A low cost polyimide based metal oxide film RH sensor

Mahboob, Md. Rahat; Islam, Tarikul; Zargar, Zubair Hassan; Khan, Shakeb A.

doi:10.1109/iciinfs.2014.7036497

Cited by 2 publications

(2 citation statements)

References 15 publications

(24 reference statements)

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“…Moreover, the testing setups used in the previous attempts achieved narrower humidity range. As for the sensors sensitivity, the results of the current work outperform the previous efforts mentioned in [11][12][13][14][15]. This is primarily due to the fact that Nafion is well known for its hydrophilicity, which enhances the sensor's sensitivity due to the PET substrate.…”

Section: Resultsmentioning

confidence: 61%

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A nafion coated capacitive humidity sensor on a flexible PET substrate

Sapsanis

Büttner

Omran

et al. 2016

2016 IEEE 59th International Midwest Symposium on Circuits and Systems (MWSCAS)

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This paper reports a simple and low-cost technique for fabricating low-power capacitive humidity sensors without the use of a cleanroom environment. A maskless laser engraving system was utilized to fabricate two different gold electrode structures, interdigitated electrodes and Hilbert's fifth-order fractal. The capacitive structures were implemented on a flexible PET substrate. The usage of Nafion, a well-known polymer for its hydrophilic properties as a sensing film, was attempted on the PET and outperformed the current efforts in flexible substrates. Its humidity sensing properties were evaluated in an automated gas setup with a relative humidity (RH %) ranging from 15% to 95 %.

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Section: Resultsmentioning

confidence: 61%

“…PET is a plastic organic film used extensively for its flexibility and low cost. Previous efforts on flexible substrates were demonstrated [11][12][13][14][15] with different fabrications processes (Lithography, Inkjet-printing). This paper introduces laser engraving for fabricating transducers.…”

Section: Introductionmentioning

confidence: 99%