1-Butyl-2,3-dimethylimidazolium iodide, CAS: 108203-70-9

Key Applications:

Electrochemical Systems and Redox Chemistry

• High‑conductivity ionic medium for iodide/triiodide redox couples, including dye‑sensitized solar cells (DSSCs).
• Enhances charge‑transfer kinetics in iodide‑based electrolytes due to steric shielding of the cation.
• Applied in electrocatalysis studies where halide coordination influences electrode surface behavior.

Catalysis and Organic Synthesis

• Halide‑rich ionic solvent for nucleophilic substitution, alkylation, and halide‑exchange reactions.
• Low‑volatility medium for phase‑transfer catalysis, particularly in iodide‑driven transformations.
• Supports transition‑metal catalysis where iodide acts as a ligand or promoter.

Thermal and Solvation Applications

• Thermally stable ionic liquid suitable for high‑temperature reaction environments.
• Used in solvation studies where steric hindrance modulates polarity and hydrogen‑bonding behavior.
• Designer solvent for polymer dissolution, biopolymer processing, and ion‑specific solvation research.

Materials Science and Nanostructure Fabrication

• Medium for nanoparticle synthesis where iodide influences nucleation and growth.
• Templating or dispersing phase for carbon materials, metal halides, and hybrid composites.
• Supports thin‑film formation and ionic‑liquid gating studies due to stable ionic conductivity.

Specialty Applications

• Component in ionic‑liquid electrolytes for sensors, actuators, and soft electrochemical devices.
• Used in spectroscopic studies probing ion pairing, halide coordination, and steric effects.
• Suitable for green‑chemistry workflows requiring non‑volatile, recyclable ionic media.

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