TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The conductive material is indium tin oxide, fluorine-doped tin oxide, zinc oxide-gallium(III)oxide, zinc oxide-aluminum(III)oxide, tin oxide-antimony(III)oxide. The metal oxide layer is formed of a metal oxide, which is titanium, niobium, hafnium, indium, tin or zinc oxides.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preparation (Disclosed): Preparation of (I) comprises: reacting p-cymene substituted ruthenium complex of formula (A) with phenanthroline compound of formula (B) and dimethyl formamide at 100 degrees C for 4 hours to give phenanthroline substituted ruthenium complex of formula (C); reacting (C) with bipyridine compound of formula (D) and dimethyl formamide at 160 degrees C for 4 hours to give bipyridine substituted ruthenium complex of formula (E); and reacting (E) with ammonium isothiocyanate and dimethyl formamide at 140 degrees C for 4 hours to give thiocyanate substituted ruthenium complex of formula (F) (representative of (I)).    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The transparent electrode is a transparent substrate coated with an electrically conductive material. The transparent substrate is transparent inorganic substrates, such as quartz and glass; transparent plastic substrates, such as polyethylene terephthalate, polyethylene naphthalate, polycarbonate, polystyrene, polypropylene, polymethylmethacrylate and the like; and a combination comprising at least one of the preceding transparent substrates. Preferred Definitions:    B1 = cyclopropene, cyclobutadiene, cyclopentadiene, cycloheptatriene, cyclooctatetraene, benzene, biphenyl, naphthalene, azulene, pyrene, benzopyrene, dibenzopyrene, phenanthroline, pyrrole, pyridine, pyrimidine, purine, furan, thiophene, thymine, pyridone, pyrane, anthracene, phenanthrene, quinoline, indole, benzothiophene, oxadiazole, imidazole, triazole or vinylenephenylene (all optionally substituted with at least one substituent, which is a carboxyl group and its salts, a phosphate group and its salts or 1-30C alkoxy groups).    SPECIFIC COMPOUNDS - 6 Compounds (I) are specifically claimed e.g. ruthenium complex of formula (Ia-Ie).    EXAMPLE - Cymene substituted ruthenium complex (A1) was reacted with 4, 7-diphenyl-1, 10-phenanthroline and dimethyl formamide at 100 degrees C for 4 hours to give phenanthroline substituted ruthenium complex of formula (C1); reacting (C1) with 4,4'-dicarboxy-2,2'-bipyridine and dimethyl formamide at 160 degrees C for 4 hours to give bipyridine substituted ruthenium complex of formula (E1); and reacting (E1) with ammonium isothiocyanate and dimethyl formamide at 140 degrees C for 4 hours to give (Ia).