METHOD FOR PRODUCTION OF AN ORGANIC LIGHT EMITTING DIODE OR OF AN ORGANIC SOLAR CELL AND ORGANIC LIGHT EMITTING DIODES OR SOLAR CELLS PRODUCED THEREWITH

摘要

The present invention relates to an electronic device. Examples of such electronic devices are an optical detector, a laser diode, a field-quenching device, an optical amplifier, an organic solar cell or an organic light emitting diode. The electronic device comprises a cathode and an anode. One of the two electrodes is completely or partly transmissive to light. Between the two electrodes there is one or a plurality of organic, semi-conducting layers and an additional organic buffer layer. The buffer layer can likewise be an organic, semi-conducting layer. For application of the buffer layer in porous form, a solution is sprayed on. The solution comprises preferably a polar solvent and/or an electrically conductive additive. In addition, the solution comprises a nonpolar solvent and an organic material which is dissolved by the nonpolar solvent. In one embodiment the sprayed on solution is atomized by an electric field. If an organic material is used which readily dissolves in the polar solvent, then the nonpolar solvent can be omitted. It is important here that the material used to create the buffer layer can be efficiently atomized.