Evaluation of printed interdigital electrodes array for chemo-resistive gas sensor application

Povolný, Vojtěch; Laposa, Alexandr; Kroutil, Jiří; Voves, J.; Davydova, Marina; Hazdra, Pavel

doi:10.37904/nanocon.2022.4588

Cited by 1 publication

(3 citation statements)

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“…The prepared heater array was designed as a part of the multilayer sensor array, see Figure 1. The evaluation and preparation of interdigital structure and dielectric mask were presented in [11]. The structures were printed with material inkjet printer Fujifilm Dimatix 2831 and cartridge DMC-11610 (16 nozzles, 10 pl drop volume) and the design of the platform was prepared with the CleWin5 layout editor (Wieweb software, Netherland).…”

Section: Heater Array Fabricationmentioning

confidence: 99%

“…This ink was printed on 140 µm thick polyethylene terephthalate (PET) substrate from Mitsubishi NoveleTM IJ-220 by Novacentrix which is a mesoporous flexible and transparent substrate. It is suitable for low-temperature and low-cost inkjet printed applications [11]. Typical parameters of PET substrates are listed in Table 1.…”

Section: Substrate and Inkmentioning

confidence: 99%

“…The heater structures were printed in two layers which is equivalent to a thickness of 1 µm, according to the previously reported measurements [11]. Before thermal measurements, it was verified that the structures were not interrupted by optical spectroscopy and electrical measurements.…”

Section: Pet -Printed Structuresmentioning

confidence: 99%

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Evaluation of inkjet printed heaters array for chemo-resistive gas sensor

POVOLNÝ,

LAPOSA,

KROUTIL

et al. 2023

NANOCON Conference Proeedings

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Heaters are an indispensable part of gas sensing platforms. It serves to heat the sensor, which increases the sensitivity of the active layer and helps in the desorption of the detected gas. The sensors are also heated to stabilize the parameters against the ambient temperature. For the fabrication of electronic circuits and devices including sensing platforms and heating structures is becoming increasingly popular to use flexible electronics. In particular, the use of inkjet printing technology allowing localized deposition of ink at low temperatures on a large area. Many kinds of inks such as conductive, semi-conductive, or dielectric can be used. In this research, we present the design preparation, simulation, fabrication, and characterization of the inkjet printed heaters. The structures are based on silver nanoparticle ink printed on a flexible substrate and are sintered with intense pulsed light. The printed heaters consist of connection pads, interconnection pathways, and heater patterns. Two types of heater patterns were designed (meander and dual-spiral type). Both of the prepared patterns were simulated in Ansys simulation software to obtain the heat distribution. The microheaters were printed on a polyethylene terephthalate (PET) substrate and characterized with a thermal imaging camera. Based on the results obtained from these measurements, a calibration plot was created.

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Section: Heater Array Fabricationmentioning

confidence: 99%

Section: Substrate and Inkmentioning

confidence: 99%