Immittance Response on Carboxymethyl Cellulose Blend with Polyvinyl Alcohol- Doped Ammonium Bromide-Based Biopolymer Electrolyte

Authors

Norfatihah Mazuki, Ionic Materials Team, Faculty of Industrial Sciences & Technology, University Malaysia, Pahang 26300, Malaysia
Yuki Nagao, Japan Advanced Institute of Science and Technology, School of Materials Science, Nomi, Ishikawa 923-1292, Japan
Ahmad Salihin Samsudin, Ionic Materials Team, Faculty of Industrial Sciences & Technology, University Malaysia, Pahang 26300, MalaysiaFollow

Abstract

The blended carboxymethyl cellulose (CMC) and polyvinyl alcohol (PVA) doped with various compositions of ammonium bromide (NH4Br)-based solid biopolymer electrolytes (SBEs) were prepared by using the casting method. In this present work, CMC/PVA–NH4Br SBE thin film was used to investigate the electrical conductivity via electrical impedance spectroscopy. The maximum conductivity obtained was 3.21 X 10−4 S cm−1 for sample AB20 at ambient temperature (303 K), and this result might be due to the increased number of charge carrier. A dielectric study was conducted to understand the conductivity behavior. The electrical properties have been measured as a function of frequency of ɛr, ɛi, Mr, and Mi, indicating a non-Debye type behavior.

Bahasa Abstract

Respon Imitansi pada Campuran Karboksimetil Selulosa dengan Elektrolit Biopolimer Berbasis Amonium Bromida yang Didoping dengan Polivinil Alkohol. Campuran karboksimetil selulosa (CMC) dan polivinil alkohol (PVA) yang didoping dengan berbagai komposisi elektrolit biopolimer padat (SBE) berbasis amonium bromida (NH4Br) dibuat dengan menggunakan metode pengecoran. Di dalam karya tulis ini, film tipis CMC/PVA-NH4Br SBEs yang digunakan untuk menginvestigasi konduktivitas listrik melalui Spektroskopi Impedansi Listrik (Electrical Impedance Spectroscopy (EIS)). Konduktivitas maksimum yang diperoleh dari hasil tersebut adalah 3,21 X 10-4 S cm-1 untuk sampel AB20 pada temperatur lingkungan (303K) dan hal ini bisa jadi berupa jumlah pembawa muatan yang meningkat. Suatu studi dielektrik dilaksanakan dengan maksud untuk memahami perilaku konduktivitas. Sifat-sifat listrik telah diukur sebagai suatu fungsi frekuensi ɛr, ɛi, Mr dan Mi menunjukkan suatu perilaku tipe non-Debye.

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Recommended Citation

Mazuki, Norfatihah; Nagao, Yuki; and Samsudin, Ahmad Salihin (2018) "Immittance Response on Carboxymethyl Cellulose Blend with Polyvinyl Alcohol- Doped Ammonium Bromide-Based Biopolymer Electrolyte," Makara Journal of Technology: Vol. 22: Iss. 3, Article 8.
DOI: 10.7454/mst.v22i3.3638
Available at: https://scholarhub.ui.ac.id/mjt/vol22/iss3/8