TECHNOLOGY FOCUS - ELECTRICAL POWER AND ENERGY - Preferred Components: The photovoltaic cell has hole blocking layer between the first electrode and the photoactive layer, third layer between the second layer and the grid, and substrate. The two electrodes are supported by the substrate. The material comprises one layer that includes the first polymer and the additive in the first polymer. The material comprises first and second layers. The first layer comprises the first polymer. The second layer comprises the additive. The second layer is between the first layer and the grid.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The additive comprises metals, alloys, metal oxides, and/or carbon allotropes. The hole blocking layer comprises lithium fluoride, metal oxides, and/or amines. The grid comprises a metal or an alloy.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The first polymer comprises polythiophenes, polyfluorenes, polyphenylene vinylenes, polyanilines, polyacetylenes, polyvinylcarbazoles, polyphenylenes, polysilanes, polythienylenevinylenes, polyisothianaphthanenes, or their copolymers. The first polymer comprises a polythiophene. The additive comprises a coating having a conductivity of greater than or equal to 100 Siemens per centimeter. The material comprises first polymer ( greater than or equal to 10, preferably 80-30 wt.%). The article includes a dopant for the first polymer. The dopant comprises poly(styrene-sulfonates), polystyrene sulfonic acids, or sulfonated tetrafluorethylenes. The electron donor material comprises a polymer. The polymer is polythiophenes, polyanilines, polyvinylcarbazoles, polyphenylenes, polyphenylvinylenes, polysilanes, polythienylenevinylenes, polyisothianaphthanenes, poly(sila)cyclopentadithiophenes, polycyclopentadithiazoles, polythiazolothiazoles, polythiazoles, polybenzothiadiazoles, poly(thiophene oxide)s, poly(cyclopentadithiophene oxide), polythiadiazoloquinoxaline, polybenzoisothiazole, polybenzothiazole, polythienothiophene, poly(thienothiophene oxide), polydithienothiophene, poly (dithienothiophene oxide), polytetrahydroisoindoles, or their copolymers. The electron donor material preferably comprises polythiophenes, polycyclopentadithiophenes, or their copolymers. The electron donor material comprises poly(3-hexylthiophene) or poly(cyclopentadithiophene-co-benzothiadiazole). The electron acceptor material comprises fullerenes, inorganic nanoparticles, oxadiazoles, discotic liquid crystals, carbon nanorods, inorganic nanorods, polymers containing cyano groups, and/or polymers containing trifluoromethane groups. The electron acceptor material comprises a substituted fullerene preferably (6,6)phenyl C61-butyric acid methyl ester (C61-PCBM) and (6,6)-phenyl C71-butyric acid methyl ester (C71-PCBM). The third layer comprises second polymer, preferably an acrylic polymer. Preferred Properties: The material has a sheet resistance of greater than or equal to 0.1-500 Omega /square. The additive is tubes, rods, or needles. The additive has an average length to width aspect ratio of greater than or equal to 5, preferably greater than or equal to 100, and conductivity of greater than or equal to 102, preferably greater than or equal to 106 Siemens per centimeter. The material has a light transmittance of greater than or equal to 75, preferably greater than or equal to 95% during use of the article. The first electrode, when measured in combination with the hole blocking layer, has a surface resistance of less than or equal to 50 Omega /square.