They could, when the technology catches up, also double as dye-sensitive solar panels.
From the sfgate.com
Dye and Thome had RBI singles and Carlos Quentin added a run-scoring double to center field over Hunter's head.
From the buffalonews.com
However, a double-checked trace of bromine, indicating the presence of whelk-dye, has been found on one page of an Anglo-Saxon book known as the Barberini Gospels.
From the en.wikipedia.org
In 1962 sanitation workers realized that the green vegetable dye they used to check for illegally dumped sewage could double as a St. Patrick's Day decoration.
From the time.com
This was focussed into a crystal to double it to 532 nm, and then into another crystal to generate the third harmonic in the UV, which then pumped a dye laser to make tunable light at 514 nm.