Analisis Data Spektrum Spektroskopi FT-IR untuk Menentukan Tingkat Oksidasi Polianilin

Authors

  • Aspi Aspi Program Studi Fisika, Fakultas MIPA Universitas Tanjungpura Pontianak
  • Mariana Bara’allo Malino Program Studi Fisika, Fakultas MIPA Universitas Tanjungpura Pontianak
  • Boni Pahlanop Lapanporo Program Studi Fisika, Fakultas MIPA Universitas Tanjungpura Pontianak

DOI:

https://doi.org/10.26418/pf.v1i2.3066

Abstract

Penelitian ini dilakukan untuk menunjukkan salah satu pemanfaatan metode FT-IR yakni untuk menentukan tingkat oksidasi dengan contoh sampel adalah PANi. PANi disintesis menggunakan polimerisasi elektrokimia galvanostatis serta didoping oleh dopan HCl dengan variasi dopan 1,5 M, 1,75M,  2 M, 2,25 M, dan 2,5M. Spektrum transmitansi FT-IR menunjukkan peningkatan konsentrasi dopan HCl akan cenderung menurunkan intensitas transmitansi pada bilangan gelombang yang sama atau mendekati. Spektrum serapan FT-IR PANi menunjukkan keberadaan cincin kuinoid dan cincin benzoid, dan berdasarkan penentuan luasan kuinoid dan luasan benzoid diperoleh tingkat oksidasi optimum garam emeraldin yaitu 0,36 pada konsentrasi dopan 2 M.

 

Kata Kunci: Spektrum serapan FT-IR, Tingkat oksidasi, Polianilin, Elektrokimia galvanostatik, Dopan.

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Published

2013-09-02

Issue

Vol. 1 No. 2 (2013)

Section

Articles

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Date: 24-05-2023

Prisma Fisika
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