycol (PEG) as the suspension matrix, we demonstrate their viscosity depends on the component ratios. Rheological control of the silver nanoparticle-laden ink has become paramount for uniform printing on textiles. A specific formulation (3 wt.% AgNPs, 20 wt.% Na–alginate, 40 wt.% PEG, and 40 wt.% solvent) exhibits the optimal rheology, enabling the printing of 0.1 mm thick conductive lines with a low resistivity (8 × 10−3 Ω/cm). Our findings pave the way for designing eco-friendly ink formulations that are suitable for inkjet printing flexible antennas and other electronic circuits onto textiles, opening up exciting possibilities for the next generation of E-textiles.

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Section: Characterization Of Agnps and Suspension Matricessupporting

confidence: 72%

Section: Formulation Of Silver-based Inkmentioning

confidence: 99%