Conduction-based conjugated polymers offered new paths for organic chemistry and polymer research in the 1970s, with potential applications in lightweight, flexible, and cost-effective optoelectronic devices. Inorganic devices are better, but innovative polymers and controlled synthesis processes might change materials, electronics, and life. Rational design and controlled polymerization of conjugated polymers can customize their characteristics, especially for organic electrodes and semiconductors. Excitons—electron-hole pairs—drive electroluminescence and energy conversion in these materials. This study is to produce and characterize organic polymers for optoelectronic devices, concentrating on optical and electrical characteristics’-Vis absorption, ellipsometry, fluorescence, and Raman spectroscopy, emphasizing sample preparation and equipment handling. UV-vis absorption analyses polymer electronic interactions using diffuse reflectance and interference. Ellipsometry calculates film thickness and optical constants. Fluorescence detects light emission, while Raman spectroscopy identifies substances via vibrational spectra. These strategies help explain the electrical characteristics of polymers. Results show the host polymer and impurity mix optical properties, including sample thickness (nm) and energy-related parameters (eV). MEH-PPV contains no impurities, Urbach edge, or absorption edge at 2.18 eV and a direct bandgap (Ed) of 2.07 eV.  Table 2 displays the optical properties of host polymers and impurities, including N, Λ, S0, Ed, and E0. With 10wt% C70, MEH-PPV exhibits a 1.93 refractive index and 10.61 eV energy gap. Polymer optical characterization is sensitive to contaminants, thermal history, technique, and material changes, requiring careful sample preparation, experiment details, and instrument management. Five optical characteristics with polymeric signatures are examined