Materials Science

4-methylphenylethyl ammonium iodide (4-mepeai) is a new perovskite precursor. The presence of a methyl group at the 4-position of the organic spacer cation phenylethyl ammonium (PEA) brings the following improvements:1) The electricity of methyl

4-methylphenylmethylammonium bromide.

4-methylphenylmethylammonium bromide.

4-methylphenylmethylammonium Iodide.

4-methylphenylmethylammonium Iodide.

4-n-Butyl-4'-cyanobiphenyl.

4-n-Butyl-4'-cyanobiphenyl.

4-n-Butyl-4'-cyanobiphenyl.

4-n-Butyl-4'-cyanobiphenyl.

4-n-heptyloxybenzoic acid.

4-n-heptyloxybenzoic acid.

4-n-heptyloxybenzoic acid.