The present invention provides a method for producing silver nanoparticles by employing ethanolamine. Further, disclosed are novel structures, which are obtained by the inventive methods. The modem establishes a network connection to a wireless communication network. The data structure, which may include or be concatenated to the IR data, may be used for depth-related data, e. A method embodiment according to the present invention produces a light source channel by installing a light engine within a channel of an extrusion and covering the channel length with a light transfer medium above the light engine.