Prototipe Screen-Printed Carbon Electrode Dengan Modifikasi Material Nanokomposit Zno/Pva/Cnc Untuk Mendeteksi Cadmium Pada Sampel Cairan

Authors

  • Siti Ashila Farikha Mayundri Telkom University
  • Abrar Ismardi Telkom University
  • Asep Suhendi Telkom University

Abstract

Zinc Oxide merupakan bahan nanokomposit
semikonduktor yang marak digunakan untuk mendeteksi
keberadaan logam berat. Sebagai bentuk peningkatan
performa material, penggabungan Cellulose Nanocrystal (CNC)
dengan ZnO/PVA telah berhasil dilakukan dan dikarakterisasi
diatas Screen Printed Carbon Electrode untuk memisahkan ion
cadmium yang terkandung pada sampel cairan.
ZnO/PVA/CNC dikarakterisasi dengan Pengukuran I-V dan
Spesifik Kapasitansi melalui Cyclic Voltammetry. Hasil
pengukuran I-V menunjukkan penambahan 1,25 wt% CNC
dapat meningkatkan konduktivitas dari ZnO-PVA. Selain itu,
hasil Cyclic Voltametry dari ZnO/PVA/CNC juga menunjukkan
peningkatkan luas area pada penambahan 1,25 wt% CNC pada
nanokomposit ZnO-PVA. Dalam pendeteksian cadmium,
ZnO/PVA/CNC melalui dua metode yaitu Cyclic Voltammetry
dan Square Wave Voltammetry (SWV). Pada SWV hasil
menunjukkan bahwa ZnO/PVA/CNC mampu mendeteksi
cadmium 0- 80 ppm pada sampel cairan.

Kata kunci— nanokomposit, ZnO, CNC, semikonduktor,deteksi, cadmium

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Published

2024-04-30

Issue

Section

Program Studi S1 Teknik Fisika