Photoluminescence

Photoluminescence turns absorbed daylight into a glow that emerges after dark. In Sassi di Luce, photoluminescent pebbles are embedded in the surface of the pavers: the paving retains its daytime character and reveals a new atmosphere after sunset.

Photoluminescence: understanding light within materials

Explore the science, charging and factors that influence how the effect appears. We start with common questions: how long does the glow last? What changes in winter? How do fluorescence and phosphorescence differ? Each article connects the physical principle with practical outdoor design choices.

Perceived brightness depends on absorbed light, elapsed time and contrast with the surroundings. There is no single duration that applies to every setting. A shaded path and a sunlit surface need different assessments. Nearby lights can also make the glow less noticeable.

Bring photoluminescence into your project

Before choosing paving, observe the site at different times of day. Consider trees, covered areas and evening lighting, then view a sample in conditions similar to its intended setting. This helps you picture the effect and ask useful questions.

Photoluminescence adds a visual accent to the surface layout. Your design must still provide the lighting needed to use the space safely. Signaling functions or certified performance require specific supporting documentation.

Start with our guide to photoluminescence, explore the Sassi di Luce settings and browse the articles below. For scientific terminology, consult the IUPAC Gold Book. If you already have a space in mind, tell us about your project: photographs, location and approximate area give us a starting point.