NOVELTY - Solar battery laminated with organic film comprises e.g. a substrate, a transparent anode layer, an anode buffering layer, a first organic photoelectric converting layer, a connecting layer, a second organic photoelectric converting layer, a cathode buttering layer and a cathode layer, where the connecting layer is a layer composed of a reflection increasing film and a hollow transmission layer or a layer composed of a reflection increasing film, a metal layer and a hollow transmission layer. The reflection increasing film is made of transparent material with high reflection ratio.    USE - Used as a solar battery laminated with organic film.    ADVANTAGE - The solar battery: has high energy conversion efficiency and good stability; and utilizes the reflection increasing film, which improves the reflection ratio of the connecting layer according to specified wavelength range; and has good electron transmission characteristic to ensure stable compounding between the electrons and the hollow transmission layer on the connecting layer.    DETAILED DESCRIPTION - Solar battery laminated with organic film comprises a substrate, a transparent anode layer, an anode buffering layer, a first organic photoelectric converting layer, a connecting layer, a second organic photoelectric converting layer, a cathode buttering layer and a cathode layer, where the connecting layer is a connecting layer composed of a reflection increasing film and a hollow transmission layer or a connecting layer composed of a reflection increasing film, a metal layer and a hollow transmission layer. The reflection increasing film is made of transparent material having high reflection ratio, and it has good electron transmission characteristic. An INDEPENDENT CLAIM is also included for preparation of the solar battery laminated with organic film, comprising (i) performing ultrasonic washing to the substrate by ethanol solution, acetone solution and deionized water, and drying it by high-pressure nitrogen, (ii) preparing the transparent anode layer, the cathode buffering layer, the first organic photoelectric conversion layer, the reflection increasing film, the metal layer, the hollow transmission layer, the second organic photoelectric conversion layer, the cathode buffering layer and the cathode layer by using vacuum steam-plating, ion beam deposition, ion plating, direct-current sputtering film plating, radio frequency sputtering film plating, ion beam sputtering film plating, ion beam auxiliary deposition, plasma reinforced chemical gas phase deposition, high-density inductively coupled plasma chemical vapor deposition, catalytic chemical vapor deposition, magnetic controlled sputtering, electroplating, spiral coating, immerse coating, ink spraying printing, roller coating and/or Langmuir-Blodgett (LB) film, then placing the above materials and the substrate into the vacuum film plating chamber, and (iii) detecting current density and voltage characteristic of the element. The material of the reflection increasing film is high-reflection transparent material having good electronic transmission characteristic. The reflection increasing film is metal oxide, metal sulfate or nitrate. The metal oxide is calcium oxide, tantalum pentoxide, titanium dioxide, zirconium oxide, copper oxide, zinc oxide, aluminum oxide, chromium oxide, tin oxide, vanadium oxide, nickel oxide, antimony oxide, lead oxide or silver oxide. The metal sulfate is titanium sulfate, iron sulfate, chromium sulfate, copper sulfate, zinc sulfate, tin sulfate, nickel sulfate, vanadium sulfate, cobalt sulfate, tin sulfate, lead sulfate, silver sulfate, lanthanum sulfate, cerium sulfate, molybdenum sulfate, tungsten sulfate or zirconium sulfate. The nitrate is silicon nitrate or aluminum nitrate. The thickness of the reflection increasing film is 5-40 nm.    DESCRIPTION OF DRAWING(S) - The diagram shows a schematic representation of the solar battery laminated with organic film.