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Sagir Alva
Universitas Mercu Buana
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Journal : Journal of Technomaterial Physics

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Preparation and Characterization of Chitosan/Titanium Dioxide Film for Electrochemical Sensing Applications Nasution, Astri Anjelina; Nainggolan, Irwana; Andriayani, Andriayani; Alva, Sagir
Journal of Technomaterial Physics Vol. 8 No. 1 (2026): Journal of Technomaterial Physics
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jotp.v8i1.25063

Abstract

Chitosan/TiO₂-modified electrodes were characterized using the cyclic voltammetry method. The electrodes were fabricated through an electrodeposition technique to produce a coating on the substrate surface. TiO₂ concentrations of 50, 100, 150, 200, and 250 mg/L were used. The chemical structure and functional group interactions of the films were characterized using Fourier Transform Infrared (FTIR) spectroscopy, which revealed characteristic chitosan functional groups and Ti–O–Ti stretching bands, indicating the dispersion of TiO₂ within the chitosan matrix. The electrochemical performance of the electrodes was evaluated in phosphate-buffered saline (PBS) solution at pH 7. The results showed that the chitosan/TiO₂ concentration variation of 150 mg/L produced the highest anodic current response, while the optimum scan rate was obtained at 75 mV/s. A linear relationship between peak current and scan rate was obtained, with a regression equation of y = 0.0014x + 0.3788 and a coefficient of determination (R²) of 0.9869, indicating a strong linear correlation. Based on these results, the chitosan/TiO₂ material exhibited electrochemical responses with potential for further development in electrochemical sensing applications.
Co-Authors Adelfy Dara Arianti Agnes Hanna Patty, Armin Naibaho, Singgih Fitra Utama, Ahmad Ariri Ahmad Kamal Arifin Aiman Sajidah Abd Aziz Aiman Sajidah binti Abdul Aziz Albert Phak Jie Wong Alfian Noviyanto Ali Rinaldi Andi Firdaus Sudarma Andriayani Arianti, Adelfy Dara Arifin, Ahmad Kamal Ariri, Ahmad Asadullah, Mas'ud Asadullah, Masud Asep Setia Kristanto Baihaqi Baihaqi Basyari, Aziz Binawati Ginting Dafit Feriyanto Dayanti, Meri Deni Shidqi Khaerudini Dianta Ginting Edy Herianto Majlan Eka Safitri Eka Safitri Elin Yusibani Elly Sufriadi Fadhilla, Eky Nur Fadilah, Arif Fidi Fidi Fidi, Fidi Fitri , Muhammad Fitri Dara Fonna, Syafrizal Friliandita, Vivi Hadi Pranoto Hadi Pranoto Hasbullah, Siti Aishah I Gusti Ayu Arwati Ibdal Satar Imam Hidayat Indradewa, Rhian Iqhrammullah, Muhammad Julinawati Julinawati Julinawati, Julinawati KHAIRI SUHUD Khairi Suhud Kurniawan Kurniawan Leni Heliawati Maryani, Yeyen Marysca Shintya Dewi Mas'ud Asadullah Mohd Ismahadi bin Syono Muhammad Farhan Muhammad Fitri, Muhammad Muhammad Ihsan Muhammad Isa Mustanir Mustanir Nanang Ruhyat Nasution, Astri Anjelina Noviyanto, Alvian Nurato , Nurato Nurul Islami, Nurul Pandriana, Aap Popy Yuliarty Pudjiwati, Sri Resista Vikaliana Resmi Bestari Muin Rinaldi, Ali Rini Anggraini Robi Suherman Rohadi Satrio Budi Utomo Sawarni Hasibuan Siti Aishah Hasbullah Subekti Subekti Suhud, Khairi Sukendar Sukendar Sukoma, Sukoma Sundari, Rita Supaat Zakaria Surbakti, Muhammad Syukri Suyadi, Yadi Swandya Eka Pratiwi Syafrizal Fonna Tarigan, Kontan Teddy Kurniawan Thasyah Pitanova Vivi Friliandita Wahyu Irwansyah Wahyudi, Haris Wan Adil bin Wan Jamil Wan Adil Wan Jamil Wiwit Suprihatiningsih Zakaria Zakaria Zulnazri, Z