NOVELTY - The method involves synthesizing nano-wires containing silver in solution containing structure-directing agent. A sheet of nano-wires is formed from synthesizing nano-wires and heated at temperature about 25-100 degrees C and for time period of 1-10 minutes, to remove the structure-directing agent and to produce a sheet conductivity level that is less than about 25 ohms per square and sheet transmittance of 80% for all wavelengths between about 400 nm and 800 nm. The silver nano-wires are set with average length of about 5-20 mu m and average diameter of less than about 100 nm.    USE - Method for generating nanowire mesh for flexible substrate of organic photovoltaic-cell and organic LED for TV, cellular phone, and hand-held device.    ADVANTAGE - The conductivity and the optical transmittance of the metal nanowire-mesh can be increased while increasing the sheet resistance. The interconnections between the nanowires can be maintained while removing the sufficient amount of structure-directing agent material.    DETAILED DESCRIPTION - The method involves immersing the sheet of nanowires in solution of gold salt to effect a replacement of some of the silver in the nanowire with gold. The processing parameters for immersing are controlled to form thin case of gold on the sheet of nanowires. An organic photovoltaic cell is arranged on the sheet of nanowires. The pressure of about 1.4( plus minus 0.6)x 10e4 pounds per square inch for about 30 seconds is applied to heated and deposited silver nanowires, to reduce surface roughness of the sheet of nanowires. The resistance of the sheet of nanowires is greater than 1 k?/sq prior to heating and approximately 100 ?/sq after the step of heating. The silver nanowire mesh is included the poly-ethylenedioxythiophene poly-styrenesulfonate layer. The bilayer solar cell is located on the silver nanowire mesh. The bilayer solar cell is included the layer structure of copper phthalocyanine, perylenetetracarboxylix bisbenzimidazole and bathocuproine. An INDEPENDENT CLAIM is included for a device for generating nanowire mesh.    DESCRIPTION OF DRAWING(S) - The drawing shows a sectional view of the organic photovoltaic-cell.    Light source (100)    Substrate (101)    Contact (102)    Donor layer (104)    Acceptor layer (106)