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Methylammonium iodide in an organic
halide In chemistry, a halide (rarely halogenide) is a binary chemical compound, of which one part is a halogen atom and the other part is an element or radical that is less electronegative (or more electropositive) than the halogen, to make a f ...
with a formula of CH3NH3I. It is an
ammonium salt The ammonium cation is a positively-charged polyatomic ion with the chemical formula or . It is formed by the protonation of ammonia (). Ammonium is also a general name for positively charged or protonated substituted amines and quaternary a ...
composed of
methylamine Methylamine is an organic compound with a formula of . This colorless gas is a derivative of ammonia, but with one hydrogen atom being replaced by a methyl group. It is the simplest primary amine. Methylamine is sold as a solution in methanol, ...
and
hydrogen iodide Hydrogen iodide () is a diatomic molecule and hydrogen halide. Aqueous solutions of HI are known as hydroiodic acid or hydriodic acid, a strong acid. Hydrogen iodide and hydroiodic acid are, however, different in that the former is a gas under s ...
. The primary application for methylammonium iodide, sometimes in combination with other
methylammonium halide Methylammonium halides are organic halides with a formula of , where X is Cl for methylammonium chloride, Br for methylammonium bromide, or I for methylammonium iodide. Generally they are white or light colored powders. Applications These sal ...
s, is as a component of
perovskite (structure) A perovskite is any material with a crystal structure following the formula ABX3, which was first discovered as the Perovskite, mineral called perovskite, which consists of calcium titanium oxide (CaTiO3). The mineral was first discovered in t ...
crystalline
solar cells A solar cell, or photovoltaic cell, is an electronic device that converts the energy of light directly into electricity by the photovoltaic effect, which is a physical and chemical phenomenon.
.


References

{{organic-compound-stub Methylammonium compounds Iodides