Effect of HEC/PVDF coating on glass substrate for formaldehyde concentration sensing

• Autorzy: Jali, Mohd Hafiz , Faisal, Nur Nadira Malek , Rahim, Hazli Rafis Abdul , Johari, Md. Ashadi Md. , Yusof, Haziezol Helmi Mohd , Ahmad, Aminah , Zain, Huda Adnan , Harun, Sulaiman Wadi

Warianty tytułu

PL

Wpływ powłoki HEC/PVDF na podłoże szklane do wykrywania stężenia formaldehydu

• Języki publikacji: EN

Abstrakty

EN

This paper has reported demonstration of simple and low cost formaldehyde sensor utilizing Hydroxyethyl cellulose/Polyvinylidene fluoride (HEC/PVDF) coated glass substrate. It was integrated with Arduino microcontroller for data acquisition of the variation of the transmitted light during the sensing. The formaldehyde detection is based on the change in refractive index (RI) of the HEC/PVDF as a sensitive material which modulate the output light intensity when the concentration level of the formaldehyde increases. A significant response towards formaldehyde concentrations level was observed with the output voltage reduced linearly from 1.5V to 0.8V. The sensitivity of the proposed sensor improves by a factor of 1.09 as compared to uncoated glass substrate. It also performed better in term of stability, response time and hysteresis. The proposed sensor evades the used of costly optical sensor fabrication and manufacturing process which are more practical for large production while maintaining a good sensing performances. Based on the experiment results, the proposed approach has exhibited convincing potential as a formaldehyde sensor.

PL

W tym artykule przedstawiono demonstrację prostego i taniego czujnika formaldehydu wykorzystującego podłoże szklane powlekane hydroksyetylocelulozą/polifluorkiem winylidenu (HEC/PVDF). Został zintegrowany z mikrokontrolerem Arduino w celu akwizycji danych o zmienności przepuszczanego światła podczas wykrywania. Wykrywanie formaldehydu opiera się na zmianie współczynnika załamania światła (RI) HEC/PVDF jako wrażliwego materiału, który moduluje natężenie światła wyjściowego, gdy poziom stężenia formaldehydu wzrasta. Istotną reakcję na poziom stężeń formaldehydu zaobserwowano przy liniowym obniżeniu napięcia wyjściowego z 1,5V do 0,8V. Czułość proponowanego czujnika poprawia się o współczynnik 1,09 w porównaniu z niepowlekanym podłożem szklanym. Działał również lepiej pod względem stabilności, czasu odpowiedzi i histerezy. Zaproponowany czujnik pozwala uniknąć kosztownego wytwarzania i procesu produkcyjnego czujnika optycznego, które są bardziej praktyczne w przypadku dużej produkcji przy zachowaniu dobrych parametrów wykrywania. Na podstawie wyników eksperymentu zaproponowane podejście wykazało przekonujący potencjał jako czujnik formaldehydu.

Słowa kluczowe

PL

podłoże szklane; HEC/PVDF; czujnik formaldehydu

EN

glass substrate; HEC/PVDF; formaldehyde sensor

• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2022
• Tom: R. 98, nr 4
• Strony: 40--43
• Opis fizyczny: Bibliogr. 23 poz., rys.

Twórcy

autor

Jali, Mohd Hafiz

• Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia,

autor

Faisal, Nur Nadira Malek

• Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia,

autor

Rahim, Hazli Rafis Abdul

• Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia,

autor

Johari, Md. Ashadi Md.

• Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia,

autor

Yusof, Haziezol Helmi Mohd

• Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia,

autor

Ahmad, Aminah

• Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, 76100 Durian Tunggal, Melaka, Malaysia,

autor

Zain, Huda Adnan

• University of Malaya, Kuala Lumpur 50603, Malaysia,

autor

Harun, Sulaiman Wadi

• University of Malaya, Kuala Lumpur 50603, Malaysia,

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).

Identyfikatory

DOI

10.15199/48.2022.04.09