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All Journal Jurnal Sains dan Pendidikan Fisika Jurnal Fisika Unand JFA (Jurnal Fisika dan Aplikasinya) Journal of Teaching and Learning Physics Jurnal Teori dan Aplikasi Fisika JPPIPA (Jurnal Penelitian Pendidikan IPA) Inovasi Fisika Indonesia (IFI)
Nugrahani primary putri
Universitas Negeri Surabaya
Humanities Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Physics Social Sciences

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Journal : JFA (Jurnal Fisika dan Aplikasinya)

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Fabrication of Polyaniline Thin Film Using Electrodeposition Method as Alcohol Sensor Ana Yuli Komariyah; Nugrahani Primary Putri
Jurnal Fisika dan Aplikasinya Vol 18, No 2 (2022)
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, LPPM-ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24604682.v18i2.12812

Abstract

The use of aliphatic alcohols such as methanol as an alternative renewable fuel in high-density engines can harm both the environment and human health. Polyaniline (PANi), a conductive polymer, has emerged as a solution to this problem because of its benefits as a sensor with relatively high conductivity. In this study, PANi was synthesized using a potentiostat electrodeposition method at a constant potential of -0.4 to +1.0 V at a scan rate of 100 mV/s, resulting in a thin film of PANi on the ITO surface. The formed PANi samples were used to determine the sensitivity level of the sensor to methanol at different concentrations. Morphological results of PANi deposited on the ITO surface were observed using SEM showing the shape of nanoparticles with an interconnected-sponge structure and a porous shape with a diameter of 35.3 nm. The PANI sample can be applied as a sensor material for detecting alcohol vapour in indoor air (at room temperature). The sensing measurement results show that the PANi-based sensor can detect methanol vapour at low concentrations up to 5 ppm. The higher the methanol concentration used, the higher the sensor sensitivity.
Co-Authors Alifia Wahyu Febyana Ana Yuli Komariyah Bertha Yonata Dhini Faridatul Nisa Dian Savitri Elok Suidibyo Guntur Trimulyono Hanandita Veda Saphira Iqbal Ainur Rizki Isaac Salman AL-Faris Lulu Nur Maulida Niken Agustiarina Nina Fajriyah Citra Retno Fitri Wulandari Wahyu Budi Sabtiawan Woro Setyarsih