TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Compounds: The gold complexes are selected from formula 1-4. Preferred Composition: An active contains not less than 10% light absorption material comprising gold complex of structure I. Preferred Components: The device structure comprises an indium tin oxide (ITO) layer, a molybdenum oxide (MoOx) layer, an active layer comprising the light absorption material of structure I, and C70/Bathophenanthroline (BPhen)/aluminum (Al). It is ITO/poly(3,4-ethylenedioxythiophene) (PEDOT): polystyrene sulfonate (PPS)/active layer containing material comprising gold complex of structure I/calcium (Ca)/Al. Preferred Definitions:    R1-R15=independently hydrogen, hydroxyl, an unsubstituted alkyl containing from 1 to 10 carbon atoms, a substituted alkyl containing 1-20 carbon atoms, cycloalkyl containing 4-20 carbon atoms, an unsubstituted aryl containing from 6 to 20 carbon atoms, a substituted aryl containing from 6 to 20 carbon atoms, acyl containing 1-20 carbon atoms, alkoxy containing 1-20 carbon atoms, acyloxy containing 1-20 carbon atoms, amino, nitro, acylamino containing 1-20 carbon atoms, aralkyl containing 1-20 carbon atoms, cyano, carboxyl containing 1-20 carbon atoms, thio, styryl, aminocarbonyl containing 1-20 carbon atoms, carbamoyl containing 1-20 carbon atoms, aryloxycarbonyl containing 1-20 carbon atoms, phenoxycarbonyl containing 1-20 carbon atoms, or an alkoxycarbonyl group containing 1-20 carbon atoms; or each independently hydrogen, hydroxyl, an unsubstituted alkyl containing 1-6 carbon atoms, a substituted alkyl containing 1-6 carbon atoms, cycloalkyl containing 6-12 carbon atoms, an unsubstituted aryl containing 6-12 carbon atoms, a substituted aryl containing 6-12 carbon atoms, acyl containing 1-12 carbon atoms, alkoxy containing 1-6 carbon atoms, acyloxy containing 1-12 carbon atoms, amino, nitro, acylamino containing 1-6 carbon atoms, aralkyl containing 1-12 carbon atoms, cyano, carboxyl containing 1-12 carbon atoms, thio, styryl, aminocarbonyl containing 1-12 carbon atoms, carbamoyl containing from 1to 12 carbon atoms, aryloxycarbonyl containing 1-12 carbon atoms, phenoxycarbonyl containing 1-12 carbon atoms, or an alkoxycarbonyl group containing 1-12 carbon atoms, where at least one of R-1?R15 is fluorine, chlorine bromine, or iodine, where the total number of carbon atoms provided by the R1?R15 groups is 0, or 1-40, or 2-20; or R1?R15 groups are all either hydrogen or halogen, or either hydrogen or alkyl groups.    EXAMPLE - No suitable example given.