Wide range and highly linear signal processed systematic humidity sensor array using Methylene Blue and Graphene composite

Abstract This paper proposes a signal processed systematic 3 × 3 humidity sensor array with all range and highly linear humidity response based on different particles size composite inks and different interspaces of interdigital electrodes (IDEs). The fabricated sensors are patterned through a comme...

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Autores principales:	Muhammad Umair Khan, Gul Hassan, Rayyan Ali Shaukat, Qazi Muhammad Saqib, Mahesh Y. Chougale, Jungmin Kim, Jinho Bae
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/5fb06ff589504cb9bbe24ad7694eb6cd
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spelling	oai:doaj.org-article:5fb06ff589504cb9bbe24ad7694eb6cd2021-12-02T18:51:47ZWide range and highly linear signal processed systematic humidity sensor array using Methylene Blue and Graphene composite10.1038/s41598-021-95977-62045-2322https://doaj.org/article/5fb06ff589504cb9bbe24ad7694eb6cd2021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-95977-6https://doaj.org/toc/2045-2322Abstract This paper proposes a signal processed systematic 3 × 3 humidity sensor array with all range and highly linear humidity response based on different particles size composite inks and different interspaces of interdigital electrodes (IDEs). The fabricated sensors are patterned through a commercial inkjet printer and the composite of Methylene Blue and Graphene with three different particle sizes of bulk Graphene Flakes (BGF), Graphene Flakes (GF), and Graphene Quantum Dots (GQD), which are employed as an active layer using spin coating technique on three types of IDEs with different interspaces of 300, 200, and 100 µm. All range linear function (0–100% RH) is achieved by applying the linear combination method of nine sensors in the signal processing field, where weights for linear combination are required, which are estimated by the least square solution. The humidity sensing array shows a fast response time (Tres) of 0.2 s and recovery time (Trec) of 0.4 s. From the results, the proposed humidity sensor array opens a new gateway for a wide range of humidity sensing applications with a linear function.Muhammad Umair KhanGul HassanRayyan Ali ShaukatQazi Muhammad SaqibMahesh Y. ChougaleJungmin KimJinho BaeNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Muhammad Umair Khan Gul Hassan Rayyan Ali Shaukat Qazi Muhammad Saqib Mahesh Y. Chougale Jungmin Kim Jinho Bae Wide range and highly linear signal processed systematic humidity sensor array using Methylene Blue and Graphene composite
description	Abstract This paper proposes a signal processed systematic 3 × 3 humidity sensor array with all range and highly linear humidity response based on different particles size composite inks and different interspaces of interdigital electrodes (IDEs). The fabricated sensors are patterned through a commercial inkjet printer and the composite of Methylene Blue and Graphene with three different particle sizes of bulk Graphene Flakes (BGF), Graphene Flakes (GF), and Graphene Quantum Dots (GQD), which are employed as an active layer using spin coating technique on three types of IDEs with different interspaces of 300, 200, and 100 µm. All range linear function (0–100% RH) is achieved by applying the linear combination method of nine sensors in the signal processing field, where weights for linear combination are required, which are estimated by the least square solution. The humidity sensing array shows a fast response time (Tres) of 0.2 s and recovery time (Trec) of 0.4 s. From the results, the proposed humidity sensor array opens a new gateway for a wide range of humidity sensing applications with a linear function.
format	article
author	Muhammad Umair Khan Gul Hassan Rayyan Ali Shaukat Qazi Muhammad Saqib Mahesh Y. Chougale Jungmin Kim Jinho Bae
author_facet	Muhammad Umair Khan Gul Hassan Rayyan Ali Shaukat Qazi Muhammad Saqib Mahesh Y. Chougale Jungmin Kim Jinho Bae
author_sort	Muhammad Umair Khan
title	Wide range and highly linear signal processed systematic humidity sensor array using Methylene Blue and Graphene composite
title_short	Wide range and highly linear signal processed systematic humidity sensor array using Methylene Blue and Graphene composite
title_full	Wide range and highly linear signal processed systematic humidity sensor array using Methylene Blue and Graphene composite
title_fullStr	Wide range and highly linear signal processed systematic humidity sensor array using Methylene Blue and Graphene composite
title_full_unstemmed	Wide range and highly linear signal processed systematic humidity sensor array using Methylene Blue and Graphene composite
title_sort	wide range and highly linear signal processed systematic humidity sensor array using methylene blue and graphene composite
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/5fb06ff589504cb9bbe24ad7694eb6cd
work_keys_str_mv	AT muhammadumairkhan widerangeandhighlylinearsignalprocessedsystematichumiditysensorarrayusingmethyleneblueandgraphenecomposite AT gulhassan widerangeandhighlylinearsignalprocessedsystematichumiditysensorarrayusingmethyleneblueandgraphenecomposite AT rayyanalishaukat widerangeandhighlylinearsignalprocessedsystematichumiditysensorarrayusingmethyleneblueandgraphenecomposite AT qazimuhammadsaqib widerangeandhighlylinearsignalprocessedsystematichumiditysensorarrayusingmethyleneblueandgraphenecomposite AT maheshychougale widerangeandhighlylinearsignalprocessedsystematichumiditysensorarrayusingmethyleneblueandgraphenecomposite AT jungminkim widerangeandhighlylinearsignalprocessedsystematichumiditysensorarrayusingmethyleneblueandgraphenecomposite AT jinhobae widerangeandhighlylinearsignalprocessedsystematichumiditysensorarrayusingmethyleneblueandgraphenecomposite
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Wide range and highly linear signal processed systematic humidity sensor array using Methylene Blue and Graphene composite

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