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Study on the gas sensor at room temperature based on polypyrrole materials

Tran, Thanh Binh ; Hung Yen University of Technology and Education ; Luyen, Quoc Vuong ; [et al.]

Ministry of Science and Technology, Vietnam (VMOST) ; 2022

In: Ministry of Science and Technology, Vietnam Vol. 64, No. 3 ( 2022-3-25), p. 50-54

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In: Ministry of Science and Technology, Vietnam, Ministry of Science and Technology, Vietnam (VMOST), Vol. 64, No. 3 ( 2022-3-25), p. 50-54

Abstract: This paper presents the results of synthesising polypyrrole (PPy) modified Dodecylbenzene sulfonic acid (DBSA) with nanostructures oriented to applications for NH3 gas sensors operating at room temperature. The outcomes of surface morphology and chemical composition structure analysis of PPy film were studied by field-emission scanning electron microscopy (FE-SEM), fourier-transform infrared spectroscopy (FT-IR), and ultraviolet-visible spectroscopy (UV-Vis). The products were obtained by electrochemical method with the nanostructured PPy film, the conductivity of the PPy film depends on the concentration of DBSA denaturant. The experimental results showed that these PPy films have a great potential application as a new sensitive layer for gas sensors.

Type of Medium: Online Resource

ISSN: 1859-4794

URL: Issue

URL: Journal

URL: Article

DOI: 10.31276/VJST.64(3)

DOI: 10.31276/VJST.vol(number).page

DOI: 10.31276/VJST.64(3).50-54

Language: Unknown

Publisher: Ministry of Science and Technology, Vietnam (VMOST)

Publication Date: 2022

SSG: 6,25