ScienceAugust 28, 2026

diiodide

dy-EYE-uh-dide

Definition

A chemical compound containing two iodine atoms in its molecular structure.

Etymology

Derived from the prefix 'di-' (two) combined with 'iodide,' a term originating from the Greek 'ioeides' meaning violet-colored, referring to the color of iodine vapor.

In the news

The article mentions ethylenediammonium diiodide (EDAI) as a specific passivation layer material used to enhance the performance of the perovskite top cell.

Solvent-free perovskite-silicon tandem solar cell achieves 27.3% efficiency

Read the full article ↗

pv magazine Global

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