Combining fluorescence and optics gives solace a unique aesthetic, drawing the eye away from the solar cell and into the narrative of light. For the user, the object works within the rituals that already exist in the home environment, and fits with interior design languages, making it possible to bring renewable energy directly and seamlessly into daily life.
Early testing of luminescent materials revealed that only some colours concentrate the light and increase the power output of solar cells along the edge. Lava orange was found to be most effective, partly because this more closely matches the solar cell absorption spectrum.