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Journal : Makara Journal of Science

An Inkjet-printed Graphene Oxide–poly(3,4-ethylenedioxythiophene) poly(styrene sulfonate) Electrode for Nitrite Detection in Water Putra, Budi Riza; Anindya, Weni; Rafi, Mohamad; Kartika, Ika; Thaha, Yudi Nugraha; Ridhova, Aga; Wahyuni, Wulan Tri
Makara Journal of Science Vol. 27, No. 4
Publisher : UI Scholars Hub

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Abstract

In this study, a screen-printed electrode (SPE) for nitrite (NO2−) sensing was fabricated through an inkjet printing technique using a commercial printer machine and preparing an ink composite solution containing graphene oxide (GO) and poly(3,4 ethylenedioxythiophene) poly(styrene sulfonate) (PEDOT:PSS) as conductive materials. The optimum ink materials for SPE fabrication comprised GO and PEDOT:PSS with binders that resemble the viscosity of commercial ink. The surface topography of the fabricated SPE, which was characterized using scanning electron microscopy and atomic force microscopy, showed a smoother surface compared to the commercial screen-printed carbon electrode, with conductive ink materials deposited primarily from GO/PEDOT:PSS composites. This NO2− sensor exhibited a linear response at the concentration range of 50–1000 µM, with limit of detection and limit of quantification as 25 and 50 µM, respectively. In addition, the stability, reproducibility, and selectivity of this sensor presented acceptable values in the analytical range. Furthermore, the performance of this sensor was compared with that of a spectrophotometry technique using synthetic water samples, and the results revealed its good analytical recovery at a confidence interval of 95%. Thus, our sensor based on SPE-modified GO/PEDOT:PSS, fabricated via the inkjet printing technique, can be potentially applied in monitoring NO2− concentration in real samples.
Co-Authors Abdul Rohman Achmad Fauzi Achmad Fauzi Aditya Widianto Afifah, Salmi Agus Kartono Ahmad, Shahrul Nizam Aji Hamim Wigena Aninda Naszwa Kuswanto Anindya, Weni Antonio Kautsar Apriana, Ria Apriliani Rahmat Asoka, Shadila Fira Badrunanto Badrunanto Badrunanto, Badrunanto Bambang Prajogo Eko Wardoyo Budi Riza Putra Budi Riza Putra Budi Riza Putra Darusman Pitria, Latifah K Desi Herliani Dinda Iryawati Dyah Iswantini Era Rahmi Erna Subroto Eti Rohaeti Fransiska Devy Junardy Hera Nirwati Herdiyanto Herdiyanto Herdiyanto Herdiyanto Herliani, Desi Ika Kartika Irma Herawati Suparto Irmanida Batubara Karomah, Alfi Hudatul Kilala Tilaar Kuswanto, Aninda Naszwa Latifah K Darusman latifah K Darusman Latifah K Darusman Latifah K Darusman Pitria Latifah K. Darusman Latifah Kosim Darusman LATIFAH KOSIM DARUSMAN Latifah Kosim Darusman Luthfiana, Widya M. Rafi Mahat, Mohd Muzamir Maily Mustofa Makmum Syafi’i Manggar Arum Aristri Martha, Ina Moh Arif Rohman Nur Hakim Moh Nur Hakim Mohamad Rafi Muhammad Bachri Amran Muhammad Farid Munawaroh, Fauziyatul Nevianti Zamany Nisa, Ulfiatun Novik Nurhidayat Nur Zamilah Nurdiani Nurdiani Nursifa Mawadah Rahmat, Apriliani Ramadhanti, Desi Rany Zalvianita Reni Febriani Reni Febriani, Reni Ria Apriana Ridhova, Aga Rika Indri Astuti Rizna Azrianiningsari Rudi Heryanto Saat Egra Salmi Afifah Selvitia Ulandari Septaningsih, Dewi Anggraini Setyanto Tri Wahyudi Silvia, Riva Silviani, Dea Siti Aisyah SITI SA’DIAH Sri Purwanti Sri Purwanti Sri Purwanti Sukendi, Yeli Suparto, Irma Syafi’i, Makmum Syarifah Meutiah Eka Sari Syifa Muflihah Tamida Elinda Thaha, Yudi Nugraha Ulfiatun Nisa Utami Dyah Syafitri Waras Nurcholis Widianto, Aditya Wulansari, Laela Yessie Widya Sari Yogo Suro Priyadi Zamilah, Nur