Storage-stable colloidal aqueous gold solutions useful in inkjet ink cartridges, catalysts and conductors contain nanoparticulate gold particles with polar tertiary amino compound and stabilizer

摘要

A colloidal aqueous gold solution includes nanoparticulate gold particles; a compound with a polar tertiary amino group conjugated via a hydrophobic aromatic residue to a weakly basic group which can be part of the aromatic residue; and a stabilizer containing a mercapto (-SH) and an acid group.