| abstract |
The present invention relates to a solid or quasisolid state hole transport material (HTM) comprising the complex of formula I:n nwherein M is selected from copper (Cu), palladium (Pd), gold (Au), silver (Ag), nickel (Ni), vanadium (V) and cobalt (Co); and each structuren nrepresents an at least 6,6' disubstituted 2,2'-bipyridine, or an at least 2,9 disubstituted 1,10-phenanthroline, and to electronic devices, such as solar cells comprising the solid or quasisolid state HTM. |