Printed and Flexible Microheaters Based on Carbon Nanotubes
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AuthorFalco, Aniello; Romero, Francisco J.; Morales Santos, Diego Pedro; Rodríguez Santiago, Noel; Rivadeneyra Torres, Almudena
Flexible substrateHeaterInkjet printingPrinted electronicsSilver nanoparticlesSWCNT
Falco, A., Romero, F. J., Loghin, F. C., Lyuleeva, A., Becherer, M., Lugli, P., ... & Rivadeneyra, A. (2020). Printed and Flexible Microheaters Based on Carbon Nanotubes. Nanomaterials, 10(9), 1879. [doi:10.3390/nano10091879]
SponsorshipMinistry of Education of Spain H2020-MSCA-IF-2017-794885-SELFSENS FPU16/01451
This work demonstrates a cost-e ective manufacturing method of flexible and fully printed microheaters, using carbon nanotubes (CNTs) as the heating element. Two di erent structures with di erent number of CNT layers have been characterized in detail. The benchmarking has been carried out in terms of maximum operating temperature, as well as nominal resistance and input power for di erent applied voltages. Their performances have been compared with previous reports for similar devices, fabricated with other technologies. The results have shown that the heaters presented can achieve high temperatures in a small area at lower voltages and lower input power. In particular, the fully printed heaters fabricated on a flexible substrate covering an area of 3.2 mm2 and operating at 9.5 V exhibit a maximum temperature point above 70 C with a power consumption below 200mW. Therefore, we have demonstrated that this technology paves the way for a cost-e ective large-scale fabrication of flexible microheaters aimed to be integrated in flexible sensors.