TECHNOLOGY FOCUS - CERAMICS AND GLASS - Preferred Material: The composition is printed on a substrate selected from semiconductor substrate, paper, metal, metal-laminated paper, glass, quartz, textiles and polymers, metal laminated polymers or metal-laminated textiles.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The printed composition further contains inorganic semiconductive material selected from selenium, selenium-tellurium, silicon, zinc oxide, titanium oxide, zinc sulfide, cadmium sulfide, binary telluride, binary nitride, and ternary or higher oxide, sulfide, telluride, nitride e.g. transition metal doped zinc oxide or zinc sulfide and copper indium selenide. The printed composition is in the form of film, layer or coating having thickness of 0.1-1000 mu m, preferably 1-10 mu m.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Compound: The charge transport organic or metalo-organic conjugated heteroaromatic compound is phthalocyanine compound having structure of formula (I), or its derivative.M=non-metal, metal, metal oxide e.g. oxo titanium or oxo vanadium or metal halide, preferably iron, magnesium, nickel, cobalt, copper, palladium, zinc, vanadium, titanium, indium or tin, preferably zinc.The derivative of phthalocyanine has functional group chosen from halogen, hydroxyl, amino, 1-12C alkyl, 1-12C alkylamino, COOH, 5-24C aryl, thiol, 1-12C alkoxy, quaternary ammonium, sulfate, sulfonate, sulfamido and/or nitro group substituted in the phthalocyanine ring. The phthalocyanine compound is contained in an amount of 8 wt.% or more, preferably 30-50 wt.% based on the total weight of the composition. The composition contains solvent selected from benzene, toluene, diethyl ether, tetrahydrofuran, diphenyl ether, anisole, dimethoxybenzene, methylene chloride, chloroform, chlorobenzene, acetone, methyl ethyl ketone, methyl isobutyl ketone, methanol, ethanol, propanol, isopropanol, n-butyl alcohol, tert-butyl alcohol, acetonitrile, propionitrile, benzonitrile, ethyl acetate, butyl acetate, ethylene carbonate and propylene carbonate. The solvent is contained in an amount of up to 80 wt.%, preferably 5-40 wt.% based on total weight of the composition. The composition contains up to 80 wt.%, 20-50 wt.% of water. Preferred Process: The printing is applied using flexography, gravure, screen inkjet printing, offset and/or lithographic printing.    TECHNOLOGY FOCUS - POLYMERS - Preferred Composition: The printed polymer binder is obtained from polymer binder selected from cellulosic binder, polyacetal, polyamide, polyimide, polyester, polycarbonate, polyamide-imide, polyamide-ester, polyamide ether, polycarbonate-ester, polyamide-ether, polyacrylate, polyacrylic, elastomer such as polybutadiene, copolymer of butadiene with one or more other monomers, polyalkylmethacrylate, polyethylene, polypropylene, polystyrene, polyvinylacetate and polyvinylalcohol, optionally functionalized with hydrophilic group selected from carboxyl, hydroxyl, sulfonate and/or quaternary ammonium. The polymer binder is preferably polyacrylic, polyurethane, polystyrene/polyacrylic, polyurethane/polyacrylic or polyamide polymer. The binder is contained in an amount of 2 wt.% or more, preferably 15-40 wt.% based on the total weight of the composition.