| abstract |
The present invention provides a multilayer composite precursor (2) comprising: i. a substrate (4), wherein the substrate (4) comprises: 1. a light-emitting organic compound; 2. a first surface (8); and 3. a second surface (10), wherein the second surface (10) is covered by a transparent conductive layer (12), ii. a liquid phase (18) covering at least a portion of the first surface (8), which comprises a metal organic a compound, wherein the metal organic compound comprises an organic moiety, wherein the organic moiety comprises a C=O group; and wherein the liquid phase (18) additionally comprises a first ruthenium compound, wherein the first ruthenium compound comprises at least one carbon atom And at least one nitrogen atom. |