Polypyrrole-Chitosan-CaFe<sub>2</sub>O<sub>4</sub> Layer Sensor for Detection of Anionic and Cationic Dye Using Surface Plasmon Resonance

<div>Molecular structure of PPy-Chi-CaFe<sub>2</sub>O<sub>4</sub> and interaction of methylene blue with it.</div>

International Journal of Polymer Science

Figure 7: Polypyrrole-Chitosan-CaFe<sub>2</sub>O<sub>4</sub> Layer Sensor for Detection of Anionic and Cationic Dye Using Surface Plasmon Resonance 