1-Methyl-3-propylimidazolium iodide, CAS: 119171-18-5

Key Applications:

1. Corrosion Resistance

• Functions as a halide-rich ionic medium that can inhibit metal oxidation by forming protective surface layers on steel, copper, and aluminum alloys.
• Useful in electrochemical corrosion studies where stable, high‑conductivity iodide environments are required.
• Serves as a component in ionic‑liquid‑based corrosion‑resistant coatings and surface‑treatment formulations, particularly for environments involving moisture, halogens, or elevated temperatures.

2. Polymer Electrolytes

• Acts as an iodide‑conducting additive in polymer electrolyte matrices such as PEO, PMMA, and PVDF‑HFP.
• Enhances ionic conductivity, plasticization, and interfacial charge transport in solid or gel polymer electrolytes.
• Supports the development of flexible electrochemical devices, including thin‑film batteries, electrochromic systems, and ion‑transport membranes.

3. Dye‑Sensitized Solar Cells (DSSCs)

• Serves as an iodide source in the I⁻/I₃⁻ redox couple, a central component of DSSC electrolyte formulations.
• Provides high ionic mobility and chemical stability, improving electron‑recombination suppression and overall device efficiency.
• Compatible with liquid, quasi‑solid, and polymer‑gel DSSC electrolyte systems, enabling tunable viscosity and long‑term operational stability.

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